diff --git a/atrace/1.0/Android.bp b/atrace/1.0/Android.bp
index f7c9078333..4d73cfd749 100644
--- a/atrace/1.0/Android.bp
+++ b/atrace/1.0/Android.bp
@@ -13,10 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Status",
-        "TracingCategory",
-    ],
     gen_java: true,
 }
 
diff --git a/audio/2.0/Android.bp b/audio/2.0/Android.bp
index d6e481fda4..3495b1a6d9 100644
--- a/audio/2.0/Android.bp
+++ b/audio/2.0/Android.bp
@@ -21,16 +21,6 @@ hidl_interface {
         "android.hardware.audio.effect@2.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AudioDrain",
-        "DeviceAddress",
-        "MessageQueueFlagBits",
-        "MmapBufferInfo",
-        "MmapPosition",
-        "ParameterValue",
-        "Result",
-        "TimeSpec",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/4.0/Android.bp b/audio/4.0/Android.bp
index 6e217d9572..b97fe01dad 100644
--- a/audio/4.0/Android.bp
+++ b/audio/4.0/Android.bp
@@ -21,27 +21,6 @@ hidl_interface {
         "android.hardware.audio.effect@4.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AudioDrain",
-        "AudioFrequencyResponsePoint",
-        "AudioMicrophoneChannelMapping",
-        "AudioMicrophoneCoordinate",
-        "AudioMicrophoneDirectionality",
-        "AudioMicrophoneLocation",
-        "DeviceAddress",
-        "MessageQueueFlagBits",
-        "MicrophoneInfo",
-        "MmapBufferFlag",
-        "MmapBufferInfo",
-        "MmapPosition",
-        "ParameterValue",
-        "PlaybackTrackMetadata",
-        "RecordTrackMetadata",
-        "Result",
-        "SinkMetadata",
-        "SourceMetadata",
-        "TimeSpec",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/5.0/Android.bp b/audio/5.0/Android.bp
index 7c2db1d8a9..f6ac2eb705 100644
--- a/audio/5.0/Android.bp
+++ b/audio/5.0/Android.bp
@@ -22,23 +22,6 @@ hidl_interface {
         "android.hidl.base@1.0",
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "AudioDrain",
-        "AudioFrequencyResponsePoint",
-        "AudioMicrophoneChannelMapping",
-        "AudioMicrophoneCoordinate",
-        "AudioMicrophoneDirectionality",
-        "AudioMicrophoneLocation",
-        "MessageQueueFlagBits",
-        "MicrophoneDirection",
-        "MicrophoneInfo",
-        "MmapBufferFlag",
-        "MmapBufferInfo",
-        "MmapPosition",
-        "ParameterValue",
-        "Result",
-        "TimeSpec",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/common/2.0/Android.bp b/audio/common/2.0/Android.bp
index 878b5946e8..a64548f208 100644
--- a/audio/common/2.0/Android.bp
+++ b/audio/common/2.0/Android.bp
@@ -9,39 +9,6 @@ hidl_interface {
     srcs: [
         "types.hal",
     ],
-    types: [
-        "AudioChannelMask",
-        "AudioConfig",
-        "AudioDevice",
-        "AudioFormat",
-        "AudioGain",
-        "AudioGainConfig",
-        "AudioGainMode",
-        "AudioHandleConsts",
-        "AudioInputFlag",
-        "AudioInterleave",
-        "AudioMixLatencyClass",
-        "AudioMode",
-        "AudioOffloadInfo",
-        "AudioOutputFlag",
-        "AudioPort",
-        "AudioPortConfig",
-        "AudioPortConfigDeviceExt",
-        "AudioPortConfigMask",
-        "AudioPortConfigSessionExt",
-        "AudioPortDeviceExt",
-        "AudioPortMixExt",
-        "AudioPortRole",
-        "AudioPortSessionExt",
-        "AudioPortType",
-        "AudioSessionConsts",
-        "AudioSource",
-        "AudioStreamType",
-        "AudioUsage",
-        "FixedChannelCount",
-        "ThreadInfo",
-        "Uuid",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/common/4.0/Android.bp b/audio/common/4.0/Android.bp
index 9b737dcf55..cd504e5392 100644
--- a/audio/common/4.0/Android.bp
+++ b/audio/common/4.0/Android.bp
@@ -9,39 +9,6 @@ hidl_interface {
     srcs: [
         "types.hal",
     ],
-    types: [
-        "AudioChannelMask",
-        "AudioConfig",
-        "AudioContentType",
-        "AudioDevice",
-        "AudioFormat",
-        "AudioGain",
-        "AudioGainConfig",
-        "AudioGainMode",
-        "AudioHandleConsts",
-        "AudioInputFlag",
-        "AudioMixLatencyClass",
-        "AudioMode",
-        "AudioOffloadInfo",
-        "AudioOutputFlag",
-        "AudioPort",
-        "AudioPortConfig",
-        "AudioPortConfigDeviceExt",
-        "AudioPortConfigMask",
-        "AudioPortConfigSessionExt",
-        "AudioPortDeviceExt",
-        "AudioPortMixExt",
-        "AudioPortRole",
-        "AudioPortSessionExt",
-        "AudioPortType",
-        "AudioSessionConsts",
-        "AudioSource",
-        "AudioStreamType",
-        "AudioUsage",
-        "FixedChannelCount",
-        "ThreadInfo",
-        "Uuid",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/common/5.0/Android.bp b/audio/common/5.0/Android.bp
index 86d935475f..66c6fe84ac 100644
--- a/audio/common/5.0/Android.bp
+++ b/audio/common/5.0/Android.bp
@@ -12,44 +12,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "AudioChannelMask",
-        "AudioConfig",
-        "AudioContentType",
-        "AudioDevice",
-        "AudioFormat",
-        "AudioGain",
-        "AudioGainConfig",
-        "AudioGainMode",
-        "AudioHandleConsts",
-        "AudioInputFlag",
-        "AudioMixLatencyClass",
-        "AudioMode",
-        "AudioOffloadInfo",
-        "AudioOutputFlag",
-        "AudioPort",
-        "AudioPortConfig",
-        "AudioPortConfigDeviceExt",
-        "AudioPortConfigMask",
-        "AudioPortConfigSessionExt",
-        "AudioPortDeviceExt",
-        "AudioPortMixExt",
-        "AudioPortRole",
-        "AudioPortSessionExt",
-        "AudioPortType",
-        "AudioSessionConsts",
-        "AudioSource",
-        "AudioStreamType",
-        "AudioUsage",
-        "DeviceAddress",
-        "FixedChannelCount",
-        "PlaybackTrackMetadata",
-        "RecordTrackMetadata",
-        "SinkMetadata",
-        "SourceMetadata",
-        "ThreadInfo",
-        "Uuid",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/effect/2.0/Android.bp b/audio/effect/2.0/Android.bp
index c4f8b06949..2dd1a0c8bd 100644
--- a/audio/effect/2.0/Android.bp
+++ b/audio/effect/2.0/Android.bp
@@ -27,20 +27,6 @@ hidl_interface {
         "android.hardware.audio.common@2.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AudioBuffer",
-        "EffectAuxChannelsConfig",
-        "EffectBufferAccess",
-        "EffectBufferConfig",
-        "EffectConfig",
-        "EffectConfigParameters",
-        "EffectDescriptor",
-        "EffectFeature",
-        "EffectFlags",
-        "EffectOffloadParameter",
-        "MessageQueueFlagBits",
-        "Result",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/effect/4.0/Android.bp b/audio/effect/4.0/Android.bp
index e7676a91da..2c32bcba79 100644
--- a/audio/effect/4.0/Android.bp
+++ b/audio/effect/4.0/Android.bp
@@ -27,20 +27,6 @@ hidl_interface {
         "android.hardware.audio.common@4.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AudioBuffer",
-        "EffectAuxChannelsConfig",
-        "EffectBufferAccess",
-        "EffectBufferConfig",
-        "EffectConfig",
-        "EffectConfigParameters",
-        "EffectDescriptor",
-        "EffectFeature",
-        "EffectFlags",
-        "EffectOffloadParameter",
-        "MessageQueueFlagBits",
-        "Result",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/audio/effect/5.0/Android.bp b/audio/effect/5.0/Android.bp
index 78b950ea86..32fe652dbc 100644
--- a/audio/effect/5.0/Android.bp
+++ b/audio/effect/5.0/Android.bp
@@ -28,20 +28,6 @@ hidl_interface {
         "android.hidl.base@1.0",
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "AudioBuffer",
-        "EffectAuxChannelsConfig",
-        "EffectBufferAccess",
-        "EffectBufferConfig",
-        "EffectConfig",
-        "EffectConfigParameters",
-        "EffectDescriptor",
-        "EffectFeature",
-        "EffectFlags",
-        "EffectOffloadParameter",
-        "MessageQueueFlagBits",
-        "Result",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/automotive/audiocontrol/1.0/Android.bp b/automotive/audiocontrol/1.0/Android.bp
index 9335a6c462..7c51cf7291 100644
--- a/automotive/audiocontrol/1.0/Android.bp
+++ b/automotive/audiocontrol/1.0/Android.bp
@@ -13,9 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ContextNumber",
-    ],
     gen_java: true,
 }
 
diff --git a/automotive/evs/1.0/Android.bp b/automotive/evs/1.0/Android.bp
index f620eb5cff..3ac67ea99c 100644
--- a/automotive/evs/1.0/Android.bp
+++ b/automotive/evs/1.0/Android.bp
@@ -16,13 +16,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BufferDesc",
-        "CameraDesc",
-        "DisplayDesc",
-        "DisplayState",
-        "EvsResult",
-    ],
     gen_java: true,
 }
 
diff --git a/biometrics/fingerprint/2.1/Android.bp b/biometrics/fingerprint/2.1/Android.bp
index dbcce928e1..cff43c4cb4 100644
--- a/biometrics/fingerprint/2.1/Android.bp
+++ b/biometrics/fingerprint/2.1/Android.bp
@@ -14,17 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "FingerprintAcquired",
-        "FingerprintAcquiredInfo",
-        "FingerprintAuthenticated",
-        "FingerprintEnroll",
-        "FingerprintError",
-        "FingerprintFingerId",
-        "FingerprintIterator",
-        "FingerprintMsgType",
-        "RequestStatus",
-    ],
     gen_java: true,
 }
 
diff --git a/bluetooth/1.0/Android.bp b/bluetooth/1.0/Android.bp
index 49df8a324a..67f1a4f828 100644
--- a/bluetooth/1.0/Android.bp
+++ b/bluetooth/1.0/Android.bp
@@ -14,9 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Status",
-    ],
     gen_java: true,
 }
 
diff --git a/bluetooth/a2dp/1.0/Android.bp b/bluetooth/a2dp/1.0/Android.bp
index 5e852901ae..fa46a1cb33 100644
--- a/bluetooth/a2dp/1.0/Android.bp
+++ b/bluetooth/a2dp/1.0/Android.bp
@@ -14,14 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BitsPerSample",
-        "ChannelMode",
-        "CodecConfiguration",
-        "CodecType",
-        "SampleRate",
-        "Status",
-    ],
     gen_java: false,
 }
 
diff --git a/bluetooth/audio/2.0/Android.bp b/bluetooth/audio/2.0/Android.bp
index e72b6ab9fd..a020f228bf 100644
--- a/bluetooth/audio/2.0/Android.bp
+++ b/bluetooth/audio/2.0/Android.bp
@@ -17,32 +17,6 @@ hidl_interface {
         "android.hidl.base@1.0",
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "AacObjectType",
-        "AacParameters",
-        "AacVariableBitRate",
-        "AptxParameters",
-        "AudioCapabilities",
-        "AudioConfiguration",
-        "BitsPerSample",
-        "ChannelMode",
-        "CodecCapabilities",
-        "CodecConfiguration",
-        "CodecType",
-        "LdacChannelMode",
-        "LdacParameters",
-        "LdacQualityIndex",
-        "PcmParameters",
-        "SampleRate",
-        "SbcAllocMethod",
-        "SbcBlockLength",
-        "SbcChannelMode",
-        "SbcNumSubbands",
-        "SbcParameters",
-        "SessionType",
-        "Status",
-        "TimeSpec",
-    ],
     gen_java: false,
 }
 
diff --git a/boot/1.0/Android.bp b/boot/1.0/Android.bp
index 85c3b613e7..b580cacb3d 100644
--- a/boot/1.0/Android.bp
+++ b/boot/1.0/Android.bp
@@ -13,10 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BoolResult",
-        "CommandResult",
-    ],
     gen_java: true,
 }
 
diff --git a/broadcastradio/1.0/Android.bp b/broadcastradio/1.0/Android.bp
index ecfecc40a5..76e580e88c 100644
--- a/broadcastradio/1.0/Android.bp
+++ b/broadcastradio/1.0/Android.bp
@@ -16,23 +16,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AmBandConfig",
-        "Band",
-        "BandConfig",
-        "Class",
-        "Deemphasis",
-        "Direction",
-        "FmBandConfig",
-        "MetaData",
-        "MetaDataClock",
-        "MetadataKey",
-        "MetadataType",
-        "ProgramInfo",
-        "Properties",
-        "Rds",
-        "Result",
-    ],
     gen_java: false,
 }
 
diff --git a/broadcastradio/1.1/Android.bp b/broadcastradio/1.1/Android.bp
index 1d59105e1d..2186b9a5cd 100644
--- a/broadcastradio/1.1/Android.bp
+++ b/broadcastradio/1.1/Android.bp
@@ -17,18 +17,6 @@ hidl_interface {
         "android.hardware.broadcastradio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "IdentifierType",
-        "Modulation",
-        "ProgramIdentifier",
-        "ProgramInfo",
-        "ProgramInfoFlags",
-        "ProgramListResult",
-        "ProgramSelector",
-        "ProgramType",
-        "Properties",
-        "VendorKeyValue",
-    ],
     gen_java: false,
 }
 
diff --git a/broadcastradio/2.0/Android.bp b/broadcastradio/2.0/Android.bp
index 2434fdc859..93afc028e4 100644
--- a/broadcastradio/2.0/Android.bp
+++ b/broadcastradio/2.0/Android.bp
@@ -17,29 +17,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AmFmBandRange",
-        "AmFmRegionConfig",
-        "Announcement",
-        "AnnouncementType",
-        "ConfigFlag",
-        "Constants",
-        "DabTableEntry",
-        "Deemphasis",
-        "IdentifierType",
-        "Metadata",
-        "MetadataKey",
-        "ProgramFilter",
-        "ProgramIdentifier",
-        "ProgramInfo",
-        "ProgramInfoFlags",
-        "ProgramListChunk",
-        "ProgramSelector",
-        "Properties",
-        "Rds",
-        "Result",
-        "VendorKeyValue",
-    ],
     gen_java: true,
 }
 
diff --git a/camera/common/1.0/Android.bp b/camera/common/1.0/Android.bp
index c42e0541ab..fe29774c52 100644
--- a/camera/common/1.0/Android.bp
+++ b/camera/common/1.0/Android.bp
@@ -9,17 +9,6 @@ hidl_interface {
     srcs: [
         "types.hal",
     ],
-    types: [
-        "CameraDeviceStatus",
-        "CameraMetadataType",
-        "CameraResourceCost",
-        "Status",
-        "TagBoundaryId",
-        "TorchMode",
-        "TorchModeStatus",
-        "VendorTag",
-        "VendorTagSection",
-    ],
     gen_java: true,
 }
 
diff --git a/camera/device/1.0/Android.bp b/camera/device/1.0/Android.bp
index b08f8734fb..a8df1ec1c6 100644
--- a/camera/device/1.0/Android.bp
+++ b/camera/device/1.0/Android.bp
@@ -17,18 +17,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CameraFace",
-        "CameraFacing",
-        "CameraFrameMetadata",
-        "CameraInfo",
-        "CommandType",
-        "DataCallbackMsg",
-        "FrameCallbackFlag",
-        "HandleTimestampMessage",
-        "NotifyCallbackMsg",
-        "VideoFrameMessage",
-    ],
     gen_java: true,
 }
 
diff --git a/camera/device/3.2/Android.bp b/camera/device/3.2/Android.bp
index a8a164e23d..e7546de519 100644
--- a/camera/device/3.2/Android.bp
+++ b/camera/device/3.2/Android.bp
@@ -17,28 +17,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BufferCache",
-        "BufferStatus",
-        "CameraBlob",
-        "CameraBlobId",
-        "CaptureRequest",
-        "CaptureResult",
-        "ErrorCode",
-        "ErrorMsg",
-        "HalStream",
-        "HalStreamConfiguration",
-        "MsgType",
-        "NotifyMsg",
-        "RequestTemplate",
-        "ShutterMsg",
-        "Stream",
-        "StreamBuffer",
-        "StreamConfiguration",
-        "StreamConfigurationMode",
-        "StreamRotation",
-        "StreamType",
-    ],
     gen_java: false,
 }
 
diff --git a/camera/device/3.3/Android.bp b/camera/device/3.3/Android.bp
index f006f79863..e21824f2ed 100644
--- a/camera/device/3.3/Android.bp
+++ b/camera/device/3.3/Android.bp
@@ -16,10 +16,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "HalStream",
-        "HalStreamConfiguration",
-    ],
     gen_java: false,
 }
 
diff --git a/camera/device/3.4/Android.bp b/camera/device/3.4/Android.bp
index 2c649baa2e..6a2eac5bce 100644
--- a/camera/device/3.4/Android.bp
+++ b/camera/device/3.4/Android.bp
@@ -18,16 +18,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CaptureRequest",
-        "CaptureResult",
-        "HalStream",
-        "HalStreamConfiguration",
-        "PhysicalCameraMetadata",
-        "PhysicalCameraSetting",
-        "Stream",
-        "StreamConfiguration",
-    ],
     gen_java: false,
 }
 
diff --git a/camera/metadata/3.2/Android.bp b/camera/metadata/3.2/Android.bp
index bce2c9bdba..3271d91171 100644
--- a/camera/metadata/3.2/Android.bp
+++ b/camera/metadata/3.2/Android.bp
@@ -9,72 +9,6 @@ hidl_interface {
     srcs: [
         "types.hal",
     ],
-    types: [
-        "CameraMetadataEnumAndroidBlackLevelLock",
-        "CameraMetadataEnumAndroidColorCorrectionAberrationMode",
-        "CameraMetadataEnumAndroidColorCorrectionMode",
-        "CameraMetadataEnumAndroidControlAeAntibandingMode",
-        "CameraMetadataEnumAndroidControlAeLock",
-        "CameraMetadataEnumAndroidControlAeLockAvailable",
-        "CameraMetadataEnumAndroidControlAeMode",
-        "CameraMetadataEnumAndroidControlAePrecaptureTrigger",
-        "CameraMetadataEnumAndroidControlAeState",
-        "CameraMetadataEnumAndroidControlAfMode",
-        "CameraMetadataEnumAndroidControlAfState",
-        "CameraMetadataEnumAndroidControlAfTrigger",
-        "CameraMetadataEnumAndroidControlAwbLock",
-        "CameraMetadataEnumAndroidControlAwbLockAvailable",
-        "CameraMetadataEnumAndroidControlAwbMode",
-        "CameraMetadataEnumAndroidControlAwbState",
-        "CameraMetadataEnumAndroidControlCaptureIntent",
-        "CameraMetadataEnumAndroidControlEffectMode",
-        "CameraMetadataEnumAndroidControlEnableZsl",
-        "CameraMetadataEnumAndroidControlMode",
-        "CameraMetadataEnumAndroidControlSceneMode",
-        "CameraMetadataEnumAndroidControlVideoStabilizationMode",
-        "CameraMetadataEnumAndroidDemosaicMode",
-        "CameraMetadataEnumAndroidDepthAvailableDepthStreamConfigurations",
-        "CameraMetadataEnumAndroidDepthDepthIsExclusive",
-        "CameraMetadataEnumAndroidEdgeMode",
-        "CameraMetadataEnumAndroidFlashInfoAvailable",
-        "CameraMetadataEnumAndroidFlashMode",
-        "CameraMetadataEnumAndroidFlashState",
-        "CameraMetadataEnumAndroidHotPixelMode",
-        "CameraMetadataEnumAndroidInfoSupportedHardwareLevel",
-        "CameraMetadataEnumAndroidLedAvailableLeds",
-        "CameraMetadataEnumAndroidLedTransmit",
-        "CameraMetadataEnumAndroidLensFacing",
-        "CameraMetadataEnumAndroidLensInfoFocusDistanceCalibration",
-        "CameraMetadataEnumAndroidLensOpticalStabilizationMode",
-        "CameraMetadataEnumAndroidLensState",
-        "CameraMetadataEnumAndroidNoiseReductionMode",
-        "CameraMetadataEnumAndroidQuirksPartialResult",
-        "CameraMetadataEnumAndroidRequestAvailableCapabilities",
-        "CameraMetadataEnumAndroidRequestMetadataMode",
-        "CameraMetadataEnumAndroidRequestType",
-        "CameraMetadataEnumAndroidScalerAvailableFormats",
-        "CameraMetadataEnumAndroidScalerAvailableStreamConfigurations",
-        "CameraMetadataEnumAndroidScalerCroppingType",
-        "CameraMetadataEnumAndroidSensorInfoColorFilterArrangement",
-        "CameraMetadataEnumAndroidSensorInfoLensShadingApplied",
-        "CameraMetadataEnumAndroidSensorInfoTimestampSource",
-        "CameraMetadataEnumAndroidSensorReferenceIlluminant1",
-        "CameraMetadataEnumAndroidSensorTestPatternMode",
-        "CameraMetadataEnumAndroidShadingMode",
-        "CameraMetadataEnumAndroidStatisticsFaceDetectMode",
-        "CameraMetadataEnumAndroidStatisticsHistogramMode",
-        "CameraMetadataEnumAndroidStatisticsHotPixelMapMode",
-        "CameraMetadataEnumAndroidStatisticsLensShadingMapMode",
-        "CameraMetadataEnumAndroidStatisticsSceneFlicker",
-        "CameraMetadataEnumAndroidStatisticsSharpnessMapMode",
-        "CameraMetadataEnumAndroidSyncFrameNumber",
-        "CameraMetadataEnumAndroidSyncMaxLatency",
-        "CameraMetadataEnumAndroidTonemapMode",
-        "CameraMetadataEnumAndroidTonemapPresetCurve",
-        "CameraMetadataSection",
-        "CameraMetadataSectionStart",
-        "CameraMetadataTag",
-    ],
     gen_java: true,
 }
 
diff --git a/camera/metadata/3.3/Android.bp b/camera/metadata/3.3/Android.bp
index ad6f141cb8..4dddfad95a 100644
--- a/camera/metadata/3.3/Android.bp
+++ b/camera/metadata/3.3/Android.bp
@@ -12,20 +12,6 @@ hidl_interface {
     interfaces: [
         "android.hardware.camera.metadata@3.2",
     ],
-    types: [
-        "CameraMetadataEnumAndroidControlAeMode",
-        "CameraMetadataEnumAndroidControlAfSceneChange",
-        "CameraMetadataEnumAndroidControlCaptureIntent",
-        "CameraMetadataEnumAndroidDistortionCorrectionMode",
-        "CameraMetadataEnumAndroidInfoSupportedHardwareLevel",
-        "CameraMetadataEnumAndroidLensPoseReference",
-        "CameraMetadataEnumAndroidLogicalMultiCameraSensorSyncType",
-        "CameraMetadataEnumAndroidRequestAvailableCapabilities",
-        "CameraMetadataEnumAndroidStatisticsOisDataMode",
-        "CameraMetadataSection",
-        "CameraMetadataSectionStart",
-        "CameraMetadataTag",
-    ],
     gen_java: true,
 }
 
diff --git a/cas/1.0/Android.bp b/cas/1.0/Android.bp
index 39b36bebac..8d8e9462c1 100644
--- a/cas/1.0/Android.bp
+++ b/cas/1.0/Android.bp
@@ -16,10 +16,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "HidlCasPluginDescriptor",
-        "Status",
-    ],
     gen_java: true,
 }
 
diff --git a/cas/native/1.0/Android.bp b/cas/native/1.0/Android.bp
index 75874161d1..880eccdb2a 100644
--- a/cas/native/1.0/Android.bp
+++ b/cas/native/1.0/Android.bp
@@ -14,13 +14,6 @@ hidl_interface {
         "android.hardware.cas@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BufferType",
-        "DestinationBuffer",
-        "ScramblingControl",
-        "SharedBuffer",
-        "SubSample",
-    ],
     gen_java: false,
 }
 
diff --git a/configstore/1.0/Android.bp b/configstore/1.0/Android.bp
index 5e98e5c4e4..a6fd656d60 100644
--- a/configstore/1.0/Android.bp
+++ b/configstore/1.0/Android.bp
@@ -13,14 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "OptionalBool",
-        "OptionalInt32",
-        "OptionalInt64",
-        "OptionalString",
-        "OptionalUInt32",
-        "OptionalUInt64",
-    ],
     gen_java: true,
 }
 
diff --git a/configstore/1.1/Android.bp b/configstore/1.1/Android.bp
index 2b6e6fa378..3900d9b53b 100644
--- a/configstore/1.1/Android.bp
+++ b/configstore/1.1/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
         "android.hardware.configstore@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "DisplayOrientation",
-        "OptionalDisplayOrientation",
-    ],
     gen_java: true,
 }
 
diff --git a/confirmationui/1.0/Android.bp b/confirmationui/1.0/Android.bp
index 21acecba7e..e6b0414ba0 100644
--- a/confirmationui/1.0/Android.bp
+++ b/confirmationui/1.0/Android.bp
@@ -15,13 +15,6 @@ hidl_interface {
         "android.hardware.keymaster@4.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "MessageSize",
-        "ResponseCode",
-        "TestKeyBits",
-        "TestModeCommands",
-        "UIOption",
-    ],
     gen_java: false,
 }
 
diff --git a/contexthub/1.0/Android.bp b/contexthub/1.0/Android.bp
index 77dba66bef..730adcbb0e 100644
--- a/contexthub/1.0/Android.bp
+++ b/contexthub/1.0/Android.bp
@@ -14,22 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AsyncEventType",
-        "ContextHub",
-        "ContextHubMsg",
-        "HostEndPoint",
-        "HubAppInfo",
-        "HubMemoryFlag",
-        "HubMemoryType",
-        "MemRange",
-        "NanoAppBinary",
-        "NanoAppFlags",
-        "PhysicalSensor",
-        "Result",
-        "SensorType",
-        "TransactionResult",
-    ],
     gen_java: true,
 }
 
diff --git a/drm/1.0/Android.bp b/drm/1.0/Android.bp
index aca5ae492e..fea851f542 100644
--- a/drm/1.0/Android.bp
+++ b/drm/1.0/Android.bp
@@ -17,22 +17,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BufferType",
-        "DestinationBuffer",
-        "EventType",
-        "KeyRequestType",
-        "KeyStatus",
-        "KeyStatusType",
-        "KeyType",
-        "KeyValue",
-        "Mode",
-        "Pattern",
-        "SecureStop",
-        "SharedBuffer",
-        "Status",
-        "SubSample",
-    ],
     gen_java: false,
 }
 
diff --git a/drm/1.1/Android.bp b/drm/1.1/Android.bp
index dba3e427ac..739b470780 100644
--- a/drm/1.1/Android.bp
+++ b/drm/1.1/Android.bp
@@ -16,13 +16,6 @@ hidl_interface {
         "android.hardware.drm@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "DrmMetricGroup",
-        "HdcpLevel",
-        "KeyRequestType",
-        "SecureStopRelease",
-        "SecurityLevel",
-    ],
     gen_java: false,
 }
 
diff --git a/fastboot/1.0/Android.bp b/fastboot/1.0/Android.bp
index 467fc6db74..ea3566f4ba 100644
--- a/fastboot/1.0/Android.bp
+++ b/fastboot/1.0/Android.bp
@@ -13,11 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "FileSystemType",
-        "Result",
-        "Status",
-    ],
     gen_java: true,
 }
 
diff --git a/gatekeeper/1.0/Android.bp b/gatekeeper/1.0/Android.bp
index 7dc2133ff6..7eff2e8e5d 100644
--- a/gatekeeper/1.0/Android.bp
+++ b/gatekeeper/1.0/Android.bp
@@ -13,10 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "GatekeeperResponse",
-        "GatekeeperStatusCode",
-    ],
     gen_java: true,
 }
 
diff --git a/gnss/1.0/Android.bp b/gnss/1.0/Android.bp
index dc659a3a2a..2e3e6fdb15 100644
--- a/gnss/1.0/Android.bp
+++ b/gnss/1.0/Android.bp
@@ -32,12 +32,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "GnssConstellationType",
-        "GnssLocation",
-        "GnssLocationFlags",
-        "GnssMax",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/graphics/common/1.0/Android.bp b/graphics/common/1.0/Android.bp
index f88cbdf083..175166d98c 100644
--- a/graphics/common/1.0/Android.bp
+++ b/graphics/common/1.0/Android.bp
@@ -10,15 +10,6 @@ hidl_interface {
     srcs: [
         "types.hal",
     ],
-    types: [
-        "BufferUsage",
-        "ColorMode",
-        "ColorTransform",
-        "Dataspace",
-        "Hdr",
-        "PixelFormat",
-        "Transform",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/graphics/common/1.1/Android.bp b/graphics/common/1.1/Android.bp
index 8bc68f545d..0647d12d3c 100644
--- a/graphics/common/1.1/Android.bp
+++ b/graphics/common/1.1/Android.bp
@@ -13,13 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hardware.graphics.common@1.0",
     ],
-    types: [
-        "BufferUsage",
-        "ColorMode",
-        "Dataspace",
-        "PixelFormat",
-        "RenderIntent",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/graphics/composer/2.1/Android.bp b/graphics/composer/2.1/Android.bp
index 8fbc8c293b..38786fd0c7 100644
--- a/graphics/composer/2.1/Android.bp
+++ b/graphics/composer/2.1/Android.bp
@@ -16,9 +16,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Error",
-    ],
     gen_java: false,
 }
 
diff --git a/graphics/mapper/2.0/Android.bp b/graphics/mapper/2.0/Android.bp
index 2f9a344590..96e812b9c6 100644
--- a/graphics/mapper/2.0/Android.bp
+++ b/graphics/mapper/2.0/Android.bp
@@ -15,10 +15,6 @@ hidl_interface {
         "android.hardware.graphics.common@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Error",
-        "YCbCrLayout",
-    ],
     gen_java: false,
 }
 
diff --git a/health/1.0/Android.bp b/health/1.0/Android.bp
index dcbaf58803..e03b142de8 100644
--- a/health/1.0/Android.bp
+++ b/health/1.0/Android.bp
@@ -13,13 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "BatteryHealth",
-        "BatteryStatus",
-        "HealthConfig",
-        "HealthInfo",
-        "Result",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/health/2.0/Android.bp b/health/2.0/Android.bp
index 0325467fe8..f472b27165 100644
--- a/health/2.0/Android.bp
+++ b/health/2.0/Android.bp
@@ -15,13 +15,6 @@ hidl_interface {
         "android.hardware.health@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "DiskStats",
-        "HealthInfo",
-        "Result",
-        "StorageAttribute",
-        "StorageInfo",
-    ],
     gen_java: true,
 }
 
diff --git a/health/storage/1.0/Android.bp b/health/storage/1.0/Android.bp
index 35ee34f207..45fa01fe62 100644
--- a/health/storage/1.0/Android.bp
+++ b/health/storage/1.0/Android.bp
@@ -14,9 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Result",
-    ],
     gen_java: true,
 }
 
diff --git a/ir/1.0/Android.bp b/ir/1.0/Android.bp
index 272acb38c8..5f25172f00 100644
--- a/ir/1.0/Android.bp
+++ b/ir/1.0/Android.bp
@@ -13,9 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ConsumerIrFreqRange",
-    ],
     gen_java: true,
 }
 
diff --git a/keymaster/3.0/Android.bp b/keymaster/3.0/Android.bp
index e0f1b9460a..ca17a9b75d 100644
--- a/keymaster/3.0/Android.bp
+++ b/keymaster/3.0/Android.bp
@@ -13,26 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Algorithm",
-        "BlockMode",
-        "Digest",
-        "EcCurve",
-        "ErrorCode",
-        "HardwareAuthToken",
-        "HardwareAuthenticatorType",
-        "KeyBlobUsageRequirements",
-        "KeyCharacteristics",
-        "KeyDerivationFunction",
-        "KeyFormat",
-        "KeyOrigin",
-        "KeyParameter",
-        "KeyPurpose",
-        "PaddingMode",
-        "SecurityLevel",
-        "Tag",
-        "TagType",
-    ],
     gen_java: false,
 }
 
diff --git a/keymaster/4.0/Android.bp b/keymaster/4.0/Android.bp
index 2daad41c10..cd46fd9e27 100644
--- a/keymaster/4.0/Android.bp
+++ b/keymaster/4.0/Android.bp
@@ -14,29 +14,6 @@ hidl_interface {
         "android.hardware.keymaster@3.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Algorithm",
-        "BlockMode",
-        "Constants",
-        "Digest",
-        "EcCurve",
-        "ErrorCode",
-        "HardwareAuthToken",
-        "HardwareAuthenticatorType",
-        "HmacSharingParameters",
-        "KeyBlobUsageRequirements",
-        "KeyCharacteristics",
-        "KeyDerivationFunction",
-        "KeyFormat",
-        "KeyOrigin",
-        "KeyParameter",
-        "KeyPurpose",
-        "PaddingMode",
-        "SecurityLevel",
-        "Tag",
-        "TagType",
-        "VerificationToken",
-    ],
     gen_java: false,
 }
 
diff --git a/light/2.0/Android.bp b/light/2.0/Android.bp
index ee58f93997..606875254a 100644
--- a/light/2.0/Android.bp
+++ b/light/2.0/Android.bp
@@ -13,13 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Brightness",
-        "Flash",
-        "LightState",
-        "Status",
-        "Type",
-    ],
     gen_java: true,
 }
 
diff --git a/media/1.0/Android.bp b/media/1.0/Android.bp
index 45fedb9eb1..844cfa2113 100644
--- a/media/1.0/Android.bp
+++ b/media/1.0/Android.bp
@@ -12,11 +12,6 @@ hidl_interface {
     interfaces: [
         "android.hardware.graphics.common@1.0",
     ],
-    types: [
-        "AnwBuffer",
-        "AnwBufferAttributes",
-        "Rect",
-    ],
     gen_java: true,
 }
 
diff --git a/media/bufferpool/1.0/Android.bp b/media/bufferpool/1.0/Android.bp
index 986da8a42a..86297d379f 100644
--- a/media/bufferpool/1.0/Android.bp
+++ b/media/bufferpool/1.0/Android.bp
@@ -15,12 +15,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Buffer",
-        "BufferStatus",
-        "BufferStatusMessage",
-        "ResultStatus",
-    ],
     gen_java: false,
 }
 
diff --git a/media/omx/1.0/Android.bp b/media/omx/1.0/Android.bp
index 89709bdc56..ee51d5d9e3 100644
--- a/media/omx/1.0/Android.bp
+++ b/media/omx/1.0/Android.bp
@@ -21,13 +21,6 @@ hidl_interface {
         "android.hardware.media@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CodecBuffer",
-        "ColorAspects",
-        "Message",
-        "PortMode",
-        "Status",
-    ],
     gen_java: false,
 }
 
diff --git a/memtrack/1.0/Android.bp b/memtrack/1.0/Android.bp
index d56aa64dd5..0f249772b5 100644
--- a/memtrack/1.0/Android.bp
+++ b/memtrack/1.0/Android.bp
@@ -13,12 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "MemtrackFlag",
-        "MemtrackRecord",
-        "MemtrackStatus",
-        "MemtrackType",
-    ],
     gen_java: true,
 }
 
diff --git a/neuralnetworks/1.0/Android.bp b/neuralnetworks/1.0/Android.bp
index e8600d3e52..63b5b9827a 100644
--- a/neuralnetworks/1.0/Android.bp
+++ b/neuralnetworks/1.0/Android.bp
@@ -16,22 +16,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Capabilities",
-        "DataLocation",
-        "DeviceStatus",
-        "ErrorStatus",
-        "FusedActivationFunc",
-        "Model",
-        "Operand",
-        "OperandLifeTime",
-        "OperandType",
-        "Operation",
-        "OperationType",
-        "PerformanceInfo",
-        "Request",
-        "RequestArgument",
-    ],
     gen_java: false,
 }
 
diff --git a/neuralnetworks/1.1/Android.bp b/neuralnetworks/1.1/Android.bp
index 24d8396852..1158a907d8 100644
--- a/neuralnetworks/1.1/Android.bp
+++ b/neuralnetworks/1.1/Android.bp
@@ -14,13 +14,6 @@ hidl_interface {
         "android.hardware.neuralnetworks@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Capabilities",
-        "ExecutionPreference",
-        "Model",
-        "Operation",
-        "OperationType",
-    ],
     gen_java: false,
 }
 
diff --git a/neuralnetworks/1.2/Android.bp b/neuralnetworks/1.2/Android.bp
index daf0c18e0f..085bda1713 100644
--- a/neuralnetworks/1.2/Android.bp
+++ b/neuralnetworks/1.2/Android.bp
@@ -21,24 +21,6 @@ hidl_interface {
         "android.hidl.base@1.0",
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "Constant",
-        "DeviceType",
-        "Extension",
-        "FmqRequestDatum",
-        "FmqResultDatum",
-        "MeasureTiming",
-        "Model",
-        "Operand",
-        "OperandType",
-        "OperandTypeRange",
-        "Operation",
-        "OperationType",
-        "OperationTypeRange",
-        "OutputShape",
-        "SymmPerChannelQuantParams",
-        "Timing",
-    ],
     gen_java: false,
 }
 
diff --git a/nfc/1.0/Android.bp b/nfc/1.0/Android.bp
index f821355092..e0625d08fc 100644
--- a/nfc/1.0/Android.bp
+++ b/nfc/1.0/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "NfcEvent",
-        "NfcStatus",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/nfc/1.1/Android.bp b/nfc/1.1/Android.bp
index 9a1392ee26..bbf49b2e5a 100644
--- a/nfc/1.1/Android.bp
+++ b/nfc/1.1/Android.bp
@@ -15,13 +15,6 @@ hidl_interface {
         "android.hardware.nfc@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Constant",
-        "NfcConfig",
-        "NfcEvent",
-        "PresenceCheckAlgorithm",
-        "ProtocolDiscoveryConfig",
-    ],
     gen_java: true,
 }
 
diff --git a/nfc/1.2/Android.bp b/nfc/1.2/Android.bp
index c338e02b00..cfb8b85c50 100644
--- a/nfc/1.2/Android.bp
+++ b/nfc/1.2/Android.bp
@@ -15,9 +15,6 @@ hidl_interface {
         "android.hardware.nfc@1.1",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "NfcConfig",
-    ],
     gen_java: true,
 }
 
diff --git a/oemlock/1.0/Android.bp b/oemlock/1.0/Android.bp
index c4ad989ca4..894188b2d0 100644
--- a/oemlock/1.0/Android.bp
+++ b/oemlock/1.0/Android.bp
@@ -13,10 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "OemLockSecureStatus",
-        "OemLockStatus",
-    ],
     gen_java: true,
 }
 
diff --git a/power/1.0/Android.bp b/power/1.0/Android.bp
index 92c9483328..dbc0a361dd 100644
--- a/power/1.0/Android.bp
+++ b/power/1.0/Android.bp
@@ -13,13 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Feature",
-        "PowerHint",
-        "PowerStatePlatformSleepState",
-        "PowerStateVoter",
-        "Status",
-    ],
     gen_java: true,
 }
 
diff --git a/power/1.1/Android.bp b/power/1.1/Android.bp
index d1d8021053..de55396c1d 100644
--- a/power/1.1/Android.bp
+++ b/power/1.1/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
         "android.hardware.power@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "PowerStateSubsystem",
-        "PowerStateSubsystemSleepState",
-    ],
     gen_java: true,
 }
 
diff --git a/power/1.2/Android.bp b/power/1.2/Android.bp
index 0eb73e7a45..284e736898 100644
--- a/power/1.2/Android.bp
+++ b/power/1.2/Android.bp
@@ -15,9 +15,6 @@ hidl_interface {
         "android.hardware.power@1.1",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "PowerHint",
-    ],
     gen_java: true,
 }
 
diff --git a/power/1.3/Android.bp b/power/1.3/Android.bp
index 1869b56621..320f1e611d 100644
--- a/power/1.3/Android.bp
+++ b/power/1.3/Android.bp
@@ -16,9 +16,6 @@ hidl_interface {
         "android.hardware.power@1.2",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "PowerHint",
-    ],
     gen_java: true,
 }
 
diff --git a/power/stats/1.0/Android.bp b/power/stats/1.0/Android.bp
index 9a956e4ce1..9cf24cfb3a 100644
--- a/power/stats/1.0/Android.bp
+++ b/power/stats/1.0/Android.bp
@@ -13,17 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "EnergyData",
-        "PowerEntityInfo",
-        "PowerEntityStateInfo",
-        "PowerEntityStateResidencyData",
-        "PowerEntityStateResidencyResult",
-        "PowerEntityStateSpace",
-        "PowerEntityType",
-        "RailInfo",
-        "Status",
-    ],
     gen_java: false,
 }
 
diff --git a/radio/1.0/Android.bp b/radio/1.0/Android.bp
index 72a3ca60ab..f0234715cb 100644
--- a/radio/1.0/Android.bp
+++ b/radio/1.0/Android.bp
@@ -17,162 +17,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ActivityStatsInfo",
-        "ApnAuthType",
-        "ApnTypes",
-        "AppState",
-        "AppStatus",
-        "AppType",
-        "Call",
-        "CallForwardInfo",
-        "CallForwardInfoStatus",
-        "CallPresentation",
-        "CallState",
-        "CardState",
-        "CardStatus",
-        "Carrier",
-        "CarrierMatchType",
-        "CarrierRestrictions",
-        "CdmaBroadcastSmsConfigInfo",
-        "CdmaCallWaiting",
-        "CdmaCallWaitingNumberPlan",
-        "CdmaCallWaitingNumberPresentation",
-        "CdmaCallWaitingNumberType",
-        "CdmaDisplayInfoRecord",
-        "CdmaInfoRecName",
-        "CdmaInformationRecord",
-        "CdmaInformationRecords",
-        "CdmaLineControlInfoRecord",
-        "CdmaNumberInfoRecord",
-        "CdmaOtaProvisionStatus",
-        "CdmaRedirectingNumberInfoRecord",
-        "CdmaRedirectingReason",
-        "CdmaRoamingType",
-        "CdmaSignalInfoRecord",
-        "CdmaSignalStrength",
-        "CdmaSmsAck",
-        "CdmaSmsAddress",
-        "CdmaSmsDigitMode",
-        "CdmaSmsErrorClass",
-        "CdmaSmsMessage",
-        "CdmaSmsNumberMode",
-        "CdmaSmsNumberPlan",
-        "CdmaSmsNumberType",
-        "CdmaSmsSubaddress",
-        "CdmaSmsSubaddressType",
-        "CdmaSmsWriteArgs",
-        "CdmaSmsWriteArgsStatus",
-        "CdmaSubscriptionSource",
-        "CdmaT53AudioControlInfoRecord",
-        "CdmaT53ClirInfoRecord",
-        "CellIdentity",
-        "CellIdentityCdma",
-        "CellIdentityGsm",
-        "CellIdentityLte",
-        "CellIdentityTdscdma",
-        "CellIdentityWcdma",
-        "CellInfo",
-        "CellInfoCdma",
-        "CellInfoGsm",
-        "CellInfoLte",
-        "CellInfoTdscdma",
-        "CellInfoType",
-        "CellInfoWcdma",
-        "CfData",
-        "ClipStatus",
-        "Clir",
-        "DataCallFailCause",
-        "DataProfileId",
-        "DataProfileInfo",
-        "DataProfileInfoType",
-        "DataRegStateResult",
-        "DeviceStateType",
-        "Dial",
-        "EvdoSignalStrength",
-        "GsmBroadcastSmsConfigInfo",
-        "GsmSignalStrength",
-        "GsmSmsMessage",
-        "HardwareConfig",
-        "HardwareConfigModem",
-        "HardwareConfigSim",
-        "HardwareConfigState",
-        "HardwareConfigType",
-        "IccIo",
-        "IccIoResult",
-        "ImsSmsMessage",
-        "IndicationFilter",
-        "LastCallFailCause",
-        "LastCallFailCauseInfo",
-        "LceDataInfo",
-        "LceStatus",
-        "LceStatusInfo",
-        "LteSignalStrength",
-        "MvnoType",
-        "NeighboringCell",
-        "NvItem",
-        "NvWriteItem",
-        "OperatorInfo",
-        "OperatorStatus",
-        "P2Constant",
-        "PcoDataInfo",
-        "PersoSubstate",
-        "PhoneRestrictedState",
-        "PinState",
-        "PreferredNetworkType",
-        "RadioAccessFamily",
-        "RadioBandMode",
-        "RadioCapability",
-        "RadioCapabilityPhase",
-        "RadioCapabilityStatus",
-        "RadioCdmaSmsConst",
-        "RadioConst",
-        "RadioError",
-        "RadioIndicationType",
-        "RadioResponseInfo",
-        "RadioResponseType",
-        "RadioState",
-        "RadioTechnology",
-        "RadioTechnologyFamily",
-        "RegState",
-        "ResetNvType",
-        "RestrictedState",
-        "SapApduType",
-        "SapConnectRsp",
-        "SapDisconnectType",
-        "SapResultCode",
-        "SapStatus",
-        "SapTransferProtocol",
-        "SelectUiccSub",
-        "SendSmsResult",
-        "SetupDataCallResult",
-        "SignalStrength",
-        "SimApdu",
-        "SimRefreshResult",
-        "SimRefreshType",
-        "SmsAcknowledgeFailCause",
-        "SmsWriteArgs",
-        "SmsWriteArgsStatus",
-        "SrvccState",
-        "SsInfoData",
-        "SsRequestType",
-        "SsServiceType",
-        "SsTeleserviceType",
-        "StkCcUnsolSsResult",
-        "SubscriptionType",
-        "SuppServiceClass",
-        "SuppSvcNotification",
-        "TdScdmaSignalStrength",
-        "TimeStampType",
-        "TtyMode",
-        "UiccSubActStatus",
-        "UssdModeType",
-        "UusDcs",
-        "UusInfo",
-        "UusType",
-        "VoiceRegStateResult",
-        "WcdmaSignalStrength",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/1.1/Android.bp b/radio/1.1/Android.bp
index 5eecb31919..4375d8cb8c 100644
--- a/radio/1.1/Android.bp
+++ b/radio/1.1/Android.bp
@@ -17,23 +17,6 @@ hidl_interface {
         "android.hardware.radio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CardPowerState",
-        "EutranBands",
-        "GeranBands",
-        "ImsiEncryptionInfo",
-        "KeepaliveRequest",
-        "KeepaliveStatus",
-        "KeepaliveStatusCode",
-        "KeepaliveType",
-        "NetworkScanRequest",
-        "NetworkScanResult",
-        "RadioAccessNetworks",
-        "RadioAccessSpecifier",
-        "ScanStatus",
-        "ScanType",
-        "UtranBands",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index c90a03c374..b7364a8c75 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -18,41 +18,6 @@ hidl_interface {
         "android.hardware.radio@1.1",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AccessNetwork",
-        "AudioQuality",
-        "Call",
-        "CardStatus",
-        "CellConnectionStatus",
-        "CellIdentity",
-        "CellIdentityCdma",
-        "CellIdentityGsm",
-        "CellIdentityLte",
-        "CellIdentityOperatorNames",
-        "CellIdentityTdscdma",
-        "CellIdentityWcdma",
-        "CellInfo",
-        "CellInfoCdma",
-        "CellInfoGsm",
-        "CellInfoLte",
-        "CellInfoTdscdma",
-        "CellInfoWcdma",
-        "DataRegStateResult",
-        "DataRequestReason",
-        "IncrementalResultsPeriodicityRange",
-        "IndicationFilter",
-        "LinkCapacityEstimate",
-        "MaxSearchTimeRange",
-        "NetworkScanRequest",
-        "NetworkScanResult",
-        "PhysicalChannelConfig",
-        "RadioConst",
-        "ScanIntervalRange",
-        "SignalStrength",
-        "TdscdmaSignalStrength",
-        "VoiceRegStateResult",
-        "WcdmaSignalStrength",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/1.3/Android.bp b/radio/1.3/Android.bp
index 63056ccfbd..de2a3e522d 100644
--- a/radio/1.3/Android.bp
+++ b/radio/1.3/Android.bp
@@ -18,9 +18,6 @@ hidl_interface {
         "android.hardware.radio@1.2",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "RadioResponseInfoModem",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/1.4/Android.bp b/radio/1.4/Android.bp
index 8165b8f1d7..9f5f2f92e4 100644
--- a/radio/1.4/Android.bp
+++ b/radio/1.4/Android.bp
@@ -20,39 +20,6 @@ hidl_interface {
         "android.hidl.base@1.0",
         "android.hidl.safe_union@1.0",
     ],
-    types: [
-        "AccessNetwork",
-        "ApnTypes",
-        "CardStatus",
-        "CarrierRestrictionsWithPriority",
-        "CellConfigLte",
-        "CellIdentityNr",
-        "CellInfo",
-        "CellInfoLte",
-        "CellInfoNr",
-        "DataCallFailCause",
-        "DataConnActiveStatus",
-        "DataProfileInfo",
-        "DataRegStateResult",
-        "EmergencyCallRouting",
-        "EmergencyNumber",
-        "EmergencyNumberSource",
-        "EmergencyServiceCategory",
-        "FrequencyRange",
-        "LteVopsInfo",
-        "NetworkScanResult",
-        "NrIndicators",
-        "NrSignalStrength",
-        "PdpProtocolType",
-        "PhysicalChannelConfig",
-        "RadioAccessFamily",
-        "RadioCapability",
-        "RadioFrequencyInfo",
-        "RadioTechnology",
-        "SetupDataCallResult",
-        "SignalStrength",
-        "SimLockMultiSimPolicy",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/config/1.0/Android.bp b/radio/config/1.0/Android.bp
index c50e71ca09..7fb0ea10dd 100644
--- a/radio/config/1.0/Android.bp
+++ b/radio/config/1.0/Android.bp
@@ -16,10 +16,6 @@ hidl_interface {
         "android.hardware.radio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "SimSlotStatus",
-        "SlotState",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/config/1.1/Android.bp b/radio/config/1.1/Android.bp
index 151a0a348d..5c9ad7c292 100644
--- a/radio/config/1.1/Android.bp
+++ b/radio/config/1.1/Android.bp
@@ -17,11 +17,6 @@ hidl_interface {
         "android.hardware.radio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ModemInfo",
-        "ModemsConfig",
-        "PhoneCapability",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/config/1.2/Android.bp b/radio/config/1.2/Android.bp
index 3e6a425930..e69be40e5b 100644
--- a/radio/config/1.2/Android.bp
+++ b/radio/config/1.2/Android.bp
@@ -17,9 +17,6 @@ hidl_interface {
         "android.hardware.radio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "SimSlotStatus",
-    ],
     gen_java: true,
 }
 
diff --git a/renderscript/1.0/Android.bp b/renderscript/1.0/Android.bp
index 79b2ff7d8e..1d7efad149 100644
--- a/renderscript/1.0/Android.bp
+++ b/renderscript/1.0/Android.bp
@@ -15,23 +15,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AllocationCubemapFace",
-        "AllocationMipmapControl",
-        "AllocationUsageType",
-        "ContextFlags",
-        "ContextType",
-        "DataKind",
-        "DataType",
-        "ForEachStrategy",
-        "MessageToClientType",
-        "MetadataSignatureBitval",
-        "SamplerValue",
-        "ScriptCall",
-        "ScriptIntrinsicID",
-        "ThreadPriorities",
-        "YuvFormat",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/secure_element/1.0/Android.bp b/secure_element/1.0/Android.bp
index e8081dfdc6..c6fa6a937b 100644
--- a/secure_element/1.0/Android.bp
+++ b/secure_element/1.0/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "LogicalChannelResponse",
-        "SecureElementStatus",
-    ],
     gen_java: true,
 }
 
diff --git a/sensors/1.0/Android.bp b/sensors/1.0/Android.bp
index 92c3c1b601..3a41f9cebb 100644
--- a/sensors/1.0/Android.bp
+++ b/sensors/1.0/Android.bp
@@ -13,31 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AdditionalInfo",
-        "AdditionalInfoType",
-        "DynamicSensorInfo",
-        "Event",
-        "EventPayload",
-        "HeartRate",
-        "MetaData",
-        "MetaDataEventType",
-        "OperationMode",
-        "RateLevel",
-        "Result",
-        "SensorFlagBits",
-        "SensorFlagShift",
-        "SensorInfo",
-        "SensorStatus",
-        "SensorType",
-        "SensorsEventFormatOffset",
-        "SharedMemFormat",
-        "SharedMemInfo",
-        "SharedMemType",
-        "Uncal",
-        "Vec3",
-        "Vec4",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/soundtrigger/2.0/Android.bp b/soundtrigger/2.0/Android.bp
index 92f031adbd..b805be88e2 100644
--- a/soundtrigger/2.0/Android.bp
+++ b/soundtrigger/2.0/Android.bp
@@ -15,12 +15,6 @@ hidl_interface {
         "android.hardware.audio.common@2.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ConfidenceLevel",
-        "PhraseRecognitionExtra",
-        "RecognitionMode",
-        "SoundModelType",
-    ],
     gen_java: false,
 }
 
diff --git a/tests/bar/1.0/Android.bp b/tests/bar/1.0/Android.bp
index 45c84bcb9b..a1b6b88723 100644
--- a/tests/bar/1.0/Android.bp
+++ b/tests/bar/1.0/Android.bp
@@ -15,9 +15,6 @@ hidl_interface {
         "android.hardware.tests.foo@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Def",
-    ],
     gen_java: false,
 }
 
diff --git a/tests/baz/1.0/Android.bp b/tests/baz/1.0/Android.bp
index edf8fe6713..618f4f8019 100644
--- a/tests/baz/1.0/Android.bp
+++ b/tests/baz/1.0/Android.bp
@@ -13,8 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-    ],
     gen_java: true,
 }
 
diff --git a/tests/extension/light/2.0/Android.bp b/tests/extension/light/2.0/Android.bp
index 58c8392eb4..916af71a92 100644
--- a/tests/extension/light/2.0/Android.bp
+++ b/tests/extension/light/2.0/Android.bp
@@ -11,11 +11,6 @@ hidl_interface {
         "android.hardware.light@2.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Brightness",
-        "Default",
-        "LightState",
-    ],
     gen_java: true,
 }
 
diff --git a/tests/foo/1.0/Android.bp b/tests/foo/1.0/Android.bp
index 769de2d3f3..1c3b3c5c9a 100644
--- a/tests/foo/1.0/Android.bp
+++ b/tests/foo/1.0/Android.bp
@@ -14,13 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Abc",
-        "Def",
-        "EnumIterators",
-        "Outer",
-        "Unrelated",
-    ],
     gen_java: false,
 }
 
diff --git a/tests/trie/1.0/Android.bp b/tests/trie/1.0/Android.bp
index 870a350f34..0795f66034 100644
--- a/tests/trie/1.0/Android.bp
+++ b/tests/trie/1.0/Android.bp
@@ -10,15 +10,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "A",
-        "B",
-        "E1",
-        "E2",
-        "S",
-        "TrieEdge",
-        "TrieNode",
-    ],
     gen_java: false,
 }
 
diff --git a/tetheroffload/control/1.0/Android.bp b/tetheroffload/control/1.0/Android.bp
index 8e3fd2729f..dc2487bd8d 100644
--- a/tetheroffload/control/1.0/Android.bp
+++ b/tetheroffload/control/1.0/Android.bp
@@ -14,12 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "IPv4AddrPortPair",
-        "NatTimeoutUpdate",
-        "NetworkProtocol",
-        "OffloadCallbackEvent",
-    ],
     gen_java: true,
 }
 
diff --git a/thermal/1.0/Android.bp b/thermal/1.0/Android.bp
index e764e2843d..8428977373 100644
--- a/thermal/1.0/Android.bp
+++ b/thermal/1.0/Android.bp
@@ -13,15 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CoolingDevice",
-        "CoolingType",
-        "CpuUsage",
-        "Temperature",
-        "TemperatureType",
-        "ThermalStatus",
-        "ThermalStatusCode",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/tv/cec/1.0/Android.bp b/tv/cec/1.0/Android.bp
index 2aa155e8fc..7626dc051b 100644
--- a/tv/cec/1.0/Android.bp
+++ b/tv/cec/1.0/Android.bp
@@ -14,20 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "AbortReason",
-        "CecDeviceType",
-        "CecLogicalAddress",
-        "CecMessage",
-        "CecMessageType",
-        "HdmiPortInfo",
-        "HdmiPortType",
-        "HotplugEvent",
-        "MaxLength",
-        "OptionKey",
-        "Result",
-        "SendMessageResult",
-    ],
     gen_java: true,
 }
 
diff --git a/tv/input/1.0/Android.bp b/tv/input/1.0/Android.bp
index 1bf39306d5..a6c1959920 100644
--- a/tv/input/1.0/Android.bp
+++ b/tv/input/1.0/Android.bp
@@ -15,15 +15,6 @@ hidl_interface {
         "android.hardware.audio.common@2.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "CableConnectionStatus",
-        "Result",
-        "TvInputDeviceInfo",
-        "TvInputEvent",
-        "TvInputEventType",
-        "TvInputType",
-        "TvStreamConfig",
-    ],
     gen_java: false,
     gen_java_constants: true,
 }
diff --git a/usb/1.0/Android.bp b/usb/1.0/Android.bp
index 6676fa599e..a00b671549 100644
--- a/usb/1.0/Android.bp
+++ b/usb/1.0/Android.bp
@@ -14,15 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "PortDataRole",
-        "PortMode",
-        "PortPowerRole",
-        "PortRole",
-        "PortRoleType",
-        "PortStatus",
-        "Status",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/usb/1.1/Android.bp b/usb/1.1/Android.bp
index c398f94ddc..fb2cc4ee3d 100644
--- a/usb/1.1/Android.bp
+++ b/usb/1.1/Android.bp
@@ -15,10 +15,6 @@ hidl_interface {
         "android.hardware.usb@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "PortMode_1_1",
-        "PortStatus_1_1",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/usb/gadget/1.0/Android.bp b/usb/gadget/1.0/Android.bp
index f38002fd00..7ee432b328 100644
--- a/usb/gadget/1.0/Android.bp
+++ b/usb/gadget/1.0/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "GadgetFunction",
-        "Status",
-    ],
     gen_java: true,
 }
 
diff --git a/vibrator/1.0/Android.bp b/vibrator/1.0/Android.bp
index 6913c88cba..acc97d4cf8 100644
--- a/vibrator/1.0/Android.bp
+++ b/vibrator/1.0/Android.bp
@@ -13,11 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Effect",
-        "EffectStrength",
-        "Status",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/vibrator/1.1/Android.bp b/vibrator/1.1/Android.bp
index 810797bd48..2055e5a3a4 100644
--- a/vibrator/1.1/Android.bp
+++ b/vibrator/1.1/Android.bp
@@ -14,9 +14,6 @@ hidl_interface {
         "android.hardware.vibrator@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Effect_1_1",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/vibrator/1.2/Android.bp b/vibrator/1.2/Android.bp
index 88192c18b3..481adee176 100644
--- a/vibrator/1.2/Android.bp
+++ b/vibrator/1.2/Android.bp
@@ -15,9 +15,6 @@ hidl_interface {
         "android.hardware.vibrator@1.1",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Effect",
-    ],
     gen_java: true,
 }
 
diff --git a/weaver/1.0/Android.bp b/weaver/1.0/Android.bp
index e088a161a3..7f93b10311 100644
--- a/weaver/1.0/Android.bp
+++ b/weaver/1.0/Android.bp
@@ -13,12 +13,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "WeaverConfig",
-        "WeaverReadResponse",
-        "WeaverReadStatus",
-        "WeaverStatus",
-    ],
     gen_java: true,
 }
 
diff --git a/wifi/1.0/Android.bp b/wifi/1.0/Android.bp
index 096fb6cc5d..c5ee1bb77f 100644
--- a/wifi/1.0/Android.bp
+++ b/wifi/1.0/Android.bp
@@ -25,90 +25,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "IfaceType",
-        "NanBandIndex",
-        "NanBandSpecificConfig",
-        "NanCapabilities",
-        "NanCipherSuiteType",
-        "NanClusterEventInd",
-        "NanClusterEventType",
-        "NanConfigRequest",
-        "NanDataPathChannelCfg",
-        "NanDataPathConfirmInd",
-        "NanDataPathRequestInd",
-        "NanDataPathSecurityConfig",
-        "NanDataPathSecurityType",
-        "NanDebugConfig",
-        "NanDiscoveryCommonConfig",
-        "NanEnableRequest",
-        "NanFollowupReceivedInd",
-        "NanInitiateDataPathRequest",
-        "NanMatchAlg",
-        "NanMatchInd",
-        "NanParamSizeLimits",
-        "NanPublishRequest",
-        "NanPublishType",
-        "NanRangingIndication",
-        "NanRespondToDataPathIndicationRequest",
-        "NanSrfType",
-        "NanStatusType",
-        "NanSubscribeRequest",
-        "NanSubscribeType",
-        "NanTransmitFollowupRequest",
-        "NanTxType",
-        "RttBw",
-        "RttCapabilities",
-        "RttConfig",
-        "RttLciInformation",
-        "RttLcrInformation",
-        "RttMotionPattern",
-        "RttPeerType",
-        "RttPreamble",
-        "RttResponder",
-        "RttResult",
-        "RttStatus",
-        "RttType",
-        "StaApfPacketFilterCapabilities",
-        "StaBackgroundScanBucketEventReportSchemeMask",
-        "StaBackgroundScanBucketParameters",
-        "StaBackgroundScanCapabilities",
-        "StaBackgroundScanParameters",
-        "StaLinkLayerIfacePacketStats",
-        "StaLinkLayerIfaceStats",
-        "StaLinkLayerRadioStats",
-        "StaLinkLayerStats",
-        "StaRoamingCapabilities",
-        "StaRoamingConfig",
-        "StaRoamingState",
-        "StaScanData",
-        "StaScanDataFlagMask",
-        "StaScanLimits",
-        "StaScanResult",
-        "WifiBand",
-        "WifiChannelInfo",
-        "WifiChannelWidthInMhz",
-        "WifiDebugHostWakeReasonRxIcmpPacketDetails",
-        "WifiDebugHostWakeReasonRxMulticastPacketDetails",
-        "WifiDebugHostWakeReasonRxPacketDetails",
-        "WifiDebugHostWakeReasonStats",
-        "WifiDebugPacketFateFrameInfo",
-        "WifiDebugPacketFateFrameType",
-        "WifiDebugRingBufferFlags",
-        "WifiDebugRingBufferStatus",
-        "WifiDebugRingBufferVerboseLevel",
-        "WifiDebugRxPacketFate",
-        "WifiDebugRxPacketFateReport",
-        "WifiDebugTxPacketFate",
-        "WifiDebugTxPacketFateReport",
-        "WifiInformationElement",
-        "WifiNanStatus",
-        "WifiRateInfo",
-        "WifiRateNss",
-        "WifiRatePreamble",
-        "WifiStatus",
-        "WifiStatusCode",
-    ],
     gen_java: true,
     gen_java_constants: true,
 }
diff --git a/wifi/1.2/Android.bp b/wifi/1.2/Android.bp
index c144f22a1b..1863eaf5ee 100644
--- a/wifi/1.2/Android.bp
+++ b/wifi/1.2/Android.bp
@@ -20,12 +20,6 @@ hidl_interface {
         "android.hardware.wifi@1.1",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "NanConfigRequestSupplemental",
-        "NanDataPathChannelInfo",
-        "NanDataPathConfirmInd",
-        "NanDataPathScheduleUpdateInd",
-    ],
     gen_java: true,
 }
 
diff --git a/wifi/hostapd/1.0/Android.bp b/wifi/hostapd/1.0/Android.bp
index a17e153461..9ee976e6d0 100644
--- a/wifi/hostapd/1.0/Android.bp
+++ b/wifi/hostapd/1.0/Android.bp
@@ -14,10 +14,6 @@ hidl_interface {
         "android.hardware.wifi.supplicant@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "HostapdStatus",
-        "HostapdStatusCode",
-    ],
     gen_java: true,
 }
 
diff --git a/wifi/offload/1.0/Android.bp b/wifi/offload/1.0/Android.bp
index c6c0e7a78e..1a9ae73c85 100644
--- a/wifi/offload/1.0/Android.bp
+++ b/wifi/offload/1.0/Android.bp
@@ -14,20 +14,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "Capability",
-        "LogRecord",
-        "NetworkInfo",
-        "OffloadStatus",
-        "OffloadStatusCode",
-        "RecordName",
-        "ScanFilter",
-        "ScanParam",
-        "ScanRecord",
-        "ScanResult",
-        "ScanStats",
-        "SecurityMode",
-    ],
     gen_java: false,
 }
 
diff --git a/wifi/supplicant/1.0/Android.bp b/wifi/supplicant/1.0/Android.bp
index fc7ce55e3f..c99706d2f7 100644
--- a/wifi/supplicant/1.0/Android.bp
+++ b/wifi/supplicant/1.0/Android.bp
@@ -24,13 +24,6 @@ hidl_interface {
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    types: [
-        "IfaceType",
-        "P2pGroupCapabilityMask",
-        "SupplicantStatus",
-        "SupplicantStatusCode",
-        "WpsConfigMethods",
-    ],
     gen_java: true,
 }