diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingDevice.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingDevice.aidl
index dfd868646a..dff3c4cc49 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingDevice.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingDevice.aidl
@@ -33,7 +33,7 @@
 
 package android.hardware.thermal;
 /* @hide */
-@VintfStability
+@JavaDerive(toString=true) @VintfStability
 parcelable CoolingDevice {
   android.hardware.thermal.CoolingType type;
   String name;
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/Temperature.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/Temperature.aidl
index 3bf08bf9c6..ce70ab844f 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/Temperature.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/Temperature.aidl
@@ -33,7 +33,7 @@
 
 package android.hardware.thermal;
 /* @hide */
-@VintfStability
+@JavaDerive(toString=true) @VintfStability
 parcelable Temperature {
   android.hardware.thermal.TemperatureType type;
   String name;
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureThreshold.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureThreshold.aidl
index c5ca4b9df3..a384d19600 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureThreshold.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureThreshold.aidl
@@ -33,7 +33,7 @@
 
 package android.hardware.thermal;
 /* @hide */
-@VintfStability
+@JavaDerive(toString=true) @VintfStability
 parcelable TemperatureThreshold {
   android.hardware.thermal.TemperatureType type;
   String name;
diff --git a/thermal/aidl/android/hardware/thermal/CoolingDevice.aidl b/thermal/aidl/android/hardware/thermal/CoolingDevice.aidl
index 1f2360db47..0c5c17d3a9 100644
--- a/thermal/aidl/android/hardware/thermal/CoolingDevice.aidl
+++ b/thermal/aidl/android/hardware/thermal/CoolingDevice.aidl
@@ -20,6 +20,7 @@ import android.hardware.thermal.CoolingType;
 
 /* @hide */
 @VintfStability
+@JavaDerive(toString=true)
 parcelable CoolingDevice {
     /**
      * This cooling device type, CPU, GPU, BATTERY, and etc.
diff --git a/thermal/aidl/android/hardware/thermal/Temperature.aidl b/thermal/aidl/android/hardware/thermal/Temperature.aidl
index 281d68d8a6..b3f6700375 100644
--- a/thermal/aidl/android/hardware/thermal/Temperature.aidl
+++ b/thermal/aidl/android/hardware/thermal/Temperature.aidl
@@ -21,6 +21,7 @@ import android.hardware.thermal.ThrottlingSeverity;
 
 /* @hide */
 @VintfStability
+@JavaDerive(toString=true)
 parcelable Temperature {
     /**
      * This temperature's type.
diff --git a/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl b/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
index 0714c828f0..94991ae240 100644
--- a/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
+++ b/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
@@ -20,6 +20,7 @@ import android.hardware.thermal.TemperatureType;
 
 /* @hide */
 @VintfStability
+@JavaDerive(toString=true)
 parcelable TemperatureThreshold {
     /**
      * This temperature's type.