diff --git a/core/clang/TARGET_x86.mk b/core/clang/TARGET_x86.mk
index 0f530b51a6..70cb2525b9 100644
--- a/core/clang/TARGET_x86.mk
+++ b/core/clang/TARGET_x86.mk
@@ -2,6 +2,8 @@
 include $(BUILD_SYSTEM)/clang/x86.mk
 
 CLANG_CONFIG_x86_TARGET_TRIPLE := i686-linux-android
+# NOTE: There is no i686-linux-android prebuilt, so we must hardcode the
+# x86_64 target instead.
 CLANG_CONFIG_x86_TARGET_TOOLCHAIN_PREFIX := \
   $($(clang_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/x86_64-linux-android/bin
 
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
old mode 100755
new mode 100644
index 801f88269f..baf4f3f66a
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -182,7 +182,6 @@ $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	 -nostdlib -Wl,-soname,$(notdir $@) \
 	 -shared -Bsymbolic \
-	$(TARGET_GLOBAL_CFLAGS) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
old mode 100755
new mode 100644
index 6a2976247e..1d73a62e03
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -188,7 +188,6 @@ $(hide) $(PRIVATE_CXX) \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	 -nostdlib -Wl,-soname,$(notdir $@) \
 	 -shared -Bsymbolic \
-	$(TARGET_GLOBAL_CFLAGS) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \