diff --git a/graphics/composer/2.1/utils/hwc2on1adapter/Android.bp b/graphics/composer/2.1/utils/hwc2on1adapter/Android.bp
index 0171dd6..3527cca 100644
--- a/graphics/composer/2.1/utils/hwc2on1adapter/Android.bp
+++ b/graphics/composer/2.1/utils/hwc2on1adapter/Android.bp
@@ -25,7 +25,6 @@
     name: "libhwc2on1adapter",
     vendor: true,
 
-    clang: true,
     cflags: [
         "-Wall",
         "-Werror",
diff --git a/graphics/composer/2.1/utils/hwc2onfbadapter/Android.bp b/graphics/composer/2.1/utils/hwc2onfbadapter/Android.bp
index 4ef530e..d613ba9 100644
--- a/graphics/composer/2.1/utils/hwc2onfbadapter/Android.bp
+++ b/graphics/composer/2.1/utils/hwc2onfbadapter/Android.bp
@@ -25,7 +25,6 @@
     name: "libhwc2onfbadapter",
     vendor: true,
 
-    clang: true,
     cflags: [
         "-Wall",
         "-Wextra",