diff --git a/media/libeffects/config/Android.bp b/media/libeffects/config/Android.bp
index 4398a91..3e88c7c 100644
--- a/media/libeffects/config/Android.bp
+++ b/media/libeffects/config/Android.bp
@@ -5,6 +5,11 @@
 
     srcs: ["src/EffectsConfig.cpp"],
 
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
     shared_libs: [
         "liblog",
         "libtinyxml2",
diff --git a/media/libstagefright/codec2/Android.bp b/media/libstagefright/codec2/Android.bp
index 2f0deb4..696a062 100644
--- a/media/libstagefright/codec2/Android.bp
+++ b/media/libstagefright/codec2/Android.bp
@@ -7,6 +7,11 @@
 
     srcs: ["C2.cpp"],
 
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
     include_dirs: [
         "frameworks/av/media/libstagefright/codec2/include",
         "frameworks/native/include/media/hardware",