diff --git a/libs/sensor/Android.bp b/libs/sensor/Android.bp
index 171a627..940ff5a 100644
--- a/libs/sensor/Android.bp
+++ b/libs/sensor/Android.bp
@@ -16,9 +16,12 @@
     name: "libsensor",
 
     clang: true,
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
     cppflags: [
         "-Weverything",
-        "-Werror",
 
         // The static constructors and destructors in this library have not been noted to
         // introduce significant overheads
diff --git a/libs/sensor/tests/Android.bp b/libs/sensor/tests/Android.bp
index 9d530fc..9fd84bc 100644
--- a/libs/sensor/tests/Android.bp
+++ b/libs/sensor/tests/Android.bp
@@ -17,6 +17,8 @@
 
     clang: true,
 
+    cflags: ["-Wall", "-Werror"],
+
     srcs: [
         "Sensor_test.cpp",
     ],