diff --git a/android/KMEA/app/build.gradle b/android/KMEA/app/build.gradle
index cf3e1b525f..9dda84ec4c 100644
--- a/android/KMEA/app/build.gradle
+++ b/android/KMEA/app/build.gradle
@@ -72,3 +72,9 @@ dependencies {
     // Assign the annotation processor for tests.
     testAnnotationProcessor 'com.google.auto.service:auto-service:1.0-rc4'
 }
+
+allprojects {
+    tasks.withType(JavaCompile) {
+        options.compilerArgs << "-Xlint:deprecation"
+    }
+}