diff --git a/jni/Android.bp b/jni/Android.bp
index f5ed6a7..ca8e099 100644
--- a/jni/Android.bp
+++ b/jni/Android.bp
@@ -16,5 +16,9 @@
 
     static_libs: ["libvterm"],
 
-    cflags: ["-Wno-unused-parameter"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-unused-parameter",
+    ],
 }
diff --git a/jni/com_android_terminal_Terminal.cpp b/jni/com_android_terminal_Terminal.cpp
index 83aaec9..277ca89 100644
--- a/jni/com_android_terminal_Terminal.cpp
+++ b/jni/com_android_terminal_Terminal.cpp
@@ -216,7 +216,6 @@
 }
 
 static int term_setmousefunc(VTermMouseFunc func, void *data, void *user) {
-    Terminal* term = reinterpret_cast<Terminal*>(user);
 #if DEBUG_CALLBACKS
     ALOGW("term_setmousefunc");
 #endif