diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index 6bb945c5f0d90..c879e3d792f97 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -2705,11 +2705,6 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
         return false;
     }
 
-    @GuardedBy("mMethodMap")
-    private boolean isKeyguardLocked() {
-        return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked();
-    }
-
     @BinderThread
     @SuppressWarnings("deprecation")
     private void setImeWindowStatus(@NonNull IBinder token, int vis, int backDisposition) {