diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 6999e3df0e2c4..aa3c3611fc7da 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -590,10 +590,6 @@ public class InputMethodService extends AbstractInputMethodService {
         @Override
         public final void initializeInternal(@NonNull IBinder token,
                 IInputMethodPrivilegedOperations privilegedOperations, int configChanges) {
-            if (InputMethodPrivilegedOperationsRegistry.isRegistered(token)) {
-                Log.w(TAG, "The token has already registered, ignore this initialization.");
-                return;
-            }
             Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "IMS.initializeInternal");
             mConfigTracker.onInitialize(configChanges);
             mPrivOps.set(privilegedOperations);
diff --git a/core/java/com/android/internal/inputmethod/InputMethodPrivilegedOperationsRegistry.java b/core/java/com/android/internal/inputmethod/InputMethodPrivilegedOperationsRegistry.java
index 049f952fceb8c..f8c6640afce66 100644
--- a/core/java/com/android/internal/inputmethod/InputMethodPrivilegedOperationsRegistry.java
+++ b/core/java/com/android/internal/inputmethod/InputMethodPrivilegedOperationsRegistry.java
@@ -74,12 +74,7 @@ public final class InputMethodPrivilegedOperationsRegistry {
             if (sRegistry == null) {
                 sRegistry = new WeakHashMap<>();
             }
-            final WeakReference<InputMethodPrivilegedOperations> previousOps =
-                    sRegistry.put(token, new WeakReference<>(ops));
-            if (previousOps != null) {
-                throw new IllegalStateException(previousOps.get() + " is already registered for "
-                        + " this token=" + token + " newOps=" + ops);
-            }
+            sRegistry.put(token, new WeakReference<>(ops));
         }
     }
 
@@ -132,21 +127,4 @@ public final class InputMethodPrivilegedOperationsRegistry {
             }
         }
     }
-
-    /**
-     * Check the given IME token registration status.
-     *
-     * @param token IME token
-     * @return {@code true} when the IME token has already registered
-     *         {@link InputMethodPrivilegedOperations}, {@code false} otherwise.
-     */
-    @AnyThread
-    public static boolean isRegistered(IBinder token) {
-        synchronized (sLock) {
-            if (sRegistry == null) {
-                return false;
-            }
-            return sRegistry.containsKey(token);
-        }
-    }
 }