diff --git a/services/core/java/com/android/server/InputMethodManagerService.java b/services/core/java/com/android/server/InputMethodManagerService.java
index 63c9822d82c8c..3b6c62b5f111b 100644
--- a/services/core/java/com/android/server/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/InputMethodManagerService.java
@@ -1960,14 +1960,6 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
             throw new IllegalArgumentException("Unknown id: " + id);
         }
 
-        if (mCurClient != null && mCurAttribute != null) {
-            // We have already made sure that the package name belongs to the application's UID.
-            // No further UID check is required.
-            if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) {
-                return;
-            }
-        }
-
         // See if we need to notify a subtype change within the same IME.
         if (id.equals(mCurMethodId)) {
             final int subtypeCount = info.getSubtypeCount();
diff --git a/services/core/java/com/android/server/SystemConfig.java b/services/core/java/com/android/server/SystemConfig.java
index 1c1784ec36688..73d8bddc5e609 100644
--- a/services/core/java/com/android/server/SystemConfig.java
+++ b/services/core/java/com/android/server/SystemConfig.java
@@ -105,9 +105,6 @@ public class SystemConfig {
     // background while in data-usage save mode, as read from the configuration files.
     final ArraySet<String> mAllowInDataUsageSave = new ArraySet<>();
 
-    // These are the app package names that should not allow IME switching.
-    final ArraySet<String> mFixedImeApps = new ArraySet<>();
-
     // These are the package names of apps which should be in the 'always'
     // URL-handling state upon factory reset.
     final ArraySet<String> mLinkedApps = new ArraySet<>();
@@ -159,10 +156,6 @@ public class SystemConfig {
         return mAllowInDataUsageSave;
     }
 
-    public ArraySet<String> getFixedImeApps() {
-        return mFixedImeApps;
-    }
-
     public ArraySet<String> getLinkedApps() {
         return mLinkedApps;
     }
@@ -411,17 +404,6 @@ public class SystemConfig {
                     XmlUtils.skipCurrentTag(parser);
                     continue;
 
-                } else if ("fixed-ime-app".equals(name) && allowAll) {
-                    String pkgname = parser.getAttributeValue(null, "package");
-                    if (pkgname == null) {
-                        Slog.w(TAG, "<fixed-ime-app> without package in " + permFile + " at "
-                                + parser.getPositionDescription());
-                    } else {
-                        mFixedImeApps.add(pkgname);
-                    }
-                    XmlUtils.skipCurrentTag(parser);
-                    continue;
-
                 } else if ("app-link".equals(name) && allowAppConfigs) {
                     String pkgname = parser.getAttributeValue(null, "package");
                     if (pkgname == null) {