diff --git a/mobile/android/base/GeckoInputConnection.java b/mobile/android/base/GeckoInputConnection.java
index adea5218f707..96b51c38c684 100644
--- a/mobile/android/base/GeckoInputConnection.java
+++ b/mobile/android/base/GeckoInputConnection.java
@@ -531,9 +531,9 @@ class GeckoInputConnection
             // Such string cannot be handled by Gecko, so we convert it to a key press instead
             if (changedChar == '\n') {
                 processKeyDown(KeyEvent.KEYCODE_ENTER, new KeyEvent(KeyEvent.ACTION_DOWN,
-                                                                    KeyEvent.KEYCODE_ENTER), false);
+                                                                    KeyEvent.KEYCODE_ENTER));
                 processKeyUp(KeyEvent.KEYCODE_ENTER, new KeyEvent(KeyEvent.ACTION_UP,
-                                                                  KeyEvent.KEYCODE_ENTER), false);
+                                                                  KeyEvent.KEYCODE_ENTER));
                 return;
             }
 
@@ -855,9 +855,9 @@ class GeckoInputConnection
     public boolean onKeyPreIme(int keyCode, KeyEvent event) {
         switch (event.getAction()) {
             case KeyEvent.ACTION_DOWN:
-                return processKeyDown(keyCode, event, true);
+                return processKeyDown(keyCode, event);
             case KeyEvent.ACTION_UP:
-                return processKeyUp(keyCode, event, true);
+                return processKeyUp(keyCode, event);
             case KeyEvent.ACTION_MULTIPLE:
                 return onKeyMultiple(keyCode, event.getRepeatCount(), event);
         }
@@ -865,13 +865,12 @@ class GeckoInputConnection
     }
 
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        return processKeyDown(keyCode, event, false);
+        return processKeyDown(keyCode, event);
     }
 
-    private boolean processKeyDown(int keyCode, KeyEvent event, boolean isPreIme) {
+    private boolean processKeyDown(int keyCode, KeyEvent event) {
         if (DEBUG) {
-            Log.d(LOGTAG, "IME: processKeyDown(keyCode=" + keyCode + ", event=" + event + ", "
-                          + isPreIme + ")");
+            Log.d(LOGTAG, "IME: processKeyDown(keyCode=" + keyCode + ", event=" + event + ")");
             GeckoApp.assertOnUiThread();
         }
 
@@ -900,11 +899,6 @@ class GeckoInputConnection
                 break;
         }
 
-        if (isPreIme && mIMEState != IME_STATE_DISABLED &&
-            (event.getMetaState() & KeyEvent.META_ALT_ON) != 0)
-            // Let active IME process pre-IME key events
-            return false;
-
         View view = getView();
         KeyListener keyListener = TextKeyListener.getInstance();
 
@@ -926,13 +920,12 @@ class GeckoInputConnection
     }
 
     public boolean onKeyUp(int keyCode, KeyEvent event) {
-        return processKeyUp(keyCode, event, false);
+        return processKeyUp(keyCode, event);
     }
 
-    private boolean processKeyUp(int keyCode, KeyEvent event, boolean isPreIme) {
+    private boolean processKeyUp(int keyCode, KeyEvent event) {
         if (DEBUG) {
-            Log.d(LOGTAG, "IME: processKeyUp(keyCode=" + keyCode + ", event=" + event + ", "
-                          + isPreIme + ")");
+            Log.d(LOGTAG, "IME: processKeyUp(keyCode=" + keyCode + ", event=" + event + ")");
             GeckoApp.assertOnUiThread();
         }
 
@@ -948,11 +941,6 @@ class GeckoInputConnection
                 break;
         }
 
-        if (isPreIme && mIMEState != IME_STATE_DISABLED &&
-            (event.getMetaState() & KeyEvent.META_ALT_ON) != 0)
-            // Let active IME process pre-IME key events
-            return false;
-
         View view = getView();
         KeyListener keyListener = TextKeyListener.getInstance();