diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7190c115..9128e049 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -5,8 +5,6 @@
 	xmlns:android="http://schemas.android.com/apk/res/android">
 
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
-	<uses-configuration android:reqFiveWayNav="true" android:reqHardKeyboard="true" android:reqKeyboardType="qwerty"/>
-	<uses-configuration android:reqFiveWayNav="true" android:reqHardKeyboard="true" android:reqKeyboardType="twelvekey"/>
 
 	<application
 		android:allowBackup="false"
diff --git a/src/io/github/sspanak/tt9/ime/helpers/InputType.java b/src/io/github/sspanak/tt9/ime/helpers/InputType.java
index e8227c86..660f4400 100644
--- a/src/io/github/sspanak/tt9/ime/helpers/InputType.java
+++ b/src/io/github/sspanak/tt9/ime/helpers/InputType.java
@@ -70,18 +70,6 @@ public class InputType {
 	}
 
 
-	public boolean isFilter() {
-		if (field == null) {
-			return false;
-		}
-
-		int inputType = field.inputType & android.text.InputType.TYPE_MASK_CLASS;
-		int inputVariation = field.inputType & android.text.InputType.TYPE_MASK_VARIATION;
-
-		return inputType == android.text.InputType.TYPE_CLASS_TEXT && inputVariation == android.text.InputType.TYPE_TEXT_VARIATION_FILTER;
-	}
-
-
 	public boolean isPassword() {
 		if (field == null) {
 			return false;