diff --git a/voipms-sms/src/fdroid/kotlin/net/kourlas/voipms_sms/utils/appIndexing.kt b/voipms-sms/src/fdroid/kotlin/net/kourlas/voipms_sms/utils/appIndexing.kt
deleted file mode 100644
index 97608e7b..00000000
--- a/voipms-sms/src/fdroid/kotlin/net/kourlas/voipms_sms/utils/appIndexing.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * VoIP.ms SMS
- * Copyright (C) 2020 Michael Kourlas
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package net.kourlas.voipms_sms.utils
-
-import android.content.Context
-import net.kourlas.voipms_sms.sms.Message
-
-/**
- * Stub for F-Droid builds.
- */
-@Suppress("UNUSED_PARAMETER")
-fun addMessageToIndex(context: Context, message: Message) {
-    // Do nothing.
-}
-
-/**
- * Stub for F-Droid builds.
- */
-@Suppress("UNUSED_PARAMETER")
-fun removeFromIndex(context: Context, string: String) {
-    // Do nothing.
-}
-
-/**
- * Stub for F-Droid builds.
- */
-@Suppress("UNUSED_PARAMETER")
-fun removeAllFromIndex(context: Context) {
-    // Do nothing.
-}
-
-/**
- * Stub for F-Droid builds.
- */
-@Suppress("UNUSED_PARAMETER")
-fun replaceIndex(context: Context) {
-    // Do nothing.
-}