diff --git a/composeApp/src/commonMain/kotlin/androidx/datastore/core/InterProcessCoordinator.kt b/composeApp/src/commonMain/kotlin/androidx/datastore/core/InterProcessCoordinator.kt
index 8304318..4a99591 100644
--- a/composeApp/src/commonMain/kotlin/androidx/datastore/core/InterProcessCoordinator.kt
+++ b/composeApp/src/commonMain/kotlin/androidx/datastore/core/InterProcessCoordinator.kt
@@ -91,10 +91,3 @@ interface InterProcessCoordinator {
      */
     suspend fun incrementAndGetVersion(): Int
 }
-
-/**
- * Create a coordinator for single process use cases.
- *
- * @param filePath The canonical file path of the file managed by [SingleProcessCoordinator]
- */
-fun createSingleProcessCoordinator(filePath: String): InterProcessCoordinator = SingleProcessCoordinator(filePath)
diff --git a/composeApp/src/commonMain/kotlin/androidx/datastore/core/MutexUtils.kt b/composeApp/src/commonMain/kotlin/androidx/datastore/core/MutexUtils.kt
deleted file mode 100644
index d744eb5..0000000
--- a/composeApp/src/commonMain/kotlin/androidx/datastore/core/MutexUtils.kt
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * This file is part of Fhraise.
- * Copyright (c) 2024 HSAS Foodies. All Rights Reserved.
- *
- * Fhraise is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
- *
- * Fhraise is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with Fhraise. If not, see <https://www.gnu.org/licenses/>.
- */
-
-/*
- * Copyright 2023 The Android Open Source Project
- *
- * 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 androidx.datastore.core
-
-import kotlinx.coroutines.sync.Mutex
-import kotlin.contracts.ExperimentalContracts
-import kotlin.contracts.InvocationKind
-import kotlin.contracts.contract
-
-/**
- * Provide similar functionality of {@link kotlinx.coroutines.sync.Mutex#withLock} but don't
- * wait for the lock if unavailable, instead it passes a Boolean into the [block] lambda to
- * indicate if it is able to get the lock and run [block] immediately.
- *
- * [block] is guaranteed to be called once and only once by this function.
- */
-@ExperimentalContracts
-internal inline fun <R> Mutex.withTryLock(owner: Any? = null, block: (Boolean) -> R): R {
-    contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    }
-    val locked: Boolean = tryLock(owner)
-    try {
-        return block(locked)
-    } finally {
-        if (locked) {
-            unlock(owner)
-        }
-    }
-}
diff --git a/composeApp/src/commonMain/kotlin/androidx/datastore/core/SingleProcessCoordinator.kt b/composeApp/src/commonMain/kotlin/androidx/datastore/core/SingleProcessCoordinator.kt
deleted file mode 100644
index 8d2d682..0000000
--- a/composeApp/src/commonMain/kotlin/androidx/datastore/core/SingleProcessCoordinator.kt
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * This file is part of Fhraise.
- * Copyright (c) 2024 HSAS Foodies. All Rights Reserved.
- *
- * Fhraise is free software: you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
- *
- * Fhraise is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with Fhraise. If not, see <https://www.gnu.org/licenses/>.
- */
-
-/*
- * Copyright 2023 The Android Open Source Project
- *
- * 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 androidx.datastore.core
-
-import kotlinx.atomicfu.atomic
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flow
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-import kotlin.contracts.ExperimentalContracts
-
-/**
- * SingleProcessCoordinator does coordination within a single process. It is used as the default
- * [InterProcessCoordinator] immplementation unless otherwise specified.
- */
-internal class SingleProcessCoordinator(
-    /** The canonical file path of the file managed by [SingleProcessCoordinator]. */
-    private val filePath: String
-) : InterProcessCoordinator {
-    private val mutex = Mutex()
-    private var version by atomic(0)
-
-    override val updateNotifications: Flow<Unit> = flow {}
-
-    // run block with the exclusive lock
-    override suspend fun <T> lock(block: suspend () -> T): T {
-        return mutex.withLock {
-            block()
-        }
-    }
-
-    // run block with an attempt to get the exclusive lock, still run even if
-    // attempt fails. Pass a boolean to indicate if the attempt succeeds.
-    @OptIn(ExperimentalContracts::class) // withTryLock
-    override suspend fun <T> tryLock(block: suspend (Boolean) -> T): T {
-        return mutex.withTryLock {
-            block(it)
-        }
-    }
-
-    // get the current version
-    override suspend fun getVersion(): Int = version
-
-    // increment version and return the new one
-    override suspend fun incrementAndGetVersion(): Int = ++version
-}