diff --git a/app/src/test/java/com/androiddevs/shoppinglisttestingyt/MainCoroutineRule.kt b/app/src/test/java/com/androiddevs/shoppinglisttestingyt/MainCoroutineRule.kt
index f98629d..38a4f5e 100644
--- a/app/src/test/java/com/androiddevs/shoppinglisttestingyt/MainCoroutineRule.kt
+++ b/app/src/test/java/com/androiddevs/shoppinglisttestingyt/MainCoroutineRule.kt
@@ -3,26 +3,24 @@ package com.androiddevs.shoppinglisttestingyt
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.test.TestCoroutineDispatcher
-import kotlinx.coroutines.test.TestCoroutineScope
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
 import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.setMain
 import org.junit.rules.TestWatcher
 import org.junit.runner.Description
 
-@ExperimentalCoroutinesApi
-class MainCoroutineRule(
-    private val dispatcher: CoroutineDispatcher = TestCoroutineDispatcher()
-) : TestWatcher(), TestCoroutineScope by TestCoroutineScope(dispatcher) {
+@OptIn(ExperimentalCoroutinesApi::class)
+class MainCoroutineRule  constructor(
+    private val dispatcher: CoroutineDispatcher = UnconfinedTestDispatcher()
+) : TestWatcher() {
 
-    override fun starting(description: Description?) {
+    override fun starting(description: Description) {
         super.starting(description)
         Dispatchers.setMain(dispatcher)
     }
 
-    override fun finished(description: Description?) {
+    override fun finished(description: Description) {
         super.finished(description)
-        cleanupTestCoroutines()
         Dispatchers.resetMain()
     }
-}
\ No newline at end of file
+}