diff --git a/KtExt/build.gradle b/KtExt/build.gradle
index 99c5e5c..75e1ccf 100644
--- a/KtExt/build.gradle
+++ b/KtExt/build.gradle
@@ -35,7 +35,5 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:1.3.0"
-    implementation "androidx.appcompat:appcompat:1.3.0"
-    implementation 'com.google.android.material:material:1.3.0'
-    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.4.0-alpha02"
+    implementation "androidx.appcompat:appcompat:1.3.1"
 }
\ No newline at end of file
diff --git a/KtExt/src/main/java/com/thuanpx/ktext/context/ActivityExt.kt b/KtExt/src/main/java/com/thuanpx/ktext/context/ActivityExt.kt
index 2a2d0db..0c917c4 100644
--- a/KtExt/src/main/java/com/thuanpx/ktext/context/ActivityExt.kt
+++ b/KtExt/src/main/java/com/thuanpx/ktext/context/ActivityExt.kt
@@ -17,37 +17,15 @@ import androidx.annotation.NonNull
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.LifecycleOwner
-import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.repeatOnLifecycle
 import com.thuanpx.ktext.AnimationType
 import com.thuanpx.ktext.Constant
 import com.thuanpx.ktext.SLIDE_TO_LEFT
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.launch
 import kotlin.reflect.KClass
 
 /**
  * Created by ThuanPx on 3/15/20.
  */
 
-/**
- * Launches a new coroutine and repeats `block` every time the Activity's viewLifecycleOwner
- * is in and out of `minActiveState` lifecycle state.
- * Source: https://medium.com/androiddevelopers/repeatonlifecycle-api-design-story-8670d1a7d333
- */
-inline fun FragmentActivity.launchAndRepeatWithViewLifecycle(
-    minActiveState: Lifecycle.State = Lifecycle.State.STARTED,
-    crossinline block: suspend CoroutineScope.() -> Unit
-) {
-    this.lifecycleScope.launch {
-        this@launchAndRepeatWithViewLifecycle.lifecycle.repeatOnLifecycle(minActiveState) {
-            block()
-        }
-    }
-}
 
 fun <T : Activity> FragmentActivity.goTo(
     cls: KClass<T>,
diff --git a/KtExt/src/main/java/com/thuanpx/ktext/context/FragmentExt.kt b/KtExt/src/main/java/com/thuanpx/ktext/context/FragmentExt.kt
index a198e29..a4e1633 100644
--- a/KtExt/src/main/java/com/thuanpx/ktext/context/FragmentExt.kt
+++ b/KtExt/src/main/java/com/thuanpx/ktext/context/FragmentExt.kt
@@ -8,32 +8,12 @@ import androidx.annotation.IdRes
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentTransaction
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.lifecycleScope
-import androidx.lifecycle.repeatOnLifecycle
 import com.thuanpx.ktext.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.launch
 
 /**
  * Created by ThuanPx on 3/15/20.
  */
 
-/**
- * Launches a new coroutine and repeats `block` every time the Fragment's viewLifecycleOwner
- * is in and out of `minActiveState` lifecycle state.*
- * Source: https://medium.com/androiddevelopers/repeatonlifecycle-api-design-story-8670d1a7d333
- */
-inline fun Fragment.launchAndRepeatWithViewLifecycle(
-    minActiveState: Lifecycle.State = Lifecycle.State.STARTED,
-    crossinline block: suspend CoroutineScope.() -> Unit
-) {
-    viewLifecycleOwner.lifecycleScope.launch {
-        viewLifecycleOwner.lifecycle.repeatOnLifecycle(minActiveState) {
-            block()
-        }
-    }
-}
 
 fun Fragment.replaceFragment(
     @IdRes containerId: Int,
diff --git a/app/build.gradle b/app/build.gradle
index 937f6c9..2c227e1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,6 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:1.3.0"
-    implementation "androidx.appcompat:appcompat:1.3.0"
-    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.4.0-alpha02"
+    implementation "androidx.appcompat:appcompat:1.3.1"
     implementation project(':KtExt')
 }
\ No newline at end of file