diff --git a/app/build.gradle b/app/build.gradle
index ba479b8f..02562b47 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -52,7 +52,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.20.6'
+    implementation 'com.simplemobiletools:commons:5.21.0'
     implementation 'com.github.Stericson:RootTools:df729dcb13'
     implementation 'com.github.Stericson:RootShell:1.6'
     implementation 'com.alexvasilkov:gesture-views:2.5.2'
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ItemsAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ItemsAdapter.kt
index 4eb34cb6..fff8a462 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ItemsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ItemsAdapter.kt
@@ -117,6 +117,10 @@ class ItemsAdapter(activity: SimpleActivity, var listItems: MutableList<ListItem
 
     override fun getItemKeyPosition(key: Int) = listItems.indexOfFirst { it.path.hashCode() == key }
 
+    override fun onActionModeCreated() {}
+
+    override fun onActionModeDestroyed() {}
+
     override fun getItemViewType(position: Int): Int {
         return if (listItems[position].isSectionTitle) {
             TYPE_SECTION
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ManageFavoritesAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ManageFavoritesAdapter.kt
index cdb8a246..43801fe3 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ManageFavoritesAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/adapters/ManageFavoritesAdapter.kt
@@ -37,6 +37,10 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
 
     override fun getItemKeyPosition(key: Int) = favorites.indexOfFirst { it.hashCode() == key }
 
+    override fun onActionModeCreated() {}
+
+    override fun onActionModeDestroyed() {}
+
     override fun prepareActionMode(menu: Menu) {}
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.item_manage_favorite, parent)
@@ -64,7 +68,7 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
 
     private fun removeSelection() {
         val removeFavorites = ArrayList<String>(selectedKeys.size)
-        val positions = java.util.ArrayList<Int>()
+        val positions = ArrayList<Int>()
         selectedKeys.forEach {
             val key = it
             val position = favorites.indexOfFirst { it.hashCode() == key }
diff --git a/build.gradle b/build.gradle
index 684c611c..969a4007 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong