diff --git a/app/build.gradle b/app/build.gradle
index a7093d23..ef5baa8e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,7 +4,7 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion "27.0.1"
+    buildToolsVersion "27.0.2"
 
     defaultConfig {
         applicationId "com.simplemobiletools.filemanager"
@@ -42,7 +42,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.2'
+    implementation 'com.simplemobiletools:commons:3.3.12'
 
     implementation files('../libs/RootTools.jar')
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
index 422ea9df..e187806b 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
@@ -103,8 +103,6 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
         fileDrawable.alpha = 180
     }
 
-    private fun isOneItemSelected() = selectedPositions.size == 1
-
     private fun isOneFileSelected() = isOneItemSelected() && !fileDirItems[selectedPositions.first()].isDirectory
 
     private fun confirmSelection() {
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index fc2ebc5d..37345a08 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -85,7 +85,7 @@
                 android:clickable="false"
                 android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
-                android:text="@string/show_hidden"/>
+                android:text="@string/show_hidden_items"/>
 
         </RelativeLayout>