diff --git a/app/build.gradle b/app/build.gradle
index b547641ed..016396fd4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.13.4'
+    compile 'com.simplemobiletools:commons:2.13.5'
     compile 'com.theartofdev.edmodo:android-image-cropper:2.3.1'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
     compile 'com.google.code.gson:gson:2.8.0'
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt
index 97e62c430..7c5262f7c 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt
@@ -22,13 +22,6 @@ val INCLUDED_FOLDERS = "included_folders"
 
 val NOMEDIA = ".nomedia"
 
-// sorting
-val SORT_BY_NAME = 1
-val SORT_BY_DATE_MODIFIED = 2
-val SORT_BY_SIZE = 4
-val SORT_BY_DATE_TAKEN = 8
-val SORT_DESCENDING = 1024
-
 val DIRECTORY = "directory"
 val MEDIUM = "medium"
 val GET_IMAGE_INTENT = "get_image_intent"