diff --git a/app/build.gradle b/app/build.gradle
index b50c87f..d789e7e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -37,7 +37,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.30.9'
+    compile 'com.simplemobiletools:commons:2.31.0'
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
diff --git a/app/src/main/res/drawable-hdpi/ic_save.png b/app/src/main/res/drawable-hdpi/ic_save.png
deleted file mode 100644
index dd3f106..0000000
Binary files a/app/src/main/res/drawable-hdpi/ic_save.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_save.png b/app/src/main/res/drawable-xhdpi/ic_save.png
deleted file mode 100644
index adda095..0000000
Binary files a/app/src/main/res/drawable-xhdpi/ic_save.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_save.png b/app/src/main/res/drawable-xxhdpi/ic_save.png
deleted file mode 100644
index 3e0ce1a..0000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_save.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_save.png b/app/src/main/res/drawable-xxxhdpi/ic_save.png
deleted file mode 100644
index bd80bf1..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_save.png and /dev/null differ