diff --git a/app/build.gradle b/app/build.gradle
index 018457ac0..ff39b36b2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.3.5'
+    compile 'com.simplemobiletools:commons:2.3.7'
     compile 'joda-time:joda-time:2.9.1'
     compile 'com.facebook.stetho:stetho:1.4.1'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
index a976ba4b2..821962971 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
@@ -95,5 +95,5 @@ private fun getNotificationIntent(context: Context, eventId: Int): PendingIntent
 }
 
 fun Context.getAppropriateTheme(): Int {
-    return if (Config.newInstance(this).backgroundColor.getContrastColor() == Color.WHITE) R.style.DialogTheme_Dark else R.style.DialogTheme
+    return if (Config.newInstance(this).backgroundColor.getContrastColor() == Color.WHITE) R.style.MyDialogTheme_Dark else R.style.MyDialogTheme
 }
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
index 9a58aeafa..33cef7a62 100644
--- a/app/src/main/res/values-v21/styles.xml
+++ b/app/src/main/res/values-v21/styles.xml
@@ -8,13 +8,4 @@
         <item name="android:background">?android:attr/selectableItemBackground</item>
     </style>
 
-    <style name="DialogTheme" parent="Theme.AppCompat.Light.Dialog">
-        <item name="colorAccent">@color/color_primary</item>
-    </style>
-
-    <style name="DialogTheme.Dark" parent="Theme.AppCompat.Dialog">
-        <item name="colorAccent">@color/color_primary</item>
-        <item name="android:windowBackground">@color/default_background_color_dark_theme</item>
-    </style>
-
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index a8c6b1739..5260c5b62 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -15,15 +15,4 @@
     <style name="MonthStyle">
         <item name="android:background">@drawable/transparent_button</item>
     </style>
-
-    <style name="DialogTheme" parent="Theme.AppCompat.Light.Dialog">
-        <item name="colorAccent">@color/color_primary</item>
-        <item name="android:windowBackground">@android:color/transparent</item>
-    </style>
-
-    <style name="DialogTheme.Dark" parent="Theme.AppCompat.Dialog">
-        <item name="colorAccent">@color/color_primary</item>
-        <item name="android:windowBackground">@android:color/transparent</item>
-        <item name="android:colorBackground">@color/default_background_color_dark_theme</item>
-    </style>
 </resources>