diff --git a/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_dark.xml b/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_dark.xml
deleted file mode 100644
index 088d70f1..00000000
--- a/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_dark.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24"
-    android:tint="#FFFFFF"
-    android:alpha="0.8">
-  <path
-      android:fillColor="@android:color/white"
-      android:pathData="M4,12l1.41,1.41L11,7.83V20h2V7.83l5.58,5.59L20,12l-8,-8 -8,8z"/>
-</vector>
diff --git a/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_light.xml b/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_light.xml
deleted file mode 100644
index 5703c0c9..00000000
--- a/uhabits-android/src/main/res/drawable-anydpi/ic_arrow_up_light.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24"
-    android:tint="#333333"
-    android:alpha="0.6">
-  <path
-      android:fillColor="@android:color/white"
-      android:pathData="M4,12l1.41,1.41L11,7.83V20h2V7.83l5.58,5.59L20,12l-8,-8 -8,8z"/>
-</vector>
diff --git a/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_dark.png b/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_dark.png
deleted file mode 100644
index ecaca87d..00000000
Binary files a/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_dark.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_light.png b/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_light.png
deleted file mode 100644
index a7f677ab..00000000
Binary files a/uhabits-android/src/main/res/drawable-hdpi/ic_arrow_up_light.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-hdpi/ic_colorpicker_swatch_selected.png b/uhabits-android/src/main/res/drawable-hdpi/ic_colorpicker_swatch_selected.png
deleted file mode 100644
index 3cbfe1a8..00000000
Binary files a/uhabits-android/src/main/res/drawable-hdpi/ic_colorpicker_swatch_selected.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-hdpi/ic_notification.png b/uhabits-android/src/main/res/drawable-hdpi/ic_notification.png
deleted file mode 100644
index 7732cf99..00000000
Binary files a/uhabits-android/src/main/res/drawable-hdpi/ic_notification.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_dark.png b/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_dark.png
deleted file mode 100644
index 55245b75..00000000
Binary files a/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_dark.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_light.png b/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_light.png
deleted file mode 100644
index 9b95c85b..00000000
Binary files a/uhabits-android/src/main/res/drawable-mdpi/ic_arrow_up_light.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-mdpi/ic_colorpicker_swatch_selected.png b/uhabits-android/src/main/res/drawable-mdpi/ic_colorpicker_swatch_selected.png
deleted file mode 100644
index acbdecac..00000000
Binary files a/uhabits-android/src/main/res/drawable-mdpi/ic_colorpicker_swatch_selected.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-mdpi/ic_notification.png b/uhabits-android/src/main/res/drawable-mdpi/ic_notification.png
deleted file mode 100644
index 062788bd..00000000
Binary files a/uhabits-android/src/main/res/drawable-mdpi/ic_notification.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_dark.png b/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_dark.png
deleted file mode 100644
index f07abec9..00000000
Binary files a/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_dark.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_light.png b/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_light.png
deleted file mode 100644
index 277b1e6f..00000000
Binary files a/uhabits-android/src/main/res/drawable-xhdpi/ic_arrow_up_light.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xhdpi/ic_colorpicker_swatch_selected.png b/uhabits-android/src/main/res/drawable-xhdpi/ic_colorpicker_swatch_selected.png
deleted file mode 100644
index 812ff2c3..00000000
Binary files a/uhabits-android/src/main/res/drawable-xhdpi/ic_colorpicker_swatch_selected.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xhdpi/ic_notification.png b/uhabits-android/src/main/res/drawable-xhdpi/ic_notification.png
deleted file mode 100644
index 99411ad4..00000000
Binary files a/uhabits-android/src/main/res/drawable-xhdpi/ic_notification.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_dark.png b/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_dark.png
deleted file mode 100644
index 1e4054c4..00000000
Binary files a/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_dark.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_light.png b/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_light.png
deleted file mode 100644
index dd4a46c6..00000000
Binary files a/uhabits-android/src/main/res/drawable-xxhdpi/ic_arrow_up_light.png and /dev/null differ
diff --git a/uhabits-android/src/main/res/drawable-xxhdpi/ic_notification.png b/uhabits-android/src/main/res/drawable-xxhdpi/ic_notification.png
deleted file mode 100644
index 5ec39593..00000000
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