diff --git a/vector/lint.xml b/vector/lint.xml
index 21ff01a99b..6d4c4125ef 100644
--- a/vector/lint.xml
+++ b/vector/lint.xml
@@ -7,6 +7,8 @@
     <issue id="TypographyEllipsis" severity="error" />
     <issue id="ImpliedQuantity" severity="warning" />
     <issue id="IconXmlAndPng" severity="error" />
+    <issue id="IconDipSize" severity="error" />
+    <issue id="IconDuplicatesConfig" severity="error" />
 
     <!-- UX -->
     <issue id="ButtonOrder" severity="error" />
diff --git a/vector/src/main/res/drawable-mdpi/ic_material_camera.png b/vector/src/main/res/drawable-mdpi/ic_material_camera.png
deleted file mode 100755
index 78e5bb23ff..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/ic_material_file.png b/vector/src/main/res/drawable-mdpi/ic_material_file.png
deleted file mode 100755
index 64561dd4a4..0000000000
Binary files a/vector/src/main/res/drawable-mdpi/ic_material_file.png and /dev/null differ
diff --git a/vector/src/main/res/drawable-mdpi/ic_material_videocam.png b/vector/src/main/res/drawable-mdpi/ic_material_videocam.png
deleted file mode 100755
index 3153a9b6d4..0000000000
Binary files a/vector/src/main/res/drawable-mdpi/ic_material_videocam.png and /dev/null differ
diff --git a/vector/src/main/res/drawable-mdpi/ic_send_sticker.png b/vector/src/main/res/drawable-mdpi/ic_send_sticker.png
deleted file mode 100644
index a369cbee49..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/vector_cancel_upload_download.png b/vector/src/main/res/drawable-mdpi/vector_cancel_upload_download.png
deleted file mode 100755
index 51b4401ca0..0000000000
Binary files a/vector/src/main/res/drawable-mdpi/vector_cancel_upload_download.png and /dev/null differ
diff --git a/vector/src/main/res/drawable-mdpi/vector_micro_green.png b/vector/src/main/res/drawable-mdpi/vector_micro_green.png
deleted file mode 100755
index 15114b7e71..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/video_call_black.png b/vector/src/main/res/drawable-mdpi/video_call_black.png
deleted file mode 100755
index 0039e804eb..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/video_call_green.png b/vector/src/main/res/drawable-mdpi/video_call_green.png
deleted file mode 100755
index 028ec1e3e3..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/voice_call_black.png b/vector/src/main/res/drawable-mdpi/voice_call_black.png
deleted file mode 100755
index 7c9d1b09c5..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/voice_call_end_fushia.png b/vector/src/main/res/drawable-mdpi/voice_call_end_fushia.png
deleted file mode 100755
index 814aa0017e..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/voice_call_green.png b/vector/src/main/res/drawable-mdpi/voice_call_green.png
deleted file mode 100755
index 7afa5cd118..0000000000
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diff --git a/vector/src/main/res/drawable-mdpi/voice_call_start_green.png b/vector/src/main/res/drawable-mdpi/voice_call_start_green.png
deleted file mode 100755
index b11532ef5a..0000000000
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diff --git a/vector/src/main/res/drawable-xhdpi/ic_send_sticker.png b/vector/src/main/res/drawable-xhdpi/ic_send_sticker.png
deleted file mode 100644
index c17d04e498..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/ic_material_camera.png b/vector/src/main/res/drawable-xxhdpi/ic_material_camera.png
deleted file mode 100755
index 78e5bb23ff..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/ic_material_file.png b/vector/src/main/res/drawable-xxhdpi/ic_material_file.png
deleted file mode 100755
index 64561dd4a4..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/ic_material_videocam.png b/vector/src/main/res/drawable-xxhdpi/ic_material_videocam.png
deleted file mode 100755
index 3153a9b6d4..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/ic_send_sticker.png b/vector/src/main/res/drawable-xxhdpi/ic_send_sticker.png
deleted file mode 100644
index a369cbee49..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/vector_cancel_upload_download.png b/vector/src/main/res/drawable-xxhdpi/vector_cancel_upload_download.png
deleted file mode 100755
index 51b4401ca0..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/vector_micro_green.png b/vector/src/main/res/drawable-xxhdpi/vector_micro_green.png
deleted file mode 100755
index 15114b7e71..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/video_call_black.png b/vector/src/main/res/drawable-xxhdpi/video_call_black.png
deleted file mode 100755
index 0039e804eb..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/video_call_green.png b/vector/src/main/res/drawable-xxhdpi/video_call_green.png
deleted file mode 100755
index 028ec1e3e3..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/voice_call_black.png b/vector/src/main/res/drawable-xxhdpi/voice_call_black.png
deleted file mode 100755
index 7c9d1b09c5..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/voice_call_end_fushia.png b/vector/src/main/res/drawable-xxhdpi/voice_call_end_fushia.png
deleted file mode 100755
index 814aa0017e..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/voice_call_green.png b/vector/src/main/res/drawable-xxhdpi/voice_call_green.png
deleted file mode 100755
index 7afa5cd118..0000000000
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diff --git a/vector/src/main/res/drawable-xxhdpi/voice_call_start_green.png b/vector/src/main/res/drawable-xxhdpi/voice_call_start_green.png
deleted file mode 100755
index b11532ef5a..0000000000
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diff --git a/vector/src/main/res/menu/vector_searches.xml b/vector/src/main/res/menu/vector_searches.xml
deleted file mode 100755
index 542c433272..0000000000
--- a/vector/src/main/res/menu/vector_searches.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:context="org.matrix.vector.activity.RoomActivity">
-
-    <item
-        android:id="@+id/ic_action_speak_to_search"
-        android:icon="@drawable/vector_micro_green"
-        android:title="@string/speak"
-        app:showAsAction="always" />
-
-    <item
-        android:id="@+id/ic_action_clear_search"
-        android:icon="@drawable/vector_clear_edittext_green"
-        android:title="@string/clear"
-        app:showAsAction="always" />
-</menu>