diff --git a/vector/src/main/java/im/vector/app/features/themes/ThemeUtils.kt b/vector/src/main/java/im/vector/app/features/themes/ThemeUtils.kt
index 35e26bb1df..ef806b55b4 100644
--- a/vector/src/main/java/im/vector/app/features/themes/ThemeUtils.kt
+++ b/vector/src/main/java/im/vector/app/features/themes/ThemeUtils.kt
@@ -164,44 +164,6 @@ object ThemeUtils {
         return null
     }
 
-    /**
-     * Get the resource Id applied to the current theme
-     *
-     * @param c          the context
-     * @param resourceId the resource id in the light theme
-     * @return the resource Id for the current theme
-     */
-    // TODO Now that we are API 21, this is not necessary anymore
-    fun getResourceId(c: Context, resourceId: Int): Int {
-        val theme = getApplicationTheme(c)
-
-        return when (theme) {
-            THEME_LIGHT_VALUE -> resourceId
-            THEME_DARK_VALUE  -> {
-                return when (resourceId) {
-                    R.drawable.bg_search_edit_text_light -> R.drawable.bg_search_edit_text_dark
-                    else                                 -> {
-                        Timber.w("Warning, missing case for wanted drawable in dark theme")
-                        resourceId
-                    }
-                }
-            }
-            THEME_BLACK_VALUE -> {
-                return when (resourceId) {
-                    R.drawable.bg_search_edit_text_light -> R.drawable.bg_search_edit_text_black
-                    else                                 -> {
-                        Timber.w("Warning, missing case for wanted drawable in black theme")
-                        resourceId
-                    }
-                }
-            }
-            else              -> {
-                Timber.w("Warning, missing theme: $theme")
-                resourceId
-            }
-        }
-    }
-
     /**
      * Update the menu icons colors
      *
diff --git a/vector/src/main/res/drawable/bg_search_edit_text_black.xml b/vector/src/main/res/drawable/bg_search_edit_text_black.xml
deleted file mode 100644
index 741e3c031c..0000000000
--- a/vector/src/main/res/drawable/bg_search_edit_text_black.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/riotx_search_background_mobile_black" />
-    <corners android:radius="4dp" />
-</shape>
\ No newline at end of file
diff --git a/vector/src/main/res/drawable/bg_search_edit_text_dark.xml b/vector/src/main/res/drawable/bg_search_edit_text_dark.xml
deleted file mode 100644
index d65c331ed2..0000000000
--- a/vector/src/main/res/drawable/bg_search_edit_text_dark.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/riotx_search_background_mobile_dark" />
-    <corners android:radius="4dp" />
-</shape>
\ No newline at end of file
diff --git a/vector/src/main/res/drawable/bg_search_edit_text_light.xml b/vector/src/main/res/drawable/bg_search_edit_text_light.xml
deleted file mode 100644
index ba0da29660..0000000000
--- a/vector/src/main/res/drawable/bg_search_edit_text_light.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/riotx_search_background_mobile_light" />
-    <corners android:radius="4dp" />
-</shape>
\ No newline at end of file