diff --git a/java/com/android/dialer/glidephotomanager/impl/GlidePhotoManagerImpl.java b/java/com/android/dialer/glidephotomanager/impl/GlidePhotoManagerImpl.java
index 20d379c..c6d9205 100644
--- a/java/com/android/dialer/glidephotomanager/impl/GlidePhotoManagerImpl.java
+++ b/java/com/android/dialer/glidephotomanager/impl/GlidePhotoManagerImpl.java
@@ -65,6 +65,9 @@
   }
 
   private GlideRequest<Drawable> buildRequest(GlideRequests requestManager, PhotoInfo photoInfo) {
+    // Warning: Glide ignores extra attributes on BitmapDrawable such as tint and draw the bitmap
+    // directly so be sure not to set tint in the XML of any drawable referenced below.
+
     // The spam status takes precedence over whether the number is blocked.
     if (photoInfo.isSpam()) {
       return requestManager.load(R.drawable.ic_report_red_48dp);
diff --git a/java/com/android/dialer/glidephotomanager/impl/res/drawable-xxxhdpi/ic_block_black_48dp.png b/java/com/android/dialer/glidephotomanager/impl/res/drawable-xxxhdpi/ic_block_black_48dp.png
deleted file mode 100644
index 1168bd8..0000000
--- a/java/com/android/dialer/glidephotomanager/impl/res/drawable-xxxhdpi/ic_block_black_48dp.png
+++ /dev/null
Binary files differ
diff --git a/java/com/android/dialer/glidephotomanager/impl/res/drawable/ic_block_grey_48dp.xml b/java/com/android/dialer/glidephotomanager/impl/res/drawable/ic_block_grey_48dp.xml
index 42cfa99..9d2fb36 100644
--- a/java/com/android/dialer/glidephotomanager/impl/res/drawable/ic_block_grey_48dp.xml
+++ b/java/com/android/dialer/glidephotomanager/impl/res/drawable/ic_block_grey_48dp.xml
@@ -12,6 +12,13 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
-    android:src="@drawable/ic_block_black_48dp"
-    android:tint="#757575" />
\ No newline at end of file
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path android:pathData="M0 0h24v24H0z"/>
+  <path
+      android:fillColor="#757575"
+      android:pathData="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zM4 12c0-4.42 3.58-8 8-8 1.85 0 3.55.63 4.9 1.69L5.69 16.9C4.63 15.55 4 13.85 4 12zm8 8c-1.85 0-3.55-.63-4.9-1.69L18.31 7.1C19.37 8.45 20 10.15 20 12c0 4.42-3.58 8-8 8z"/>
+</vector>
\ No newline at end of file