diff --git a/mobile/android/base/Makefile.in b/mobile/android/base/Makefile.in
index 5cacad8930df..fa6725e3d880 100644
--- a/mobile/android/base/Makefile.in
+++ b/mobile/android/base/Makefile.in
@@ -591,12 +591,6 @@ MOZ_ANDROID_DRAWABLES += \
   mobile/android/base/resources/drawable/progress_spinner_10.png                \
   mobile/android/base/resources/drawable/progress_spinner_11.png                \
   mobile/android/base/resources/drawable/progress_spinner_12.png                \
-  mobile/android/base/resources/drawable/progress_spinner_13.png                \
-  mobile/android/base/resources/drawable/progress_spinner_14.png                \
-  mobile/android/base/resources/drawable/progress_spinner_15.png                \
-  mobile/android/base/resources/drawable/progress_spinner_16.png                \
-  mobile/android/base/resources/drawable/progress_spinner_17.png                \
-  mobile/android/base/resources/drawable/progress_spinner_18.png                \
   mobile/android/base/resources/drawable/remote_tabs_group_bg_repeat.xml        \
   mobile/android/base/resources/drawable/start.png                              \
   mobile/android/base/resources/drawable/site_security_level.xml                \
diff --git a/mobile/android/base/resources/drawable/progress_spinner.xml b/mobile/android/base/resources/drawable/progress_spinner.xml
index 6188797aead0..937cbfab0fe0 100644
--- a/mobile/android/base/resources/drawable/progress_spinner.xml
+++ b/mobile/android/base/resources/drawable/progress_spinner.xml
@@ -6,23 +6,17 @@
 <animation-list xmlns:android="http://schemas.android.com/apk/res/android"
                 android:oneshot="false">
 
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_1"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_2"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_3"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_4"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_5"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_6"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_7"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_8"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_9"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_10"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_11"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_12"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_13"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_14"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_15"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_16"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_17"/>
-    <item android:duration="50" android:drawable="@drawable/progress_spinner_18"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_1"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_2"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_3"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_4"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_5"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_6"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_7"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_8"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_9"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_10"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_11"/>
+    <item android:duration="100" android:drawable="@drawable/progress_spinner_12"/>
 
 </animation-list>
diff --git a/mobile/android/base/resources/drawable/progress_spinner_1.png b/mobile/android/base/resources/drawable/progress_spinner_1.png
index d25d57623dbb..6b543a96b659 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_1.png and b/mobile/android/base/resources/drawable/progress_spinner_1.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_10.png b/mobile/android/base/resources/drawable/progress_spinner_10.png
index ba373546909d..91bdec6342d1 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_10.png and b/mobile/android/base/resources/drawable/progress_spinner_10.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_11.png b/mobile/android/base/resources/drawable/progress_spinner_11.png
index bfe3b8826bb5..7f3d12ddeb92 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_11.png and b/mobile/android/base/resources/drawable/progress_spinner_11.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_12.png b/mobile/android/base/resources/drawable/progress_spinner_12.png
index 10e78e3f0739..c7b271592af6 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_12.png and b/mobile/android/base/resources/drawable/progress_spinner_12.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_13.png b/mobile/android/base/resources/drawable/progress_spinner_13.png
deleted file mode 100644
index 1accac6dbe7d..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_13.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_14.png b/mobile/android/base/resources/drawable/progress_spinner_14.png
deleted file mode 100644
index b28bc848091e..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_14.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_15.png b/mobile/android/base/resources/drawable/progress_spinner_15.png
deleted file mode 100644
index a9b4a9665894..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_15.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_16.png b/mobile/android/base/resources/drawable/progress_spinner_16.png
deleted file mode 100644
index 52d8d54ff882..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_16.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_17.png b/mobile/android/base/resources/drawable/progress_spinner_17.png
deleted file mode 100644
index e9f6ab6b6132..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_17.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_18.png b/mobile/android/base/resources/drawable/progress_spinner_18.png
deleted file mode 100644
index 70a6181d2df4..000000000000
Binary files a/mobile/android/base/resources/drawable/progress_spinner_18.png and /dev/null differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_2.png b/mobile/android/base/resources/drawable/progress_spinner_2.png
index 859c60bd7b96..709c9fa2f21c 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_2.png and b/mobile/android/base/resources/drawable/progress_spinner_2.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_3.png b/mobile/android/base/resources/drawable/progress_spinner_3.png
index 9a8663b1652d..d5ded1e253f1 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_3.png and b/mobile/android/base/resources/drawable/progress_spinner_3.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_4.png b/mobile/android/base/resources/drawable/progress_spinner_4.png
index 99c5317f38a6..f3e1dd9b9b8f 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_4.png and b/mobile/android/base/resources/drawable/progress_spinner_4.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_5.png b/mobile/android/base/resources/drawable/progress_spinner_5.png
index ed32ea733e20..f2283efbf977 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_5.png and b/mobile/android/base/resources/drawable/progress_spinner_5.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_6.png b/mobile/android/base/resources/drawable/progress_spinner_6.png
index f54f9bd2bf35..413fe939e5f5 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_6.png and b/mobile/android/base/resources/drawable/progress_spinner_6.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_7.png b/mobile/android/base/resources/drawable/progress_spinner_7.png
index 1019951cb245..5386d592a9de 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_7.png and b/mobile/android/base/resources/drawable/progress_spinner_7.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_8.png b/mobile/android/base/resources/drawable/progress_spinner_8.png
index 7b53264c93ca..db7d794f8ba5 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_8.png and b/mobile/android/base/resources/drawable/progress_spinner_8.png differ
diff --git a/mobile/android/base/resources/drawable/progress_spinner_9.png b/mobile/android/base/resources/drawable/progress_spinner_9.png
index 86babe4ff07f..617a77c05bc0 100644
Binary files a/mobile/android/base/resources/drawable/progress_spinner_9.png and b/mobile/android/base/resources/drawable/progress_spinner_9.png differ