diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index d51d5c4..495c98b 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -231,9 +231,6 @@
          rotations as the default behavior. -->
     <bool name="config_allowAllRotations">true</bool>
 
-    <!-- Flag indicating if the speed up audio on mt call code should be executed -->
-    <bool name="config_speed_up_audio_on_mt_calls">true</bool>
-
     <!-- Whether the Unprocessed audio source supports the required frequency range and level -->
     <bool name="config_supportAudioSourceUnprocessed">true</bool>