--- a/b2g/app/b2g.js
+++ b/b2g/app/b2g.js
@@ -294,20 +294,20 @@ pref("editor.singleLine.pasteNewlines", 
 // The names of the preferences are to be in sync with EventStateManager.cpp
 pref("ui.dragThresholdX", 25);
 pref("ui.dragThresholdY", 25);
 
 // Layers Acceleration.  We can only have nice things on gonk, because
 // they're not maintained anywhere else.
 #ifndef MOZ_WIDGET_GONK
 pref("dom.ipc.tabs.disabled", true);
+pref("layers.async-pan-zoom.enabled", false);
 #else
 pref("dom.ipc.tabs.disabled", false);
 pref("layers.acceleration.disabled", false);
-pref("layers.async-pan-zoom.enabled", true);
 pref("gfx.content.azure.backends", "cairo");
 #endif
 
 // Web Notifications
 pref("notification.feature.enabled", true);
 
 // prevent video elements from preloading too much data
 pref("media.preload.default", 1); // default to preload none

--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1361,20 +1361,16 @@ pref("browser.tabs.remote.autostart.2", 
 #endif
 
 // For the about:tabcrashed page
 pref("browser.tabs.crashReporting.sendReport", true);
 pref("browser.tabs.crashReporting.includeURL", false);
 pref("browser.tabs.crashReporting.emailMe", false);
 pref("browser.tabs.crashReporting.email", "");
 
-#ifndef MOZ_MULET
-pref("layers.async-pan-zoom.enabled", true);
-#endif
-
 // Enable e10s add-on interposition by default.
 pref("extensions.interposition.enabled", true);
 pref("extensions.interposition.prefetching", true);
 
 // Enable blocking of e10s for add-on users on beta/release.
 #ifdef RELEASE_BUILD
 pref("extensions.e10sBlocksEnabling", true);
 #endif

--- a/mobile/android/app/mobile.js
+++ b/mobile/android/app/mobile.js
@@ -555,18 +555,20 @@ pref("editor.singleLine.pasteNewlines", 
 // threshold where a tap becomes a drag, in 1/240" reference pixels
 // The names of the preferences are to be in sync with EventStateManager.cpp
 pref("ui.dragThresholdX", 25);
 pref("ui.dragThresholdY", 25);
 
 pref("layers.acceleration.disabled", false);
 pref("layers.async-video.enabled", true);
 
-#ifdef MOZ_ANDROID_APZ
-pref("layers.async-pan-zoom.enabled", true);
+#ifndef MOZ_ANDROID_APZ
+pref("layers.async-pan-zoom.enabled", false);
+#endif
+
 pref("apz.content_response_timeout", 600);
 pref("apz.allow_immediate_handoff", false);
 pref("apz.touch_start_tolerance", "0.06");
 pref("apz.axis_lock.breakout_angle", "0.7853982");    // PI / 4 (45 degrees)
 // APZ physics settings reviewed by UX
 pref("apz.axis_lock.mode", 1); // Use "strict" axis locking
 pref("apz.fling_curve_function_x1", "0.59");
 pref("apz.fling_curve_function_y1", "0.46");
@@ -574,17 +576,16 @@ pref("apz.fling_curve_function_x2", "0.0
 pref("apz.fling_curve_function_y2", "1.00");
 pref("apz.fling_curve_threshold_inches_per_ms", "0.01");
 // apz.fling_friction and apz.fling_stopped_threshold are currently ignored by Fennec.
 pref("apz.fling_friction", "0.004");
 pref("apz.fling_stopped_threshold", "0.0");
 pref("apz.max_velocity_inches_per_ms", "0.07");
 pref("apz.fling_accel_interval_ms", 750);
 pref("apz.overscroll.enabled", true);
-#endif
 
 pref("layers.progressive-paint", true);
 pref("layers.low-precision-buffer", true);
 pref("layers.low-precision-resolution", "0.25");
 pref("layers.low-precision-opacity", "1.0");
 // We want to limit layers for two reasons:
 // 1) We can't scroll smoothly if we have to many draw calls
 // 2) Pages that have too many layers consume too much memory and crash.

--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -574,21 +574,17 @@ pref("media.video-queue.send-to-composit
 
 // Whether to disable the video stats to prevent fingerprinting
 pref("media.video_stats.enabled", true);
 
 // Weather we allow AMD switchable graphics
 pref("layers.amd-switchable-gfx.enabled", true);
 
 // Whether to use async panning and zooming
-pref("layers.async-pan-zoom.enabled", false);
-
-#ifdef MOZ_WIDGET_UIKIT
 pref("layers.async-pan-zoom.enabled", true);
-#endif
 
 // Whether to enable event region building during painting
 pref("layout.event-regions.enabled", false);
 
 // APZ preferences. For documentation/details on what these prefs do, check
 // gfx/layers/apz/src/AsyncPanZoomController.cpp.
 pref("apz.allow_checkerboarding", true);
 pref("apz.allow_immediate_handoff", true);