diff --git a/css/structure/jquery.mobile.transitions.css b/css/structure/jquery.mobile.transitions.css
index 819c3ade..7bccb841 100644
--- a/css/structure/jquery.mobile.transitions.css
+++ b/css/structure/jquery.mobile.transitions.css
@@ -18,16 +18,4 @@
 	-webkit-animation-duration: 225ms;
 	-moz-animation-timing-function: ease-in;
 	-moz-animation-duration: 225;
-}
-
-
-/* a dummy transition to override animations in non-3D browsers */
-
-@-webkit-keyframes nofade {
-    from { outline:0; }
-    to { outline:0; }
-}
-@-moz-keyframes nofade {
-    from { outline:0; }
-    to { outline:0; }
 }
\ No newline at end of file
diff --git a/css/structure/jquery.mobile.transitions.flip.css b/css/structure/jquery.mobile.transitions.flip.css
index 4bfec34d..adafe1d1 100644
--- a/css/structure/jquery.mobile.transitions.flip.css
+++ b/css/structure/jquery.mobile.transitions.flip.css
@@ -5,44 +5,42 @@
  * value.
  */
 
-.ui-supported-csstransform3d .viewport-flip {
+.viewport-flip {
 	-webkit-perspective: 1000;
 	-moz-perspective: 1000;
 	position: absolute;
 }
-.ui-supported-csstransform3d .flip {
+.flip {
 	-webkit-backface-visibility:hidden;
 	-webkit-transform:translateX(0); /* Needed to work around an iOS 3.1 bug that causes listview thumbs to disappear when -webkit-visibility:hidden is used. */
 	-moz-backface-visibility:hidden;
 	-moz-transform:translateX(0); /* Needed to work around an iOS 3.1 bug that causes listview thumbs to disappear when -webkit-visibility:hidden is used. */
 }
 
-.ui-supported-csstransform3d .flip.out {
+.flip.out {
 	-webkit-transform: rotateY(-90deg) scale(.9);
 	-webkit-animation-name: flipouttoleft;
 	-moz-transform: rotateY(-90deg) scale(.9);
 	-moz-animation-name: flipouttoleft;
 }
 
-.ui-supported-csstransform3d .flip.in {
+.flip.in {
 	-webkit-animation-name: flipintoright;
 	-moz-animation-name: flipintoright;
 }
 
-.ui-supported-csstransform3d .flip.out.reverse {
+.flip.out.reverse {
 	-webkit-transform: rotateY(90deg) scale(.9);
 	-webkit-animation-name: flipouttoright;
 	-moz-transform: rotateY(90deg) scale(.9);
 	-moz-animation-name: flipouttoright;
 }
 
-.ui-supported-csstransform3d .flip.in.reverse {
+.flip.in.reverse {
 	-webkit-animation-name: flipintoleft;
 	-moz-animation-name: flipintoleft;
 }
 
-
-
 @-webkit-keyframes flipouttoleft {
     from { -webkit-transform: rotateY(0); }
     to { -webkit-transform: rotateY(-90deg) scale(.9); }
@@ -74,25 +72,4 @@
 @-moz-keyframes flipintoright {
     from { -moz-transform: rotateY(90deg) scale(.9); }
     to { -moz-transform: rotateY(0); }
-}
-
-
-
-/* for non-3d supporting browsers, fallback to fade */
-.ui-unsupported-csstransform3d .flip.out,
-.ui-unsupported-csstransform3d .flip.out.reverse {
-	opacity: 0;
-	-webkit-animation-duration: 150ms;
-	-webkit-animation-name: fadeout;
-	-moz-animation-duration: 150ms;
-	-moz-animation-name: fadeout;
-}
-
-.ui-unsupported-csstransform3d .flip.in,
-.ui-unsupported-csstransform3d .flip.in.reverse {
-	opacity: 1;
-	-webkit-animation-duration: 300ms;
-	-webkit-animation-name: fadein;
-	-moz-animation-duration: 300ms;
-	-moz-animation-name: fadein;
-}
+}
\ No newline at end of file
diff --git a/css/structure/jquery.mobile.transitions.pop.css b/css/structure/jquery.mobile.transitions.pop.css
index 6a25f7f0..9f9e9409 100644
--- a/css/structure/jquery.mobile.transitions.pop.css
+++ b/css/structure/jquery.mobile.transitions.pop.css
@@ -71,40 +71,4 @@
         -moz-transform: scale(.8);
         opacity: 0;
     }
-}
-
-/* for non-3d supporting browsers, remove the fade and just animate size */
-
-.ui-unsupported-csstransform3d .pop.out,
-.ui-unsupported-csstransform3d .pop.in.reverse {
-	-webkit-animation-duration: 200ms;
-	-webkit-animation-name: nofade;
-}
-
-.ui-unsupported-csstransform3d .pop.in {
-	-webkit-animation-name: popin-basic;
-	-webkit-animation-duration: 325ms;
-}
-.ui-unsupported-csstransform3d .pop.out.reverse {
-	-webkit-transform: scale(0);
-	-webkit-animation-name: popout-basic;
-	-webkit-animation-duration: 325ms;
-}
-
-@-webkit-keyframes popin-basic {
-    from {
-        -webkit-transform: scale(0);
-    }
-    to {
-        -webkit-transform: scale(1);
-    }
-}
-
-@-webkit-keyframes popout-basic {
-    from {
-        -webkit-transform: scale(1);
-    }
-    to {
-        -webkit-transform: scale(0);
-    }
 }
\ No newline at end of file
diff --git a/css/structure/jquery.mobile.transitions.slide.css b/css/structure/jquery.mobile.transitions.slide.css
index b0d6babe..fbc1e9e5 100644
--- a/css/structure/jquery.mobile.transitions.slide.css
+++ b/css/structure/jquery.mobile.transitions.slide.css
@@ -149,43 +149,4 @@
 @-moz-keyframes slideouttotop {
     from { -moz-transform: translateY(0); }
     to { -moz-transform: translateY(-100%); }
-}
-
-
-/* in non-3D browsers, get rid of the fade in animation and give them more duration to prevent jumping */
-.ui-unsupported-csstransform3d .slide.in,
-.ui-unsupported-csstransform3d .slide.in.reverse,
-.ui-unsupported-csstransform3d .slideup.in.reverse,
-.ui-unsupported-csstransform3d .slidedown.in.reverse {
-	-webkit-animation-name: nofade;
-	-webkit-animation-duration: 500ms;
-	-webkit-animation-timing-function: ease-out;
-	-moz-animation-name: nofade;
-	-moz-animation-duration: 500ms;
-	-moz-animation-timing-function: ease-in;
-}
-
-/* Also get rid of the fade out animation and use the same timing */
-.ui-unsupported-csstransform3d .slideup.out,
-.ui-unsupported-csstransform3d .slidedown.out
- {
-	-webkit-animation-name: nofade;
-	-webkit-animation-duration: 500ms;
-	-webkit-animation-timing-function: ease-in;
-	-moz-animation-name: nofade;
-	-moz-animation-duration: 500ms;
-	-moz-animation-timing-function: ease-in;
-}
-
-/* use similiar timing for slides that we don't need to exclude fades from */
-.ui-unsupported-csstransform3d .slide.out,
-.ui-unsupported-csstransform3d .slide.out.reverse,
-.ui-unsupported-csstransform3d .slideup.in,
-.ui-unsupported-csstransform3d .slideup.out.reverse,
-.ui-unsupported-csstransform3d .slidedown.out.reverse,
-.ui-unsupported-csstransform3d .slidedown.in {
-	-webkit-animation-duration: 500ms;
-	-webkit-animation-timing-function: ease-out;
-	-moz-animation-duration: 500ms;
-	-moz-animation-timing-function: ease-out;
 }
\ No newline at end of file