diff --git a/src/ol/geom/flat/transformflatgeom.js b/src/ol/geom/flat/transformflatgeom.js
new file mode 100644
index 0000000000..dc8c77e45e
--- /dev/null
+++ b/src/ol/geom/flat/transformflatgeom.js
@@ -0,0 +1,34 @@
+goog.provide('ol.geom.flat.transform');
+
+goog.require('goog.vec.Mat4');
+
+
+/**
+ * @param {Array.<number>} flatCoordinates Flat coordinates.
+ * @param {number} stride Stride.
+ * @param {goog.vec.Mat4.Number} transform Transform.
+ * @param {Array.<number>=} opt_dest Destination.
+ * @return {Array.<number>} Transformed coordinates.
+ */
+ol.geom.flat.transform.transform2D =
+    function(flatCoordinates, stride, transform, opt_dest) {
+  var m00 = goog.vec.Mat4.getElement(transform, 0, 0);
+  var m10 = goog.vec.Mat4.getElement(transform, 1, 0);
+  var m01 = goog.vec.Mat4.getElement(transform, 0, 1);
+  var m11 = goog.vec.Mat4.getElement(transform, 1, 1);
+  var m03 = goog.vec.Mat4.getElement(transform, 0, 3);
+  var m13 = goog.vec.Mat4.getElement(transform, 1, 3);
+  var dest = goog.isDef(opt_dest) ? opt_dest : [];
+  var i = 0;
+  var j, jj;
+  for (j = 0, jj = flatCoordinates.length; j < jj; j += stride) {
+    var x = flatCoordinates[j];
+    var y = flatCoordinates[j + 1];
+    dest[i++] = m00 * x + m01 * y + m03;
+    dest[i++] = m10 * x + m11 * y + m13;
+  }
+  if (goog.isDef(opt_dest) && dest.length != i) {
+    dest.length = i;
+  }
+  return dest;
+};
diff --git a/src/ol/geom/flatgeom.js b/src/ol/geom/flatgeom.js
index 4b08ed1b02..83bf883767 100644
--- a/src/ol/geom/flatgeom.js
+++ b/src/ol/geom/flatgeom.js
@@ -1,7 +1,5 @@
 goog.provide('ol.geom.flat');
 
-goog.require('goog.array');
-goog.require('goog.vec.Mat4');
 goog.require('ol.extent');
 
 
@@ -26,34 +24,3 @@ ol.geom.flat.linearRingssGetFlatCenters =
   }
   return flatCenters;
 };
-
-
-/**
- * @param {Array.<number>} flatCoordinates Flat coordinates.
- * @param {number} stride Stride.
- * @param {goog.vec.Mat4.Number} transform Transform.
- * @param {Array.<number>=} opt_dest Destination.
- * @return {Array.<number>} Transformed coordinates.
- */
-ol.geom.flat.transform2D =
-    function(flatCoordinates, stride, transform, opt_dest) {
-  var m00 = goog.vec.Mat4.getElement(transform, 0, 0);
-  var m10 = goog.vec.Mat4.getElement(transform, 1, 0);
-  var m01 = goog.vec.Mat4.getElement(transform, 0, 1);
-  var m11 = goog.vec.Mat4.getElement(transform, 1, 1);
-  var m03 = goog.vec.Mat4.getElement(transform, 0, 3);
-  var m13 = goog.vec.Mat4.getElement(transform, 1, 3);
-  var dest = goog.isDef(opt_dest) ? opt_dest : [];
-  var i = 0;
-  var j, jj;
-  for (j = 0, jj = flatCoordinates.length; j < jj; j += stride) {
-    var x = flatCoordinates[j];
-    var y = flatCoordinates[j + 1];
-    dest[i++] = m00 * x + m01 * y + m03;
-    dest[i++] = m10 * x + m11 * y + m13;
-  }
-  if (goog.isDef(opt_dest) && dest.length != i) {
-    dest.length = i;
-  }
-  return dest;
-};
diff --git a/src/ol/geom/simplegeometry.js b/src/ol/geom/simplegeometry.js
index 879a84f2e9..5ca2a609fc 100644
--- a/src/ol/geom/simplegeometry.js
+++ b/src/ol/geom/simplegeometry.js
@@ -6,6 +6,7 @@ goog.require('goog.object');
 goog.require('ol.extent');
 goog.require('ol.geom.Geometry');
 goog.require('ol.geom.flat');
+goog.require('ol.geom.flat.transform');
 
 
 
@@ -260,7 +261,7 @@ ol.geom.transformSimpleGeometry2D =
     return null;
   } else {
     var stride = simpleGeometry.getStride();
-    return ol.geom.flat.transform2D(
+    return ol.geom.flat.transform.transform2D(
         flatCoordinates, stride, transform, opt_dest);
   }
 };
diff --git a/src/ol/render/canvas/canvasimmediate.js b/src/ol/render/canvas/canvasimmediate.js
index ed1efeb6a7..84cf7ae0b6 100644
--- a/src/ol/render/canvas/canvasimmediate.js
+++ b/src/ol/render/canvas/canvasimmediate.js
@@ -1,6 +1,6 @@
 // FIXME test, especially polygons with holes and multipolygons
 // FIXME need to handle large thick features (where pixel size matters)
-// FIXME add offset and end to ol.geom.flat.transform2D?
+// FIXME add offset and end to ol.geom.flat.transform.transform2D?
 
 goog.provide('ol.render.canvas.Immediate');
 
@@ -12,6 +12,7 @@ goog.require('ol.BrowserFeature');
 goog.require('ol.color');
 goog.require('ol.extent');
 goog.require('ol.geom.flat');
+goog.require('ol.geom.flat.transform');
 goog.require('ol.render.IVectorContext');
 goog.require('ol.render.canvas');
 goog.require('ol.vec.Mat4');
@@ -235,7 +236,7 @@ ol.render.canvas.Immediate.prototype.drawImages_ =
   }
   goog.asserts.assert(offset === 0);
   goog.asserts.assert(end == flatCoordinates.length);
-  var pixelCoordinates = ol.geom.flat.transform2D(
+  var pixelCoordinates = ol.geom.flat.transform.transform2D(
       flatCoordinates, 2, this.transform_, this.pixelCoordinates_);
   var context = this.context_;
   var localTransform = this.tmpLocalTransform_;
@@ -301,7 +302,7 @@ ol.render.canvas.Immediate.prototype.drawText_ =
   this.setContextTextState_(this.textState_);
   goog.asserts.assert(offset === 0);
   goog.asserts.assert(end == flatCoordinates.length);
-  var pixelCoordinates = ol.geom.flat.transform2D(
+  var pixelCoordinates = ol.geom.flat.transform.transform2D(
       flatCoordinates, stride, this.transform_, this.pixelCoordinates_);
   var context = this.context_;
   for (; offset < end; offset += stride) {
diff --git a/src/ol/render/canvas/canvasreplay.js b/src/ol/render/canvas/canvasreplay.js
index 594b7b3c21..2e3320c761 100644
--- a/src/ol/render/canvas/canvasreplay.js
+++ b/src/ol/render/canvas/canvasreplay.js
@@ -18,6 +18,7 @@ goog.require('ol.extent');
 goog.require('ol.extent.Relationship');
 goog.require('ol.geom.flat');
 goog.require('ol.geom.flat.simplify');
+goog.require('ol.geom.flat.transform');
 goog.require('ol.render.IReplayGroup');
 goog.require('ol.render.IVectorContext');
 goog.require('ol.render.canvas');
@@ -217,7 +218,7 @@ ol.render.canvas.Replay.prototype.replay_ = function(
   if (ol.vec.Mat4.equals2D(transform, this.renderedTransform_)) {
     pixelCoordinates = this.pixelCoordinates_;
   } else {
-    pixelCoordinates = ol.geom.flat.transform2D(
+    pixelCoordinates = ol.geom.flat.transform.transform2D(
         this.coordinates, 2, transform, this.pixelCoordinates_);
     goog.vec.Mat4.setFromArray(this.renderedTransform_, transform);
     goog.asserts.assert(pixelCoordinates === this.pixelCoordinates_);
@@ -1852,7 +1853,7 @@ ol.render.canvas.ReplayGroup.prototype.replay_ = function(
   var minY = maxExtent[1];
   var maxX = maxExtent[2];
   var maxY = maxExtent[3];
-  var flatClipCoords = ol.geom.flat.transform2D(
+  var flatClipCoords = ol.geom.flat.transform.transform2D(
       [minX, minY, minX, maxY, maxX, maxY, maxX, minY], 2, transform);
   context.save();
   context.beginPath();