diff --git a/src/lib/platform/OSXScreen.h b/src/lib/platform/OSXScreen.h
index 96dd928a43..62af60833d 100644
--- a/src/lib/platform/OSXScreen.h
+++ b/src/lib/platform/OSXScreen.h
@@ -153,9 +153,6 @@ private:
     // get the current scroll wheel speed
     double                getScrollSpeed() const;
 
-    // get the current scroll wheel speed
-    double                getScrollSpeedFactor() const;
-
     // enable/disable drag handling for buttons 3 and up
     void                enableDragTimer(bool enable);
 
diff --git a/src/lib/platform/OSXScreen.mm b/src/lib/platform/OSXScreen.mm
index df29e6d8e1..b1d31a2d9f 100644
--- a/src/lib/platform/OSXScreen.mm
+++ b/src/lib/platform/OSXScreen.mm
@@ -1460,9 +1460,8 @@ OSXScreen::mapMacButtonToSynergy(UInt16 macButton) const
 SInt32
 OSXScreen::mapScrollWheelToSynergy(SInt32 x) const
 {
-	// return accelerated scrolling but not exponentially scaled as it is
-	// on the mac.
-	double d = (1.0 + getScrollSpeed()) * x / getScrollSpeedFactor();
+	// return accelerated scrolling
+	double d = (1.0 + getScrollSpeed()) * x;
 	return static_cast<SInt32>(m_scrollDirection * 120.0 * d);
 }
 
@@ -1500,12 +1499,6 @@ OSXScreen::getScrollSpeed() const
 	return scaling;
 }
 
-double
-OSXScreen::getScrollSpeedFactor() const
-{
-	return pow(10.0, getScrollSpeed());
-}
-
 void
 OSXScreen::enableDragTimer(bool enable)
 {