diff --git a/CHANGELOG.md b/CHANGELOG.md
index eca7f1d..addcd18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## 3.1.2
+
+Released on 16-9-2016
+
+#### Fixed
+- Scrolling performance slowed #145
+
 ## 3.1.1
 
 Released on 15-9-2016
diff --git a/SKPhotoBrowser.podspec b/SKPhotoBrowser.podspec
index 023cbf3..daef9dd 100644
--- a/SKPhotoBrowser.podspec
+++ b/SKPhotoBrowser.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SKPhotoBrowser"
-  s.version      = "3.1.1"
+  s.version      = "3.1.2"
   s.summary      = "Simple PhotoBrowser/Viewer inspired by facebook, twitter photo browsers written by swift2.0."
   s.homepage     = "https://github.com/suzuki-0000/SKPhotoBrowser"
   s.license      = { :type => "MIT", :file => "LICENSE" }
diff --git a/SKPhotoBrowser/SKPhotoBrowserOptions.swift b/SKPhotoBrowser/SKPhotoBrowserOptions.swift
index b6d7901..7d18df3 100644
--- a/SKPhotoBrowser/SKPhotoBrowserOptions.swift
+++ b/SKPhotoBrowser/SKPhotoBrowserOptions.swift
@@ -30,13 +30,14 @@ public struct SKPhotoBrowserOptions {
     public static var enableZoomBlackArea: Bool = true
     public static var enableSingleTapDismiss: Bool = false
     
-    public static var imagePaddingX: CGFloat = 0
-    public static var imagePaddingY: CGFloat = 0
-    
     public static var backgroundColor = UIColor.blackColor()
     public static var textAndIconColor = UIColor.whiteColor()
     public static var toolbarTextShadowColor = UIColor.darkTextColor()
     
     public static var toolbarFont = UIFont(name: "Helvetica", size: 16.0)
     public static var captionFont = UIFont.systemFontOfSize(17.0)
-}
\ No newline at end of file
+    
+    // FIXED: Scrolling performance slowed #145
+    // public static var imagePaddingX: CGFloat = 0
+    // public static var imagePaddingY: CGFloat = 0
+}
diff --git a/SKPhotoBrowser/SKZoomingScrollView.swift b/SKPhotoBrowser/SKZoomingScrollView.swift
index 4977349..53284f3 100644
--- a/SKPhotoBrowser/SKZoomingScrollView.swift
+++ b/SKPhotoBrowser/SKZoomingScrollView.swift
@@ -183,20 +183,22 @@ public class SKZoomingScrollView: UIScrollView {
         
         if let image = photo.underlyingImage {
             
+            // FIXED: Scrolling performance slowed #145
+ 
             // create padding
-            let width: CGFloat = image.size.width + SKPhotoBrowserOptions.imagePaddingX
-            let height: CGFloat = image.size.height + SKPhotoBrowserOptions.imagePaddingY;
-            UIGraphicsBeginImageContextWithOptions(CGSizeMake(width, height), false, 0.0);
-            let context: CGContextRef = UIGraphicsGetCurrentContext()!;
-            UIGraphicsPushContext(context);
-            let origin: CGPoint = CGPointMake((width - image.size.width) / 2, (height - image.size.height) / 2);
-            image.drawAtPoint(origin)
-            UIGraphicsPopContext();
-            let imageWithPadding = UIGraphicsGetImageFromCurrentImageContext();
-            UIGraphicsEndImageContext();
+            // let width: CGFloat = image.size.width + SKPhotoBrowserOptions.imagePaddingX
+            // let height: CGFloat = image.size.height + SKPhotoBrowserOptions.imagePaddingY;
+            // UIGraphicsBeginImageContextWithOptions(CGSizeMake(width, height), false, 0.0);
+            // let context: CGContextRef = UIGraphicsGetCurrentContext()!;
+            // UIGraphicsPushContext(context);
+            // let origin: CGPoint = CGPointMake((width - image.size.width) / 2, (height - image.size.height) / 2);
+            // image.drawAtPoint(origin)
+            // UIGraphicsPopContext();
+            // let imageWithPadding = UIGraphicsGetImageFromCurrentImageContext();
+            // UIGraphicsEndImageContext();
 
             // image
-            photoImageView.image = imageWithPadding
+            photoImageView.image = image
             photoImageView.contentMode = photo.contentMode
             photoImageView.backgroundColor = SKPhotoBrowserOptions.backgroundColor
             
@@ -336,4 +338,4 @@ private extension SKZoomingScrollView {
         
         return CGRect(x: x, y: y, width: w, height: h)
     }
-}
\ No newline at end of file
+}