diff --git a/ios/FastImage/FFFastImageView.m b/ios/FastImage/FFFastImageView.m
index 3b11435..2d59e68 100644
--- a/ios/FastImage/FFFastImageView.m
+++ b/ios/FastImage/FFFastImageView.m
@@ -12,9 +12,7 @@
 
 - (void)setSource:(FFFastImageSource *)source {
     if (_source != source) {
-        // Cancel any previous image loading in progress.
-        [self sd_cancelCurrentAnimationImagesLoad];
-
+        _source = source;
         // Set headers.
         [source.headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString* header, BOOL *stop) {
             [[SDWebImageDownloader sharedDownloader] setValue:header forHTTPHeaderField:key];
@@ -56,10 +54,4 @@
     }
 }
 
-- (void)removeFromSuperview {
-    // Cancel any loading.
-    [self sd_cancelCurrentAnimationImagesLoad];
-    [super removeFromSuperview];
-}
-
 @end