diff --git a/SDWebImage/Core/SDAnimatedImageView.m b/SDWebImage/Core/SDAnimatedImageView.m
index 672d9086..0adcfd61 100644
--- a/SDWebImage/Core/SDAnimatedImageView.m
+++ b/SDWebImage/Core/SDAnimatedImageView.m
@@ -186,7 +186,6 @@ static NSUInteger SDDeviceFreeMemory() {
 {
     SD_LOCK(self.lock);
     [_frameBuffer removeAllObjects];
-    _frameBuffer = nil;
     SD_UNLOCK(self.lock);
 }