diff --git a/AFNetworking/AFDownloadRequestOperation.h b/AFNetworking/AFDownloadRequestOperation.h
index 512cc1b..a059518 100644
--- a/AFNetworking/AFDownloadRequestOperation.h
+++ b/AFNetworking/AFDownloadRequestOperation.h
@@ -22,12 +22,10 @@
 
 #import "AFHTTPRequestOperation.h"
 
-#define kAFNetworkingIncompleteDownloadFolderName @"Incomplete"
-
 /**
- `AFDownloadRequestOperation` is a subclass of `AFHTTPRequestOperation` for streamed file downloading. Supports Content-Range. (http://tools.ietf.org/html/rfc2616#section-14.16)
+ 
  */
-@interface AFDownloadRequestOperation : AFURLConnectionOperation {
+@interface AFDownloadRequestOperation : AFHTTPRequestOperation {
 @private
     NSString *_responsePath;
     NSError *_downloadError;
diff --git a/AFNetworking/AFDownloadRequestOperation.m b/AFNetworking/AFDownloadRequestOperation.m
index bd5f0df..9e3888c 100644
--- a/AFNetworking/AFDownloadRequestOperation.m
+++ b/AFNetworking/AFDownloadRequestOperation.m
@@ -55,9 +55,6 @@
 
 #pragma mark -
 
-/**
- 
- */
 - (void)setDestination:(NSString *)path allowOverwrite:(BOOL)allowOverwrite {
     [self willChangeValueForKey:@"isReady"];
     self.destination = path;
@@ -80,17 +77,10 @@
     }
 }
 
-
 #pragma mark -
 
-///**
-// 
-// */
 //- (void)setDecideDestinationWithSuggestedFilenameBlock:(void (^)(NSString *filename))block;
 //
-///**
-// 
-// */
 //- (void)setShouldDecodeSourceDataOfMimeTypeBlock:(BOOL (^)(NSString *encodingType))block;
 
 @end