diff --git a/include/autoconf.h b/include/autoconf.h
index a30b12e..915447f 100755
--- a/include/autoconf.h
+++ b/include/autoconf.h
@@ -85,10 +85,8 @@
  * Interface  Related Config
  */
 
-#ifndef CONFIG_MINIMAL_MEMORY_USAGE
-	#define CONFIG_USB_TX_AGGREGATION
-	#define CONFIG_USB_RX_AGGREGATION
-#endif
+#define CONFIG_USB_TX_AGGREGATION
+#define CONFIG_USB_RX_AGGREGATION
 
 #define CONFIG_PREALLOC_RECV_SKB
 
diff --git a/include/rtl8192c_recv.h b/include/rtl8192c_recv.h
index c3295c9..9fc2172 100755
--- a/include/rtl8192c_recv.h
+++ b/include/rtl8192c_recv.h
@@ -45,16 +45,11 @@
 #define RECV_BLK_CNT 16
 #define RECV_BLK_TH RECV_BLK_CNT
 
-	#ifndef CONFIG_MINIMAL_MEMORY_USAGE
-		#ifdef CONFIG_PLATFORM_MSTAR
-			#define MAX_RECVBUF_SZ (8192) // 8K
-		#else
-		#define MAX_RECVBUF_SZ (15360) // 15k < 16k
-		#endif
-		//#define MAX_RECVBUF_SZ (8192+1024) // 8K+1k
-	#else
-		#define MAX_RECVBUF_SZ (4000) // about 4K
-	#endif
+#ifdef CONFIG_PLATFORM_MSTAR
+	#define MAX_RECVBUF_SZ (8192) // 8K
+#else
+#define MAX_RECVBUF_SZ (15360) // 15k < 16k
+#endif
 
 #define RECV_BULK_IN_ADDR		0x80
 #define RECV_INT_IN_ADDR		0x81