diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h
index 48c4f0335e3f51b74413a93783da6f1fb8f0970d..b1e2f07100980bbc3341238a5f9316f0f86a20b3 100644
--- a/arch/microblaze/include/asm/system.h
+++ b/arch/microblaze/include/asm/system.h
@@ -97,14 +97,4 @@ extern struct dentry *of_debugfs_root;
 
 #define arch_align_stack(x) (x)
 
-/*
- * MicroBlaze doesn't handle unaligned accesses in hardware.
- *
- * Based on this we force the IP header alignment in network drivers.
- * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining
- * cacheline alignment of buffers.
- */
-#define NET_IP_ALIGN	2
-#define NET_SKB_PAD	L1_CACHE_BYTES
-
 #endif /* _ASM_MICROBLAZE_SYSTEM_H */