2 files changed, 1 insertions, 16 deletions

diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index e8e0bd641120..4ea7b1ad3c1d 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -237,18 +237,9 @@ static inline void flush_write_buffers(void)
         __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory");
 }
 
-#define dma_cache_inv(_start,_size)             flush_write_buffers()
-#define dma_cache_wback(_start,_size)           flush_write_buffers()
-#define dma_cache_wback_inv(_start,_size)       flush_write_buffers()
-
 #else
 
-/* Nothing to do */
-
-#define dma_cache_inv(_start,_size)             do { } while (0)
-#define dma_cache_wback(_start,_size)           do { } while (0)
-#define dma_cache_wback_inv(_start,_size)       do { } while (0)
-#define flush_write_buffers()
+#define flush_write_buffers() do { } while (0)
 
 #endif
 
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index 7475095c5061..a037b0794332 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -249,12 +249,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
  */
 #define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
 
-/* Nothing to do */
-
-#define dma_cache_inv(_start,_size)             do { } while (0)
-#define dma_cache_wback(_start,_size)           do { } while (0)
-#define dma_cache_wback_inv(_start,_size)       do { } while (0)
-
 #define flush_write_buffers() 
 
 extern int iommu_bio_merge;