diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h
index e46e50382d28dbcd782cbf0f4b87b042fef339c7..881544339c218aed68c00f031ba06669c0a1d2fa 100644
--- a/arch/alpha/include/asm/types.h
+++ b/arch/alpha/include/asm/types.h
@@ -20,15 +20,4 @@
 typedef unsigned int umode_t;
 
 #endif /* __ASSEMBLY__ */
-
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-
-typedef u64 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
 #endif /* _ALPHA_TYPES_H */
diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
index c684e3769f4721031e47c97386351c007dbf1519..48192ac3a23a18fdb1629352f00a062837001ccc 100644
--- a/arch/arm/include/asm/types.h
+++ b/arch/arm/include/asm/types.h
@@ -16,12 +16,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-typedef u32 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif
diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h
index 44055087c932fa7a21d55168736c154fcf77088f..551a12c0aa010a5b9507f0c92d5c8979e597a4c9 100644
--- a/arch/cris/include/asm/types.h
+++ b/arch/cris/include/asm/types.h
@@ -16,12 +16,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-typedef u32 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif
diff --git a/arch/m32r/include/asm/types.h b/arch/m32r/include/asm/types.h
index fd84b4898e30e027dc4886ac0b0cdc49352a2801..bd0035597b3bcf65ce82150cfaffc50f97a97348 100644
--- a/arch/m32r/include/asm/types.h
+++ b/arch/m32r/include/asm/types.h
@@ -16,12 +16,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-typedef u64 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_M32R_TYPES_H */
diff --git a/arch/m68k/include/asm/types.h b/arch/m68k/include/asm/types.h
index 10ad92f1c173318eef0d9ae4d8a4c7bedabc1ad5..b17fd115a4e7e716888f04e61f908965feeec858 100644
--- a/arch/m68k/include/asm/types.h
+++ b/arch/m68k/include/asm/types.h
@@ -23,12 +23,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-typedef u32 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _M68K_TYPES_H */
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index 9520dc8949896f4b71c4504493dcd221505a0ddb..533812b6188181ecea4503450e8eae5677ae920d 100644
--- a/arch/mips/include/asm/types.h
+++ b/arch/mips/include/asm/types.h
@@ -33,8 +33,6 @@ typedef unsigned short umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-typedef u64 dma64_addr_t;
-
 /*
  * Don't use phys_t.  You've been warned.
  */
diff --git a/arch/parisc/include/asm/types.h b/arch/parisc/include/asm/types.h
index bc164ddffb782090c05847608fc7354a736ce99a..80e415c9936d05312bfb96c4980254540b5f6bd5 100644
--- a/arch/parisc/include/asm/types.h
+++ b/arch/parisc/include/asm/types.h
@@ -9,17 +9,4 @@ typedef unsigned short umode_t;
 
 #endif /* __ASSEMBLY__ */
 
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-
-typedef u64 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
 #endif
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index e16a6b2d96f194ab84157b477636103d6acf64e6..8947b9827bc40d8d03fba298554d0c0f449aa31c 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/arch/powerpc/include/asm/types.h
@@ -44,8 +44,6 @@ typedef struct {
 
 typedef __vector128 vector128;
 
-typedef u64 dma64_addr_t;
-
 typedef struct {
 	unsigned long entry;
 	unsigned long toc;
diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h
index f7f6ae6bed8f4a47cc0acec2c73cde95fa3a2af4..eeb52ccf499f5cc46c02baf926aa5804bfad24eb 100644
--- a/arch/s390/include/asm/types.h
+++ b/arch/s390/include/asm/types.h
@@ -30,8 +30,6 @@ typedef __signed__ long saddr_t;
 
 #ifndef __ASSEMBLY__
 
-typedef u64 dma64_addr_t;
-
 #ifndef __s390x__
 typedef union {
 	unsigned long long pair;
diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h
index f02d330cb9f175b71e33d7cf1c3b51c5c8bb6cec..91e5a034f987eea0f7c677ee13b9a1a57ff3fcb0 100644
--- a/arch/sparc/include/asm/types.h
+++ b/arch/sparc/include/asm/types.h
@@ -18,24 +18,6 @@ typedef unsigned short umode_t;
 
 #endif /* __ASSEMBLY__ */
 
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-
-#if defined(__arch64__)
-
-/*** SPARC 64 bit ***/
-typedef u64 dma64_addr_t;
-#else
-/*** SPARC 32 bit ***/
-typedef u32 dma64_addr_t;
-
-#endif /* defined(__arch64__) */
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
 #endif /* defined(__sparc__) */
 
 #endif /* defined(_SPARC_TYPES_H) */
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index 88102055a4b891b9af54bf9739982a821a159405..8e8c23fef08cee476a41a88c367e937385cb642c 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -3,12 +3,4 @@
 
 #include <asm-generic/types.h>
 
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-
-typedef u64 dma64_addr_t;
-
-#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_X86_TYPES_H */