diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h
index 94b257fa8701..5a4c95905420 100644
--- a/include/asm-x86/linkage.h
+++ b/include/asm-x86/linkage.h
@@ -1,5 +1,20 @@
-#ifdef CONFIG_X86_32
-# include "linkage_32.h"
-#else
-# include "linkage_64.h"
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#ifdef CONFIG_X86_64
+#define __ALIGN .p2align 4,,15
+#define __ALIGN_STR ".p2align 4,,15"
 #endif
+
+#ifdef CONFIG_X86_32
+#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
+#define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
+#endif
+
+#ifdef CONFIG_X86_ALIGNMENT_16
+#define __ALIGN .align 16,0x90
+#define __ALIGN_STR ".align 16,0x90"
+#endif
+
+#endif
+
diff --git a/include/asm-x86/linkage_32.h b/include/asm-x86/linkage_32.h
deleted file mode 100644
index f4a6ebac0247..000000000000
--- a/include/asm-x86/linkage_32.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef __ASM_LINKAGE_H
-#define __ASM_LINKAGE_H
-
-#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
-#define FASTCALL(x)	x __attribute__((regparm(3)))
-#define fastcall	__attribute__((regparm(3)))
-
-#define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
-
-#ifdef CONFIG_X86_ALIGNMENT_16
-#define __ALIGN .align 16,0x90
-#define __ALIGN_STR ".align 16,0x90"
-#endif
-
-#endif
diff --git a/include/asm-x86/linkage_64.h b/include/asm-x86/linkage_64.h
deleted file mode 100644
index b5f39d0189ce..000000000000
--- a/include/asm-x86/linkage_64.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_LINKAGE_H
-#define __ASM_LINKAGE_H
-
-#define __ALIGN .p2align 4,,15
-
-#endif