diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 329da276c6f1839d8bdb75ab4448c0d61a6af2f0..4876182daf8a5d1af3bf11516fa6ab2ec0d15283 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -1,5 +1,27 @@
+#
+# Makefile for x86 specific library files.
+#
+
+obj-$(CONFIG_SMP) := msr-on-cpu.o
+
+lib-y := delay_$(BITS).o
+lib-y += usercopy_$(BITS).o getuser_$(BITS).o putuser_$(BITS).o
+lib-y += memcpy_$(BITS).o
+
 ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/lib/Makefile_32
+        lib-y += checksum_32.o
+        lib-y += strstr_32.o
+        lib-y += bitops_32.o semaphore_32.o string_32.o
+
+        lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o
 else
-include ${srctree}/arch/x86/lib/Makefile_64
+        obj-y += io_64.o iomap_copy_64.o
+
+        CFLAGS_csum-partial_64.o := -funroll-loops
+
+        lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o
+        lib-y += thunk_64.o clear_page_64.o copy_page_64.o
+        lib-y += bitstr_64.o bitops_64.o
+        lib-y += memmove_64.o memset_64.o
+        lib-y += copy_user_64.o rwlock_64.o copy_user_nocache_64.o
 endif
diff --git a/arch/x86/lib/Makefile_32 b/arch/x86/lib/Makefile_32
deleted file mode 100644
index 98d1f1e2e2ef5d197d743b891efd4f50b7417f75..0000000000000000000000000000000000000000
--- a/arch/x86/lib/Makefile_32
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# Makefile for i386-specific library files..
-#
-
-
-lib-y = checksum_32.o delay_32.o usercopy_32.o getuser_32.o putuser_32.o memcpy_32.o strstr_32.o \
-	bitops_32.o semaphore_32.o string_32.o
-
-lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o
-
-obj-$(CONFIG_SMP)	+= msr-on-cpu.o
diff --git a/arch/x86/lib/Makefile_64 b/arch/x86/lib/Makefile_64
deleted file mode 100644
index bbabad3c933576810ca37a9837304967f1de5ac4..0000000000000000000000000000000000000000
--- a/arch/x86/lib/Makefile_64
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# Makefile for x86_64-specific library files.
-#
-
-CFLAGS_csum-partial_64.o := -funroll-loops
-
-obj-y := io_64.o iomap_copy_64.o
-obj-$(CONFIG_SMP)	+= msr-on-cpu.o
-
-lib-y := csum-partial_64.o csum-copy_64.o csum-wrappers_64.o delay_64.o \
-	usercopy_64.o getuser_64.o putuser_64.o  \
-	thunk_64.o clear_page_64.o copy_page_64.o bitstr_64.o bitops_64.o
-lib-y += memcpy_64.o memmove_64.o memset_64.o copy_user_64.o rwlock_64.o copy_user_nocache_64.o