diff --git a/include/asm-i386/mpspec_def.h b/include/asm-i386/mpspec_def.h
index a961093dbf88b315d45604ef39670fab2f28ce24..76feedf85a8a8ce41e8bd5611d3942661817b9dc 100644
--- a/include/asm-i386/mpspec_def.h
+++ b/include/asm-i386/mpspec_def.h
@@ -75,7 +75,7 @@ struct mpc_config_bus
 {
 	unsigned char mpc_type;
 	unsigned char mpc_busid;
-	unsigned char mpc_bustype[6] __attribute((packed));
+	unsigned char mpc_bustype[6];
 };
 
 /* List of Bus Type string values, Intel MP Spec. */
diff --git a/include/asm-x86_64/mpspec.h b/include/asm-x86_64/mpspec.h
index 6f8a17d105abaeb7ac90f222b84bea64e64983d4..10248a9a0582e1136624fc987355dae317ce725f 100644
--- a/include/asm-x86_64/mpspec.h
+++ b/include/asm-x86_64/mpspec.h
@@ -76,7 +76,7 @@ struct mpc_config_bus
 {
 	unsigned char mpc_type;
 	unsigned char mpc_busid;
-	unsigned char mpc_bustype[6] __attribute((packed));
+	unsigned char mpc_bustype[6];
 };
 
 /* List of Bus Type string values, Intel MP Spec. */