diff --git a/common_x86_64.h b/common_x86_64.h
index 0f842ee94..ae9b88718 100644
--- a/common_x86_64.h
+++ b/common_x86_64.h
@@ -46,6 +46,7 @@
 #define	__volatile__
 #endif
 
+/*
 #ifdef HAVE_SSE2
 #define MB   __asm__ __volatile__ ("mfence");
 #define WMB  __asm__ __volatile__ ("sfence");
@@ -53,6 +54,10 @@
 #define MB
 #define WMB
 #endif
+*/
+
+#define MB
+#define WMB
 
 static void __inline blas_lock(volatile BLASULONG *address){
 
@@ -99,6 +104,8 @@ static __inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx){
 			     : "0" (op));
 }
 
+/*
+
 #define WHEREAMI
 
 static inline int WhereAmI(void){
@@ -111,6 +118,8 @@ static inline int WhereAmI(void){
   return apicid;
 }
 
+*/
+
 #ifdef CORE_BARCELONA
 #define IFLUSH		gotoblas_iflush()
 #define IFLUSH_HALF	gotoblas_iflush_half()
diff --git a/driver/others/parameter.c b/driver/others/parameter.c
index a0a8b5188..c6c7301e8 100644
--- a/driver/others/parameter.c
+++ b/driver/others/parameter.c
@@ -251,7 +251,9 @@ void blas_set_parameter(void){
 
   env_var_t p;
   int factor;
+#if !defined(BULLDOZER)
   int size = get_L2_size();
+#endif
 
 #if defined(CORE_KATMAI)  || defined(CORE_COPPERMINE) || defined(CORE_BANIAS)
   size >>= 7;