diff --git a/core/combo/arch/x86/sandybridge.mk b/core/combo/arch/x86/sandybridge.mk
index bca5953..830e1db 100644
--- a/core/combo/arch/x86/sandybridge.mk
+++ b/core/combo/arch/x86/sandybridge.mk
@@ -5,13 +5,13 @@
 ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
-ARCH_X86_HAVE_AES_NI := true
-ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_AES_NI := false
+ARCH_X86_HAVE_AVX    := false
 ARCH_X86_HAVE_POPCNT := true
 ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
-	-march=corei7-avx \
+	-march=corei7 \
 	-mfpmath=sse \
 
diff --git a/core/combo/arch/x86_64/sandybridge.mk b/core/combo/arch/x86_64/sandybridge.mk
index 865548c..574ec8a 100644
--- a/core/combo/arch/x86_64/sandybridge.mk
+++ b/core/combo/arch/x86_64/sandybridge.mk
@@ -5,11 +5,11 @@
 ARCH_X86_HAVE_SSE4   := true
 ARCH_X86_HAVE_SSE4_1 := true
 ARCH_X86_HAVE_SSE4_2 := true
-ARCH_X86_HAVE_AES_NI := true
-ARCH_X86_HAVE_AVX    := true
+ARCH_X86_HAVE_AES_NI := false
+ARCH_X86_HAVE_AVX    := false
 ARCH_X86_HAVE_POPCNT := true
 ARCH_X86_HAVE_MOVBE  := false
 
 # CFLAGS for this arch
 arch_variant_cflags := \
-	-march=corei7-avx
+	-march=corei7