diff --git a/nanors/deps/obl/autoshim.h b/nanors/deps/obl/autoshim.h
index 297dc7d..b19459d 100644
--- a/nanors/deps/obl/autoshim.h
+++ b/nanors/deps/obl/autoshim.h
@@ -4,7 +4,7 @@
 #if defined(__AVX2__)
 #define OBLAS_AVX2
 #else
-#if defined(__SSSE3__) || (defined(_MSC_VER) && defined(_M_X64) && !defined(_M_ARM64))
+#if defined(__SSSE3__)
 #define OBLAS_SSE3
 #endif
 #endif