diff --git a/sha.cpp b/sha.cpp
index 969f28ce..587405b5 100644
--- a/sha.cpp
+++ b/sha.cpp
@@ -1033,7 +1033,7 @@ std::string SHA512_AlgorithmProvider()
     if (HasSSE2())
         return "SSE2";
 #endif
-#if CRYPTOGAMS_ARM_SHA512
+#if CRYPTOGAMS_ARM_SHA512 && 0
     if (HasNEON())
         return "NEON";
     if (HasARMv7())