diff --git a/deps/math-neon/source/math_sqrtfv.c b/deps/math-neon/source/math_sqrtfv.c
index c657db5d34..c647403a28 100644
--- a/deps/math-neon/source/math_sqrtfv.c
+++ b/deps/math-neon/source/math_sqrtfv.c
@@ -100,7 +100,7 @@ void sqrtfv_c(float *x, int n, float *r)
 
 void sqrtfv_neon(float *x, int n, float *r)
 {
-#ifdef __MATH_NEON
+#if 0
 	asm volatile (
 
 	"tst 			r1, #1 					\n\t"	//r1 & 1