diff --git a/avx2.hh b/avx2.hh
index afd76dd..f767037 100644
--- a/avx2.hh
+++ b/avx2.hh
@@ -987,14 +987,6 @@ inline SIMD<int32_t, 8> vmin(SIMD<int32_t, 8> a, SIMD<int32_t, 8> b)
 	return tmp;
 }
 
-template <>
-inline SIMD<int64_t, 4> vmin(SIMD<int64_t, 4> a, SIMD<int64_t, 4> b)
-{
-	SIMD<int64_t, 4> tmp;
-	tmp.m = _mm256_min_epi64(a.m, b.m);
-	return tmp;
-}
-
 template <>
 inline SIMD<float, 8> vmax(SIMD<float, 8> a, SIMD<float, 8> b)
 {
@@ -1035,14 +1027,6 @@ inline SIMD<int32_t, 8> vmax(SIMD<int32_t, 8> a, SIMD<int32_t, 8> b)
 	return tmp;
 }
 
-template <>
-inline SIMD<int64_t, 4> vmax(SIMD<int64_t, 4> a, SIMD<int64_t, 4> b)
-{
-	SIMD<int64_t, 4> tmp;
-	tmp.m = _mm256_max_epi64(a.m, b.m);
-	return tmp;
-}
-
 template <>
 inline SIMD<float, 8> vclamp(SIMD<float, 8> x, float a, float b)
 {