diff --git a/sys/contrib/zstd/lib/common/zstd_internal.h b/sys/contrib/zstd/lib/common/zstd_internal.h
index 3bc7e55a0a97..230558a76f27 100644
--- a/sys/contrib/zstd/lib/common/zstd_internal.h
+++ b/sys/contrib/zstd/lib/common/zstd_internal.h
@@ -19,7 +19,7 @@
 /*-*************************************
 *  Dependencies
 ***************************************/
-#ifdef __aarch64__
+#if defined(__aarch64__) && !defined(_KERNEL)
 #include <arm_neon.h>
 #endif
 #include "compiler.h"
@@ -228,7 +228,7 @@ static const U32 OF_defaultNormLog = OF_DEFAULTNORMLOG;
 *  Shared functions to include for inlining
 *********************************************/
 static void ZSTD_copy8(void* dst, const void* src) {
-#ifdef __aarch64__
+#if defined(__aarch64__) && !defined(_KERNEL)
     vst1_u8((uint8_t*)dst, vld1_u8((const uint8_t*)src));
 #else
     memcpy(dst, src, 8);
@@ -237,7 +237,7 @@ static void ZSTD_copy8(void* dst, const void* src) {
 
 #define COPY8(d,s) { ZSTD_copy8(d,s); d+=8; s+=8; }
 static void ZSTD_copy16(void* dst, const void* src) {
-#ifdef __aarch64__
+#if defined(__aarch64__) && !defined(_KERNEL)
     vst1q_u8((uint8_t*)dst, vld1q_u8((const uint8_t*)src));
 #else
     memcpy(dst, src, 16);