diff --git a/cores/arduino/WString.cpp b/cores/arduino/WString.cpp
index eb17895..1f06d2b 100644
--- a/cores/arduino/WString.cpp
+++ b/cores/arduino/WString.cpp
@@ -19,6 +19,8 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+#pragma GCC diagnostic ignored "-Wrestrict" // для GCC и Clang
+
 #include "WString.h"
 #include "itoa.h"