diff --git a/src/common.h b/src/common.h

index ff00b4d..9ab50d0 100644

--- a/src/common.h

+++ b/src/common.h

@@ -30,11 +30,7 @@

 /* When built with a C11 compiler, CHAR_ARRAY_SIZE will cause an error if the

    argument is not actually a char[] array. */

-#if __STDC_VERSION__ >= 201112L

-#define CHAR_ARRAY_SIZE(array) _Generic(&(array), char (*)[]: sizeof(array))

-#else

 #define CHAR_ARRAY_SIZE(array) sizeof(array)

-#endif

 /* Since Aqualung uses fixed-size C strings in many places, provide wrappers

    for bounded string operations that use CHAR_ARRAY_SIZE to ensure it's an