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