diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index da5e8e849a2..2d7a6a107fd 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -803,10 +803,6 @@ DIFFERENT_SIGNS(GLfloat x, GLfloat y)
 #define ENUM_TO_DOUBLE(E)  ((GLdouble)(GLint)(E))
 #define ENUM_TO_BOOLEAN(E) ((E) ? GL_TRUE : GL_FALSE)
 
-/* Compute the size of an array */
-#ifndef ARRAY_SIZE
-#  define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
-#endif
 
 /* Stringify */
 #define STRINGIFY(x) #x