diff --git a/build.zig b/build.zig
index caaa7bcf..986f6d37 100644
--- a/build.zig
+++ b/build.zig
@@ -64,7 +64,6 @@ pub fn build(b: *std.build.Builder) !void {
                 lib.defineCMacro("HAVE_CATCHABLE_SEGV", "1");
                 lib.defineCMacro("HAVE_GETENTROPY", "1");
                 lib.defineCMacro("HAVE_GETPID", "1");
-                lib.defineCMacro("HAVE_GETRANDOM", "1");
                 lib.defineCMacro("HAVE_INLINE_ASM", "1");
                 lib.defineCMacro("HAVE_MADVISE", "1");
                 lib.defineCMacro("HAVE_MLOCK", "1");