diff --git a/astgen_test.zig b/astgen_test.zig
index 604fcbe46a..5e6d6d7db9 100644
--- a/astgen_test.zig
+++ b/astgen_test.zig
@@ -643,11 +643,11 @@ fn zirMatches(_: Allocator, ref: Zir, got: c.Zir) bool {
     }
 
     {
-        const elen: u32 = @intCast(ref.extra.len);
-        const slen: u32 = @intCast(ref.string_bytes.len);
-        std.debug.print("  inst_len: ref={d} got={d}\n", .{ ref_len, got.inst_len });
-        std.debug.print("  extra_len: ref={d} got={d} diff={d}\n", .{ elen, got.extra_len, @as(i64, elen) - @as(i64, got.extra_len) });
-        std.debug.print("  string_bytes_len: ref={d} got={d} diff={d}\n", .{ slen, got.string_bytes_len, @as(i64, slen) - @as(i64, got.string_bytes_len) });
+        // const elen: u32 = @intCast(ref.extra.len);
+        // const slen: u32 = @intCast(ref.string_bytes.len);
+        // std.debug.print("  inst_len: ref={d} got={d}\n", .{ ref_len, got.inst_len });
+        // std.debug.print("  extra_len: ref={d} got={d} diff={d}\n", .{ elen, got.extra_len, @as(i64, elen) - @as(i64, got.extra_len) });
+        // std.debug.print("  string_bytes_len: ref={d} got={d} diff={d}\n", .{ slen, got.string_bytes_len, @as(i64, slen) - @as(i64, got.string_bytes_len) });
     }
 
     const ref_tags = ref.instructions.items(.tag);