diff --git a/test/behavior/union.zig b/test/behavior/union.zig
index a7b7c20a361d192a034363cc64a06ecc1f2b572a..1760f02c2299cf774153c64f24b76151249830e9 100644
--- a/test/behavior/union.zig
+++ b/test/behavior/union.zig
@@ -1020,7 +1020,7 @@ test "containers with single-field enums" {
     try comptime S.doTheTest();
 }
 
-test "@unionInit on union with tag but no fields" {
+test "@unionInit on union with u8 tag but no fields" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
@@ -1036,10 +1036,6 @@ test "@unionInit on union with tag but no fields" {
             }
         };
 
-        comptime {
-            assert(@sizeOf(Data) == 1);
-        }
-
         fn doTheTest() !void {
             var data: Data = .{ .no_op = {} };
             _ = &data;