diff --git a/test/behavior/cast.zig b/test/behavior/cast.zig
index 231fa25b2dee9e1f7b8bcbe36da6d42ced3a6053..b98eaea37ae024d671d4be0b491e03e61a67844a 100644
--- a/test/behavior/cast.zig
+++ b/test/behavior/cast.zig
@@ -326,8 +326,7 @@ test "array coersion to undefined at runtime" {
 
     @setRuntimeSafety(true);
 
-    // TODO implement @setRuntimeSafety in stage2
-    if (builtin.zig_backend != .stage1 and builtin.mode != .Debug and builtin.mode != .ReleaseSafe) {
+    if (builtin.mode != .Debug and builtin.mode != .ReleaseSafe) {
         return error.SkipZigTest;
     }