2 files changed, 0 insertions, 15 deletions
diff --git a/runtime/js/40_testing.js b/runtime/js/40_testing.js
index 118db5db1..92d7fe491 100644
--- a/runtime/js/40_testing.js
+++ b/runtime/js/40_testing.js
@@ -29,7 +29,6 @@
     RegExpPrototypeTest,
     SymbolToStringTag,
   } = window.__bootstrap.primordials;
-  let testStepsEnabled = false;
 
   const opSanitizerDelayResolveQueue = [];
 
@@ -746,12 +745,6 @@ finishing test case.`;
        * @param fn {(t: TestContext) => void | Promise<void>}
        */
       async step(nameOrTestDefinition, fn) {
-        if (!testStepsEnabled) {
-          throw new Error(
-            "Test steps are unstable. The --unstable flag must be provided.",
-          );
-        }
-
         if (parentStep.finalized) {
           throw new Error(
             "Cannot run test step after parent scope has finished execution. " +
@@ -890,14 +883,9 @@ finishing test case.`;
     return value == null ? defaultValue : value;
   }
 
-  function enableTestSteps() {
-    testStepsEnabled = true;
-  }
-
   window.__bootstrap.internals = {
     ...window.__bootstrap.internals ?? {},
     runTests,
-    enableTestSteps,
   };
 
   window.__bootstrap.testing = {
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index 534a28733..0c5555dd0 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -214,9 +214,6 @@ delete Object.prototype.__proto__;
       runtimeOptions.v8Version,
       runtimeOptions.tsVersion,
     );
-    if (runtimeOptions.unstableFlag) {
-      internals.enableTestSteps();
-    }
     build.setBuildInfo(runtimeOptions.target);
     util.setLogDebug(runtimeOptions.debugFlag, source);
     const prepareStackTrace = core.createPrepareStackTrace(