2 files changed, 10 insertions, 0 deletions
diff --git a/cli/js/40_bench.js b/cli/js/40_bench.js
index e1373c990..a94c782fc 100644
--- a/cli/js/40_bench.js
+++ b/cli/js/40_bench.js
@@ -47,6 +47,11 @@ function bench(
   optionsOrFn,
   maybeFn,
 ) {
+  // No-op if we're not running in `deno bench` subcommand.
+  if (typeof op_register_bench !== "function") {
+    return;
+  }
+
   if (!registeredWarmupBench) {
     registeredWarmupBench = true;
     const warmupBenchDesc = {
diff --git a/cli/js/40_test.js b/cli/js/40_test.js
index 2e448e847..d93228940 100644
--- a/cli/js/40_test.js
+++ b/cli/js/40_test.js
@@ -198,6 +198,11 @@ function testInner(
   maybeFn,
   overrides = {},
 ) {
+  // No-op if we're not running in `deno test` subcommand.
+  if (typeof op_register_test !== "function") {
+    return;
+  }
+
   let testDesc;
   const defaults = {
     ignore: false,