diff --git a/cli/js/40_testing.js b/cli/js/40_testing.js
index 4dd24a2860..9896df34b3 100644
--- a/cli/js/40_testing.js
+++ b/cli/js/40_testing.js
@@ -708,7 +708,7 @@
       );
     }
     testDesc.origin = getTestOrigin();
-    const jsError = Deno.core.destructureError(new Error());
+    const jsError = core.destructureError(new Error());
     testDesc.location = {
       fileName: jsError.frames[1].fileName,
       lineNumber: jsError.frames[1].lineNumber,
@@ -1290,7 +1290,7 @@
         stepDesc.sanitizeResources ??= desc.sanitizeResources;
         stepDesc.sanitizeExit ??= desc.sanitizeExit;
         stepDesc.origin = getTestOrigin();
-        const jsError = Deno.core.destructureError(new Error());
+        const jsError = core.destructureError(new Error());
         stepDesc.location = {
           fileName: jsError.frames[1].fileName,
           lineNumber: jsError.frames[1].lineNumber,
diff --git a/ext/node/02_require.js b/ext/node/02_require.js
index b5117042de..53921c2425 100644
--- a/ext/node/02_require.js
+++ b/ext/node/02_require.js
@@ -353,7 +353,7 @@
         }
       }
 
-      const isDenoDirPackage = Deno.core.ops.op_require_is_deno_dir_package(
+      const isDenoDirPackage = core.ops.op_require_is_deno_dir_package(
         curPath,
       );
       const isRelative = ops.op_require_is_request_relative(