diff --git a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_worker_with_return.json b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_worker_with_return.json
index df795958bbf6..7ada80c6ccce 100644
--- a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_worker_with_return.json
+++ b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_worker_with_return.json
@@ -24,7 +24,9 @@
     },
     "unusedTypeDefNames": {
       "sourceTypeDefinitions": [],
-      "virtualTypeDefinitions": []
+      "virtualTypeDefinitions": [
+        "$anonType$_0"
+      ]
     },
     "usedNativeClassPaths": []
   }
diff --git a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_workers.json b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_workers.json
index 0fdee75227ad..45a4be1166b8 100644
--- a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_workers.json
+++ b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/function_invocation_inside_workers.json
@@ -26,7 +26,9 @@
     },
     "unusedTypeDefNames": {
       "sourceTypeDefinitions": [],
-      "virtualTypeDefinitions": []
+      "virtualTypeDefinitions": [
+        "$anonType$_0"
+      ]
     },
     "usedNativeClassPaths": []
   }
diff --git a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker.json b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker.json
index d66edcbd1a90..6b514426d669 100644
--- a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker.json
+++ b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker.json
@@ -25,7 +25,9 @@
       "sourceTypeDefinitions": [
         "UnusedTypeDef"
       ],
-      "virtualTypeDefinitions": []
+      "virtualTypeDefinitions": [
+        "$anonType$_1"
+      ]
     },
     "usedNativeClassPaths": []
   }
diff --git a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker_with_return.json b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker_with_return.json
index cc001f6a14cd..c86a290fe1f7 100644
--- a/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker_with_return.json
+++ b/tests/jballerina-unit-test/src/test/resources/test-src/codegen-optimizer/json-files/build-projects/type_definition_inside_worker_with_return.json
@@ -25,7 +25,9 @@
       "sourceTypeDefinitions": [
         "UnusedTypeDef"
       ],
-      "virtualTypeDefinitions": []
+      "virtualTypeDefinitions": [
+        "$anonType$_1"
+      ]
     },
     "usedNativeClassPaths": []
   }