diff --git a/static_core/plugins/ets/runtime/ets_panda_file_items.h b/static_core/plugins/ets/runtime/ets_panda_file_items.h
index abbda9808ceebede77aa42331eff52d3d7e4aeff..707c6026c298031bc580aaa096ecf2401533174e 100644
--- a/static_core/plugins/ets/runtime/ets_panda_file_items.h
+++ b/static_core/plugins/ets/runtime/ets_panda_file_items.h
@@ -229,7 +229,7 @@ static constexpr std::string_view INTERFACE_OBJ_LITERAL                = "Lstd/a
 // escompat
 static constexpr std::string_view DATE                                 = "Lescompat/Date;";
 static constexpr std::string_view ARRAY_ENTRIES_ITERATOR_T             = "Lescompat/ArrayEntriesIterator_T;";
-static constexpr std::string_view ITERATOR_RESULT                      = "Lescompat/IteratorResult;";
+static constexpr std::string_view ITERATOR_RESULT                      = "Lstd/core/IteratorResult;";
 static constexpr std::string_view ARRAY_KEYS_ITERATOR                  = "Lescompat/ArrayKeysIterator;";
 static constexpr std::string_view ARRAY_VALUES_ITERATOR_T              = "Lescompat/ArrayValuesIterator_T;";
 static constexpr std::string_view MAP                                  = "Lescompat/Map;";
diff --git a/static_core/plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h b/static_core/plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h
index 4dce0434119e7eacc67293c92a399abf05cbe5d1..887eea9a084a3a5b43e40efcbfed21e38ad8b2ee 100644
--- a/static_core/plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h
+++ b/static_core/plugins/ets/runtime/interop_js/ets_proxy/ets_class_wrapper.h
@@ -184,7 +184,7 @@ private:
     napi_ref jsProxyCtorRef_ {};
     napi_ref jsProxyHandlerRef_ {};
 
-    static constexpr const char *INTERFACE_ITERABLE_NAME = "escompat.IterableIterator";
+    static constexpr const char *INTERFACE_ITERABLE_NAME = "std.core.IterableIterator";
 };
 
 class JSRefConvertJSProxy : public JSRefConvert {
diff --git a/static_core/plugins/ets/runtime/interop_js/js_refconvert_builtin.cpp b/static_core/plugins/ets/runtime/interop_js/js_refconvert_builtin.cpp
index 4bffa875531272cc583d60b38865f20216d9637d..158b49e204bc5d7e76d0cd6b2c0234dd6a1d63cd 100644
--- a/static_core/plugins/ets/runtime/interop_js/js_refconvert_builtin.cpp
+++ b/static_core/plugins/ets/runtime/interop_js/js_refconvert_builtin.cpp
@@ -253,7 +253,7 @@ private:
     {
         static const ets_proxy::EtsClassWrapper::OverloadsMap W_MAP_OVERLOADS = {
             {utf::CStringAsMutf8("<ctor>"),
-             {"{ULescompat/Iterable;Lescompat/ReadonlyArray;Lstd/core/Null;}:V", 2, "<ctor>"}}};
+             {"{ULstd/core/Iterable;Lescompat/ReadonlyArray;Lstd/core/Null;}:V", 2, "<ctor>"}}};
         wMap_ = RegisterClassWithLeafMatcher(descriptors::MAP, "Map", &W_MAP_OVERLOADS);
     }
 
@@ -261,7 +261,7 @@ private:
     {
         static const ets_proxy::EtsClassWrapper::OverloadsMap W_SET_OVERLOADS = {
             {utf::CStringAsMutf8("<ctor>"),
-             {"{ULescompat/Iterable;Lstd/core/Null;[Lstd/core/Object;}:V", 2, "<ctor>"}}};
+             {"{ULstd/core/Iterable;Lstd/core/Null;[Lstd/core/Object;}:V", 2, "<ctor>"}}};
         wSet_ = RegisterClassWithLeafMatcher(descriptors::SET, "Set", &W_SET_OVERLOADS);
     }
 
diff --git a/static_core/plugins/ets/stdlib/escompat/Array.ets b/static_core/plugins/ets/stdlib/escompat/Array.ets
index 75e87d56f45604de407420204858e10b28a78cc7..311e3115fb1d6afa11fe2f9c09b0e3e85b3c418f 100644
--- a/static_core/plugins/ets/stdlib/escompat/Array.ets
+++ b/static_core/plugins/ets/stdlib/escompat/Array.ets
@@ -14,6 +14,7 @@
  */
 
 package escompat;
+import {iteratorForEach} from "std/core"
 
 // NOTE: autogenerated file
 
diff --git a/static_core/plugins/ets/stdlib/escompat/TypedArrays.ets b/static_core/plugins/ets/stdlib/escompat/TypedArrays.ets
index 1d7a7f47d62545be0403852c31cdacbcca88e022..c6c6fd9b7a1cece6e348e3ebd5be8c7ceab0334e 100644
--- a/static_core/plugins/ets/stdlib/escompat/TypedArrays.ets
+++ b/static_core/plugins/ets/stdlib/escompat/TypedArrays.ets
@@ -16,6 +16,7 @@
 // Autogenerated file. DO NOT EDIT
 
 package escompat
+import {iteratorForEach, tryGetIteratorLength} from "std/core"
 
 class Int8ArrayIteratorKeys implements IterableIterator<number> {
     private length: int
diff --git a/static_core/plugins/ets/stdlib/escompat/Iterator.ets b/static_core/plugins/ets/stdlib/std/core/Iterator.ets
similarity index 91%
rename from static_core/plugins/ets/stdlib/escompat/Iterator.ets
rename to static_core/plugins/ets/stdlib/std/core/Iterator.ets
index 5f13bdab6e4c108d68ff33d424d35763706e6696..4a69297a47255035863cbbea24a24707383553bf 100644
--- a/static_core/plugins/ets/stdlib/escompat/Iterator.ets
+++ b/static_core/plugins/ets/stdlib/std/core/Iterator.ets
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package escompat;
+package std.core;
 
 export class IteratorResult<T> {
     done: boolean
@@ -49,7 +49,7 @@ export interface IterableIterator<out T> extends Iterator<T>, Iterable<T> {
     }
 }
 
-function iteratorForEach<V>(x: Iterator<V>, fn: (x: V) => void): void {
+export function iteratorForEach<V>(x: Iterator<V>, fn: (x: V) => void): void {
     while (true) {
         const v = x.next()
         if (v.done) {
@@ -59,7 +59,7 @@ function iteratorForEach<V>(x: Iterator<V>, fn: (x: V) => void): void {
     }
 }
 
-function tryGetIteratorLength (a: Object): int | null {
+export function tryGetIteratorLength (a: Object): int | null {
     const aType = Type.of(a) as ClassType
     for (let i = 0; i < aType.getMethodsNum(); ++i) {
         let m = aType.getMethod(i)
diff --git a/static_core/plugins/ets/templates/stdlib/Array_escompat.erb b/static_core/plugins/ets/templates/stdlib/Array_escompat.erb
index 2afd21bed82ef2c7660b77041dc9d7562e20550c..b0900db494cf4282303ff9dd19123ee6151fdace 100644
--- a/static_core/plugins/ets/templates/stdlib/Array_escompat.erb
+++ b/static_core/plugins/ets/templates/stdlib/Array_escompat.erb
@@ -14,6 +14,7 @@
  */
 
 package escompat;
+import {iteratorForEach} from "std/core"
 
 // NOTE: autogenerated file
 
diff --git a/static_core/plugins/ets/templates/stdlib/typedArray.ets.j2 b/static_core/plugins/ets/templates/stdlib/typedArray.ets.j2
index 5ac995d860ebb370130dee0991423668f3b27e0a..02819eb7c5b3956f3c87319d8f9cf567dffbc3c1 100644
--- a/static_core/plugins/ets/templates/stdlib/typedArray.ets.j2
+++ b/static_core/plugins/ets/templates/stdlib/typedArray.ets.j2
@@ -16,6 +16,7 @@
 // Autogenerated file. DO NOT EDIT
 
 package escompat
+import {iteratorForEach, tryGetIteratorLength} from "std/core"
 
 {%- for N, U, T, BT, S in [
     ('Int8', 'Uint8', 'byte', 'Byte', 1),
diff --git a/static_core/plugins/ets/tests/ets_func_tests/escompat/IteratorArrayTest.ets b/static_core/plugins/ets/tests/ets_func_tests/std/core/IteratorArrayTest.ets
similarity index 100%
rename from static_core/plugins/ets/tests/ets_func_tests/escompat/IteratorArrayTest.ets
rename to static_core/plugins/ets/tests/ets_func_tests/std/core/IteratorArrayTest.ets
diff --git a/static_core/plugins/ets/tests/test-lists/ets-func-tests/ets-func-tests-excluded.txt b/static_core/plugins/ets/tests/test-lists/ets-func-tests/ets-func-tests-excluded.txt
index 785881df02a0a4c9475996a681534649411451c2..2f7f80e5b5febe8a0a7aa400d3048cc3c50a9e60 100644
--- a/static_core/plugins/ets/tests/test-lists/ets-func-tests/ets-func-tests-excluded.txt
+++ b/static_core/plugins/ets/tests/test-lists/ets-func-tests/ets-func-tests-excluded.txt
@@ -26,7 +26,7 @@ escompat/JsonStringifyTest.ets
 # extended
 escompat/ArrayProxyTest.ets
 escompat/ArrayTest7.ets
-escompat/IteratorArrayTest.ets
+std/core/IteratorArrayTest.ets
 escompat/escompat_Array_modifications_Test_escompat_Array_modifications.ets
 escompat/escompat_Array_modifications_Test_escompat_Array_modifications_001.ets
 escompat/escompat_Array_modifications_Test_escompat_Array_modifications_002.ets