diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
index af45f233..8313cfd1 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.types.mps
@@ -1169,15 +1169,9 @@
                         </node>
                         <node concept="nsMwS" id="2vhmmFsNmw_" role="ns1xD">
                           <ref role="nsMwP" node="JOGAOsVt2e" resolve="parameter" />
-                          <node concept="1nq8_$" id="2vhmmFsNs2M" role="nsMwV">
-                            <node concept="Hz6ka" id="2vhmmFsNs2N" role="1nq8_t">
-                              <node concept="1Pxxm1" id="7L5omgek1rT" role="Hz6kd">
-                                <node concept="3wAshV" id="7L5omgek1rU" role="1Pxxm2">
-                                  <node concept="a7P8L" id="2vhmmFsR$B0" role="3wAq21">
-                                    <ref role="a7OzE" node="2vhmmFsR$$B" resolve="ClassP" />
-                                  </node>
-                                </node>
-                              </node>
+                          <node concept="1nq8_$" id="4U$Q3dLmQlE" role="nsMwV">
+                            <node concept="a7P8L" id="4U$Q3dLmQlD" role="1nq8_t">
+                              <ref role="a7OzE" node="2vhmmFsR$$B" resolve="ClassP" />
                             </node>
                           </node>
                         </node>