diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
index e2dc634..22c8ff0 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
@@ -175,9 +175,6 @@
 
                 // Force to change PushPullSelectionStage to construct mxGraph
                 boolean stageChanged = changeStage(STAGE_PUSH_PULL_SELECTION);
-                if (stageChanged && curStage instanceof PushPullSelectionStage) {
-                    ((PushPullSelectionStage) curStage).constructGraph();		// Construction of data-flow graph
-                }
 
                 // Set layout
                 setDAGLayout();
@@ -211,9 +208,6 @@
 
                 // Force to change PushPullSelectionStage to construct mxGraph
                 boolean stageChanged = changeStage(STAGE_PUSH_PULL_SELECTION);
-                if (stageChanged && curStage instanceof PushPullSelectionStage) {
-                    ((PushPullSelectionStage) curStage).constructGraph();		// Construction of data-flow graph
-                }
 
                 // Restore the geometry
                 parser.doParseGeometry(graph);