diff --git a/src/main/java/edu/lu/uni/serval/fixminer/akka/ediff/HierarchicalRegrouperForC.java b/src/main/java/edu/lu/uni/serval/fixminer/akka/ediff/HierarchicalRegrouperForC.java
index 719a173..323becd 100644
--- a/src/main/java/edu/lu/uni/serval/fixminer/akka/ediff/HierarchicalRegrouperForC.java
+++ b/src/main/java/edu/lu/uni/serval/fixminer/akka/ediff/HierarchicalRegrouperForC.java
@@ -84,7 +84,67 @@ public class HierarchicalRegrouperForC {
 //				}
 			}
 		}
-		return reActionSets;
+		List<HierarchicalActionSet> reActionSets1 = new ArrayList<>();
+		for(HierarchicalActionSet a:reActionSets){
+			HierarchicalActionSet hierarchicalActionSet = removeBlocks(a);
+			hierarchicalActionSet = removeIFthenBlocks(hierarchicalActionSet);
+			reActionSets1.add(hierarchicalActionSet);
+
+		}
+		return reActionSets1;
+//		return reActionSets;
+	}
+
+	private HierarchicalActionSet removeBlocks(HierarchicalActionSet actionSet){
+		List<HierarchicalActionSet> subActions = actionSet.getSubActions();
+		if (subActions.size() == 1){
+			HierarchicalActionSet subaction = subActions.get(0);
+			//else,then,block
+			if(subaction.getAstNodeType().equals("block")){//|| subaction.getAstNodeType().equals("then") || subaction.getAstNodeType().equals("else")){
+				List<HierarchicalActionSet> subSubActions = subaction.getSubActions();
+				if(subSubActions.size() == 1){
+
+					HierarchicalActionSet subsubsubAction = subSubActions.get(0);
+					List<Integer> keysByValue = NodeMap_new.getKeysByValue(NodeMap_new.StatementMap, subsubsubAction.getAstNodeType());
+					if(keysByValue != null && keysByValue.size() ==1){
+						subsubsubAction.setParent(null);
+						return removeBlocks(subsubsubAction);
+
+					}
+				}
+			}
+		}
+		return actionSet;
+
+	}
+	private HierarchicalActionSet removeIFthenBlocks(HierarchicalActionSet actionSet){
+		List<HierarchicalActionSet> subActions = actionSet.getSubActions();
+		if (subActions.size() == 1){
+			HierarchicalActionSet subaction = subActions.get(0);
+			//else,then,block
+			if(subaction.getAstNodeType().equals("then")|| subaction.getAstNodeType().equals("else")){//|| subaction.getAstNodeType().equals("then") || subaction.getAstNodeType().equals("else")){
+				List<HierarchicalActionSet> subSubActions = subaction.getSubActions();
+				if(subSubActions.size() == 1){
+
+					HierarchicalActionSet subsubsubAction = subSubActions.get(0);
+					if(subsubsubAction.getAstNodeType().equals("block")){
+						List<HierarchicalActionSet> subActions1 = subsubsubAction.getSubActions();
+						if (subActions1.size() ==1){
+							HierarchicalActionSet hierarchicalActionSet = subActions1.get(0);
+							List<Integer> keysByValue = NodeMap_new.getKeysByValue(NodeMap_new.StatementMap, hierarchicalActionSet.getAstNodeType());
+							if(keysByValue != null && keysByValue.size() ==1){
+								hierarchicalActionSet.setParent(null);
+								return removeBlocks(hierarchicalActionSet);
+
+							}
+						}
+					}
+
+				}
+			}
+		}
+		return actionSet;
+
 	}
 
 	private HierarchicalActionSet createActionSet(Action act, Action parentAct, HierarchicalActionSet parent) {