diff --git a/Source/functions/solve/structure.cpp b/Source/functions/solve/structure.cpp
index a583e01..3b924fc 100755
--- a/Source/functions/solve/structure.cpp
+++ b/Source/functions/solve/structure.cpp
@@ -141,7 +141,7 @@ bool backtrack(vector<LogEntry>& log, Puzzle& puzzleMat)
         //remove similar in log
          Part myPart = *log.back().PieceCollector[0].second;//tmpsaves bad part
           log.back().PieceCollector.erase(log.back().PieceCollector.begin());//removes bad part from log
-          //puzzleMat.removeSimilar(log.back().PieceCollector,myPart); //removes all pieces from log that are similar to bad part
+          puzzleMat.removeSimilar(log.back().PieceCollector,myPart); //removes all pieces from log that are similar to bad part
         //TODO reprogram similar removal to allow multilayer tracking
         if(log.back().PieceCollector.size()) // this checks if 'removeSimilar' has cleared entire LogElement
         {