diff --git a/Src/GroupTree/Core/FGroupTaskStarpuMpiAlgorithm.hpp b/Src/GroupTree/Core/FGroupTaskStarpuMpiAlgorithm.hpp
index e3cad1296dd8266b7d580b7f47d88a490c654f53..889cb80f205f0a5d95de4fcd6f590471e9ce2b79 100644
--- a/Src/GroupTree/Core/FGroupTaskStarpuMpiAlgorithm.hpp
+++ b/Src/GroupTree/Core/FGroupTaskStarpuMpiAlgorithm.hpp
@@ -241,7 +241,6 @@ public:
 		int *tag_ub = 0; 
         int ok = 0; 
         MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_TAG_UB, &tag_ub, &ok);
-        std::cerr << "Tag ub : " << *tag_ub << " " << ok << std::endl;
 
 
         starpu_malloc_set_align(32);
diff --git a/Tests/GroupTree/testBlockedImplicitChebyshev.cpp b/Tests/GroupTree/testBlockedImplicitChebyshev.cpp
index fbc6ebe0d65b9470f9f2311c3a86339802e3a8db..b2ff756d2cc80c955ab282924b9189d95440f452 100644
--- a/Tests/GroupTree/testBlockedImplicitChebyshev.cpp
+++ b/Tests/GroupTree/testBlockedImplicitChebyshev.cpp
@@ -138,9 +138,7 @@ int main(int argc, char* argv[]){
 	}
     // Put the data into the tree
 	
-	//GroupOctreeClass groupedTree(NbLevels, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize, &allParticles, false);
 	GroupOctreeClass groupedTree(NbLevels, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize, &allParticles, sizeForEachGroup, true);
-	groupedTree.printInfoBlocks();
 
     // Run the algorithm
 	int operationsToProceed = FFmmP2M | FFmmM2M | FFmmM2L | FFmmL2L | FFmmL2P | FFmmP2P;
diff --git a/Tests/GroupTree/testBlockedImplicitUniform.cpp b/Tests/GroupTree/testBlockedImplicitUniform.cpp
index 06e2d241dd900dc3548a7b0badf7b696a99a6657..16e5886e86304e5ffda54fcb4c5ee4f4c5864e30 100644
--- a/Tests/GroupTree/testBlockedImplicitUniform.cpp
+++ b/Tests/GroupTree/testBlockedImplicitUniform.cpp
@@ -141,8 +141,7 @@ int main(int argc, char* argv[]){
 	}
     // Put the data into the tree
 	
-	GroupOctreeClass groupedTree(NbLevels, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize, &allParticles, true);
-	//GroupOctreeClass groupedTree(NbLevels, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize, &allParticles, sizeForEachGroup, true);
+	GroupOctreeClass groupedTree(NbLevels, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize, &allParticles, sizeForEachGroup, true);
 
     // Run the algorithm
 	int operationsToProceed = FFmmP2P; // | FFmmP2M | FFmmM2M | FFmmM2L | FFmmL2L | FFmmL2P;
diff --git a/Tests/GroupTree/testBlockedMpiChebyshev.cpp b/Tests/GroupTree/testBlockedMpiChebyshev.cpp
index 1a0bc954c68adfa9e664b16ab889039e0a5d395f..46eb2ebf0f7989345d0a07e57db0a5617c87e895 100644
--- a/Tests/GroupTree/testBlockedMpiChebyshev.cpp
+++ b/Tests/GroupTree/testBlockedMpiChebyshev.cpp
@@ -157,9 +157,9 @@ int main(int argc, char* argv[]){
     }
     GroupOctreeClass groupedTree(TreeHeight, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize,
                                  &myParticlesInContainer, true, leftLimite);
-    //groupedTree.printInfoBlocks();
+    
     timer.tac();
-	//std::cerr << "Done  " << "(@Creating and Inserting Particles = " << timer.elapsed() << "s)." << std::endl;
+	std::cerr << "Done  " << "(@Creating and Inserting Particles = " << timer.elapsed() << "s)." << std::endl;
 
 	int operationsToProceed = FFmmP2M | FFmmM2M | FFmmM2L | FFmmL2L | FFmmL2P | FFmmP2P;
     { // -----------------------------------------------------
diff --git a/Tests/GroupTree/testBlockedMpiUniform.cpp b/Tests/GroupTree/testBlockedMpiUniform.cpp
index 693dd796a361679646ccb2151f2b98ddc4dec8d1..cab427b650a3ff667e630bca35446af565b13dc9 100644
--- a/Tests/GroupTree/testBlockedMpiUniform.cpp
+++ b/Tests/GroupTree/testBlockedMpiUniform.cpp
@@ -157,9 +157,8 @@ int main(int argc, char* argv[]){
     }
     GroupOctreeClass groupedTree(TreeHeight, loader.getBoxWidth(), loader.getCenterOfBox(), groupSize,
                                  &myParticlesInContainer, true, leftLimite);
-    //groupedTree.printInfoBlocks();
     timer.tac();
-	//std::cerr << "Done  " << "(@Creating and Inserting Particles = " << timer.elapsed() << "s)." << std::endl;
+	std::cerr << "Done  " << "(@Creating and Inserting Particles = " << timer.elapsed() << "s)." << std::endl;
 
 	int operationsToProceed =  FFmmP2P | FFmmP2M | FFmmM2M | FFmmM2L | FFmmL2L | FFmmL2P;
     { // -----------------------------------------------------