diff --git a/bh_tree_mpi/mpimain.cpp b/bh_tree_mpi/mpimain.cpp
index 774bb08ba367cd383be52efeb9581dec2cb04e12..3412d1ec78c5a0ca084e68d3b12b08220e0be4a4 100644
--- a/bh_tree_mpi/mpimain.cpp
+++ b/bh_tree_mpi/mpimain.cpp
@@ -14,7 +14,7 @@ int main(int argc, char* argv[]) {
 
 	simulation.distributeBodies();
 	simulation.distributeDomains();
-	//simulation.buildTree();
+	simulation.buildTree();
 
 	/*
 	for (int i = 0; i < 1; i++) {
diff --git a/bh_tree_mpi/simulation/MpiSimulation.cpp b/bh_tree_mpi/simulation/MpiSimulation.cpp
index 3e4a266e0366be1a6e8da98437fbef904262a5e5..35c35e84bb1c0a7928253ea6a832c4096bc40df6 100644
--- a/bh_tree_mpi/simulation/MpiSimulation.cpp
+++ b/bh_tree_mpi/simulation/MpiSimulation.cpp
@@ -168,12 +168,11 @@ namespace nbody {
 		for (int i = 0; i < this->parallelSize; i++) {
 			extend(this->overallDomain, this->domains[i]);
 		}
-		printBB(this->parallelRank, this->overallDomain);
 	}
 
 	void MpiSimulation::distributeLETs() {
-		/*
 		//send out locally essential trees (local bodies needed by remote simulations)
+		/*
 		for (int i = 0; i < this->parallelSize; i++) {
 			if (i != this->parallelRank) {
 				printBB(this->parallelRank, this->domains[i]);