diff --git a/mbdynFMI.cc b/mbdynFMI.cc
index d981caf..f6af061 100644
--- a/mbdynFMI.cc
+++ b/mbdynFMI.cc
@@ -206,17 +206,17 @@ void fmu2::GetDirectionalDerivatives(double** jacobian, int* inputStatesVRef, in
 		stateList[i] = inputStatesVRef[i-numOfContStates];
 	}
 
-	fmi2_real_t output[numOfContStates + inputLength];
-	
-	jacobian = new double*[numOfContStates];
+	fmi2_real_t output[numOfContStates + inputLength];	
 
 	for (int i=0; i<numOfContStates; i++){
 		fmistatus = fmi2_import_get_directional_derivative(fmu, stateList, numOfContStates + inputLength, &derList[i], 1, output , seedVector);
 		STATUSCHECK(fmistatus);
-		jacobian[i] = new double[numOfContStates + inputLength];
+
 		for (int j=0; j<numOfContStates + inputLength; j++)
 			jacobian[i][j] = output[j];
 	}
+	delete[] derList;
+	delete[] stateList;
 }
 
 
@@ -349,6 +349,11 @@ void fmu2::Terminate(void){
 	fmi2_import_free_instance(fmu);
         delete[] eventIndicators;
         delete[] eventIndicatorsPrev;
+	delete[] currStates;
+	delete[] currStatesDer;
+	
+	delete[] vrs;
+
 }
 
 void fmu2::InitializeAsSlave(const char* location, double tstart, double tend){
@@ -486,6 +491,8 @@ bool fmu1::CheckInput(const std::string s){
 	return ((fmi1_import_get_causality(v))==0);
 }
 
+
+
 void fmu1::SetValuesByVariable(const std::string s, double value){
 	fmi1_value_reference_t ref;
 	fmi1_variable_alias_kind_enu_t aliasKind;
@@ -592,6 +599,12 @@ void fmu1::Terminate(void){
         fmi1_import_free_model_instance(fmu);
         delete[] eventIndicators;
         delete[] eventIndicatorsPrev;
+	delete[] currStates;
+	delete[] currStatesDer;
+	delete[] deriv;
+	delete[] vrs;
+
+
 
 }
 
diff --git a/mbdynFMI.h b/mbdynFMI.h
index c099436..7028be3 100644
--- a/mbdynFMI.h
+++ b/mbdynFMI.h
@@ -51,6 +51,7 @@ class fmu {
 	virtual void CSPropogate(double tcur, double dt) = 0;
 	virtual void TerminateSlave(void) = 0;
 
+
 };
 
 class fmu1 :public fmu{
@@ -117,6 +118,8 @@ class fmu1 :public fmu{
 	void InitializeAsSlave(const char* location, double tstart, double tend);
 	void CSPropogate(double tcur, double dt);
 	void TerminateSlave(void);
+
+
 };
 
 class fmu2 : public fmu{
diff --git a/mbdynFMI.o b/mbdynFMI.o
index 6c03751..ba18844 100644
Binary files a/mbdynFMI.o and b/mbdynFMI.o differ
diff --git a/module-FMU.cc b/module-FMU.cc
index e22e929..8f753de 100644
--- a/module-FMU.cc
+++ b/module-FMU.cc
@@ -163,9 +163,10 @@ ModuleFMU::~ModuleFMU(void)
 		delete[] seedVector;
 	}
 
-	delete[] currState;
-	delete[] jacobianInputVector;
 
+	delete[] jacobianInputVector;
+	delete model;	
+	delete[] currState;
 	drivesContainer.clear();
 }
 
@@ -252,8 +253,6 @@ ModuleFMU::AssJac(VariableSubMatrixHandler& WorkMat,
 				}
 			}
 
-			delete[] seedVector;
-
 		} else {
 			for(int i=1; i<=numOfContinousStates; i++)
 				WM.IncCoef(i , i, 1.);
diff --git a/module-FMU.o b/module-FMU.o
index 1e87c9e..1e1d784 100644
Binary files a/module-FMU.o and b/module-FMU.o differ