diff --git a/intern/smoke/intern/WTURBULENCE.cpp b/intern/smoke/intern/WTURBULENCE.cpp
index 83bec466c9f..671198065e8 100644
--- a/intern/smoke/intern/WTURBULENCE.cpp
+++ b/intern/smoke/intern/WTURBULENCE.cpp
@@ -511,7 +511,7 @@ void WTURBULENCE::computeEnergy(float *_energy, float* xvel, float* yvel, float*
         if (obstacles[index])
           obstacles[index] = 1; // DG TODO ? animated obstacle flag?
 
-  free(obstacles);
+  delete [] obstacles;
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////
diff --git a/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp b/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp
index 9fec75abafe..2720a0a4146 100644
--- a/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp
+++ b/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp
@@ -61,7 +61,7 @@ void ConvolutionFilterOperation::deinitExecution()
 	this->inputOperation = NULL;
 	this->inputValueOperation = NULL;
 	if (this->filter) {
-		delete this->filter;
+		delete [] this->filter;
 		this->filter = NULL;
 	}
 }
diff --git a/source/blender/compositor/operations/COM_DoubleEdgeMaskOperation.cpp b/source/blender/compositor/operations/COM_DoubleEdgeMaskOperation.cpp
index 9e911e7ba40..40f492b0f10 100644
--- a/source/blender/compositor/operations/COM_DoubleEdgeMaskOperation.cpp
+++ b/source/blender/compositor/operations/COM_DoubleEdgeMaskOperation.cpp
@@ -1220,7 +1220,7 @@ void DoubleEdgeMaskOperation::doDoubleEdgeMask(float *imask, float *omask, float
 		do_createEdgeLocationBuffer(t,rw,lres,res,gbuf,&innerEdgeOffset,&outerEdgeOffset,isz,gsz);
 		do_fillGradientBuffer(rw,res,gbuf,isz,osz,gsz,innerEdgeOffset,outerEdgeOffset);
 		
-		delete gbuf;          // free the gradient index buffer
+		delete [] gbuf;          // free the gradient index buffer
 	}
 }