diff --git a/src/maths/sparse/spbuild.c b/src/maths/sparse/spbuild.c
index 306ad6d0b..0536bf624 100644
--- a/src/maths/sparse/spbuild.c
+++ b/src/maths/sparse/spbuild.c
@@ -105,9 +105,6 @@ spClear(MatrixPtr Matrix)
     /* Clear matrix. */
     if (Matrix->PreviousMatrixWasComplex || Matrix->Complex)
     {
-#ifdef USE_OMP
-#pragma omp parallel for
-#endif
 	for (I = Matrix->Size; I > 0; I--)
 	{
 	    pElement = Matrix->FirstInCol[I];
@@ -121,9 +118,6 @@ spClear(MatrixPtr Matrix)
     }
     else
     {
-#ifdef USE_OMP
-#pragma omp parallel for
-#endif
 	for (I = Matrix->Size; I > 0; I--)
 	{
 	    pElement = Matrix->FirstInCol[I];