--- a/liboctave/dSparse.cc
+++ b/liboctave/dSparse.cc
@@ -7707,37 +7707,37 @@
 SparseMatrix
 operator * (const DiagMatrix& d, const SparseMatrix& a)
 {
-  return octave_impl::do_mul_dm_sm<SparseMatrix> (d, a);
+  return do_mul_dm_sm<SparseMatrix> (d, a);
 }
 
 SparseMatrix
 operator * (const SparseMatrix& a, const DiagMatrix& d)
 {
-  return octave_impl::do_mul_sm_dm<SparseMatrix> (a, d);
+  return do_mul_sm_dm<SparseMatrix> (a, d);
 }
 
 SparseMatrix
 operator + (const DiagMatrix& d, const SparseMatrix& a)
 {
-  return octave_impl::do_add_dm_sm<SparseMatrix> (d, a);
+  return do_add_dm_sm<SparseMatrix> (d, a);
 }
 
 SparseMatrix
 operator - (const DiagMatrix& d, const SparseMatrix& a)
 {
-  return octave_impl::do_sub_dm_sm<SparseMatrix> (d, a);
+  return do_sub_dm_sm<SparseMatrix> (d, a);
 }
 
 SparseMatrix
 operator + (const SparseMatrix& a, const DiagMatrix& d)
 {
-  return octave_impl::do_add_sm_dm<SparseMatrix> (a, d);
+  return do_add_sm_dm<SparseMatrix> (a, d);
 }
 
 SparseMatrix
 operator - (const SparseMatrix& a, const DiagMatrix& d)
 {
-  return octave_impl::do_sub_sm_dm<SparseMatrix> (a, d);
+  return do_sub_sm_dm<SparseMatrix> (a, d);
 }
 
 // FIXME -- it would be nice to share code among the min/max