diff --git a/dune/matrix-vector/transformmatrix.hh b/dune/matrix-vector/transformmatrix.hh
index ee851397d334ef3cf692e3f21a31175b85490320..eb74e8b064e06ee00c6a8537d716d77fae9d6a11 100644
--- a/dune/matrix-vector/transformmatrix.hh
+++ b/dune/matrix-vector/transformmatrix.hh
@@ -22,17 +22,13 @@ namespace MatrixVector {
                                      const TransformationMatrix1& T1,
                                      const MatrixB& B,
                                      const TransformationMatrix2& T2) {
-      for (size_t i = 0; i < A.N(); ++i) {
-        for (auto jIt = A[i].begin(); jIt != A[i].end(); ++jIt) {
-          for (size_t k = 0; k < B.N(); ++k) {
-            if (T1.exists(k, i)) {
+      for (size_t i = 0; i < A.N(); ++i)
+        for (auto jIt = A[i].begin(); jIt != A[i].end(); ++jIt)
+          for (size_t k = 0; k < B.N(); ++k)
+            if (T1.exists(k, i))
               for (auto lIt = B[k].begin(); lIt != B[k].end(); ++lIt)
                 if (T2.exists(lIt.index(), jIt.index()))
                   *jIt += T1[k][i] * (*lIt) * T2[lIt.index()][jIt.index()];
-            }
-          }
-        }
-      }
     }
 
     // static void transformMatrix(MatrixA& A, const
@@ -85,20 +81,16 @@ namespace MatrixVector {
                                      const TransformationMatrix& T2) {
       Dune::FieldMatrix<K1, m, n> T1transposedB;
       T1transposedB = 0;
-      for (size_t i = 0; i < MatrixA::rows; ++i) {
-        for (size_t k = 0; k < MatrixB::rows; ++k) {
+      for (size_t i = 0; i < MatrixA::rows; ++i)
+        for (size_t k = 0; k < MatrixB::rows; ++k)
           if (T1[k][i] != 0)
             for (size_t l = 0; l < MatrixB::cols; ++l)
               T1transposedB[i][l] += T1[k][i] * B[k][l];
-        }
-      }
-      for (size_t k = 0; k < TransformationMatrix::rows; ++k) {
-        for (size_t l = 0; l < TransformationMatrix::cols; ++l) {
+      for (size_t k = 0; k < TransformationMatrix::rows; ++k)
+        for (size_t l = 0; l < TransformationMatrix::cols; ++l)
           if (T2[k][l] != 0)
             for (size_t i = 0; i < MatrixA::rows; ++i)
               A[i][l] += T1transposedB[i][k] * T2[k][l];
-        }
-      }
     }
 
     // static void transformMatrix(MatrixA& A, const
@@ -137,13 +129,11 @@ namespace MatrixVector {
                                      const ScalarB& B,
                                      const TransformationMatrix2& T2) {
       assert(TransformationMatrix1::rows == TransformationMatrix2::rows);
-      for (size_t k = 0; k < TransformationMatrix1::rows; ++k) {
-        for (auto Skj = T2[k].begin(); Skj != T2[k].end(); ++Skj) {
+      for (size_t k = 0; k < TransformationMatrix1::rows; ++k)
+        for (auto Skj = T2[k].begin(); Skj != T2[k].end(); ++Skj)
           for (auto Tki = T1[k].begin(); Tki != T1[k].end(); Tki++)
             if (A.exists(Tki.index(), Skj.index()))
               A[Tki.index()][Skj.index()] += (*Tki) * B * (*Skj);
-        }
-      }
     }
   };
 
@@ -185,14 +175,11 @@ namespace MatrixVector {
         MatrixA& A, const TransformationMatrix1& T1,
         const Dune::DiagonalMatrix<FieldType, n>& B,
         const TransformationMatrix2& T2) {
-      for (size_t k = 0; k < n; ++k) {
-        for (auto Skj = T2[k].begin(); Skj != T2[k].end(); ++Skj) {
+      for (size_t k = 0; k < n; ++k)
+        for (auto Skj = T2[k].begin(); Skj != T2[k].end(); ++Skj)
           for (auto Tki = T1[k].begin(); Tki != T1[k].end(); Tki++)
-            if (A.exists(Tki.index(), Skj.index())) {
+            if (A.exists(Tki.index(), Skj.index()))
               A[Tki.index()][Skj.index()] += (*Tki) * B.diagonal(k) * (*Skj);
-            }
-        }
-      }
     }
   };
 
@@ -221,11 +208,10 @@ namespace MatrixVector {
         Dune::DiagonalMatrix<FieldType, n>& A, const TransformationMatrix1& T1,
         const Dune::DiagonalMatrix<FieldType, n>& B,
         const TransformationMatrix2& T2) {
-      for (size_t k = 0; k < n; k++) {
+      for (size_t k = 0; k < n; k++)
         for (auto Tki = T1[k].begin(); Tki != T1[k].end(); ++Tki)
           A.diagonal(Tki.index()) +=
               (*Tki) * B.diagonal(k) * T2[k][Tki.index()];
-      }
     }
   };