diff --git a/src/Mod/Mesh/App/Core/Evaluation.cpp b/src/Mod/Mesh/App/Core/Evaluation.cpp
index d6184e5c3ad8..333e51025f5f 100644
--- a/src/Mod/Mesh/App/Core/Evaluation.cpp
+++ b/src/Mod/Mesh/App/Core/Evaluation.cpp
@@ -368,8 +368,7 @@ bool MeshEvalTopology::Evaluate ()
         else {
             if (count > 2) {
                 // Edge that is shared by more than 2 facets
-                nonManifoldList.push_back(std::make_pair
-                    <unsigned long, unsigned long>(p0, p1));
+                nonManifoldList.push_back(std::make_pair(p0, p1));
                 nonManifoldFacets.push_back(facets);
             }
 
@@ -395,7 +394,7 @@ void MeshEvalTopology::GetFacetManifolds (std::vector<unsigned long> &raclFacetI
         for (int i = 0; i < 3; i++) {
             unsigned long ulPt0 = std::min<unsigned long>(pI->_aulPoints[i],  pI->_aulPoints[(i+1)%3]);
             unsigned long ulPt1 = std::max<unsigned long>(pI->_aulPoints[i],  pI->_aulPoints[(i+1)%3]);
-            std::pair<unsigned long, unsigned long> edge = std::make_pair<unsigned long, unsigned long>(ulPt0, ulPt1);
+            std::pair<unsigned long,unsigned long> edge  = std::make_pair(ulPt0, ulPt1);
 
             if (std::find(nonManifoldList.begin(), nonManifoldList.end(), edge) != nonManifoldList.end())
                 raclFacetIndList.push_back(pI - rclFAry.begin());
@@ -745,8 +744,7 @@ void MeshEvalSelfIntersection::GetIntersections(std::vector<std::pair<unsigned l
                     facet2 = *cMFI;
                     int ret = facet1.IntersectWithFacet(facet2, pt1, pt2);
                     if (ret == 2) {
-                        intersection.push_back(std::make_pair
-                            <unsigned long, unsigned long>(*it,*jt));
+                        intersection.push_back(std::make_pair (*it,*jt));
                     }
                 }
             }
diff --git a/src/Mod/Mesh/App/Core/MeshKernel.cpp b/src/Mod/Mesh/App/Core/MeshKernel.cpp
index 524431938149..fb4ce96b38e6 100644
--- a/src/Mod/Mesh/App/Core/MeshKernel.cpp
+++ b/src/Mod/Mesh/App/Core/MeshKernel.cpp
@@ -193,7 +193,7 @@ unsigned long MeshKernel::AddFacets(const std::vector<MeshFacet> &rclFAry)
             unsigned long ulT1 = pF->_aulPoints[(i+1)%3];
             unsigned long ulP0 = std::min<unsigned long>(ulT0, ulT1);
             unsigned long ulP1 = std::max<unsigned long>(ulT0, ulT1);
-            edgeMap[std::make_pair<unsigned long, unsigned long>(ulP0, ulP1)].push_front(k);
+            edgeMap[std::make_pair(ulP0, ulP1)].push_front(k);
         }
     }
 
@@ -210,7 +210,7 @@ unsigned long MeshKernel::AddFacets(const std::vector<MeshFacet> &rclFAry)
             unsigned long ulT1 = pF->_aulPoints[(i+1)%3];
             unsigned long ulP0 = std::min<unsigned long>(ulT0, ulT1);
             unsigned long ulP1 = std::max<unsigned long>(ulT0, ulT1);
-            std::pair<unsigned long, unsigned long> edge = std::make_pair<unsigned long, unsigned long>(ulP0, ulP1);
+            std::pair<unsigned long, unsigned long> edge = std::make_pair(ulP0, ulP1);
             std::map<std::pair<unsigned long, unsigned long>, std::list<unsigned long> >::iterator pI = edgeMap.find(edge);
             // Does the current facet share the same edge?
             if (pI != edgeMap.end()) {
diff --git a/src/Mod/Mesh/App/Core/TopoAlgorithm.cpp b/src/Mod/Mesh/App/Core/TopoAlgorithm.cpp
index c0aa18656b21..bc44c0c5bbd6 100644
--- a/src/Mod/Mesh/App/Core/TopoAlgorithm.cpp
+++ b/src/Mod/Mesh/App/Core/TopoAlgorithm.cpp
@@ -444,7 +444,7 @@ void MeshTopoAlgorithm::AdjustEdgesToCurvatureDirection()
       unsigned long ulT1 = jt->_aulPoints[(i+1)%3];
       unsigned long ulP0 = std::min<unsigned long>(ulT0, ulT1);
       unsigned long ulP1 = std::max<unsigned long>(ulT0, ulT1);
-      aclEdgeMap[std::make_pair<unsigned long, unsigned long>(ulP0, ulP1)].push_front(k);
+      aclEdgeMap[std::make_pair(ulP0, ulP1)].push_front(k);
       aIdx.push_back( (int)jt->_aulPoints[i] );
     }
   }
diff --git a/src/Mod/Mesh/App/Mesh.cpp b/src/Mod/Mesh/App/Mesh.cpp
index 4add7a0b13db..5181c77edd08 100644
--- a/src/Mod/Mesh/App/Mesh.cpp
+++ b/src/Mod/Mesh/App/Mesh.cpp
@@ -1147,8 +1147,7 @@ void MeshObject::removeSelfIntersections(const std::vector<unsigned long>& indic
     for (it = indices.begin(); it != indices.end(); ) {
         unsigned long id1 = *it; ++it;
         unsigned long id2 = *it; ++it;
-        selfIntersections.push_back(std::make_pair
-            <unsigned long, unsigned long>(id1,id2));
+        selfIntersections.push_back(std::make_pair(id1,id2));
     }
 
     if (!selfIntersections.empty()) {
diff --git a/src/Mod/Mesh/Gui/ViewProviderDefects.cpp b/src/Mod/Mesh/Gui/ViewProviderDefects.cpp
index 7931f1b5f3fa..af9e036717ff 100644
--- a/src/Mod/Mesh/Gui/ViewProviderDefects.cpp
+++ b/src/Mod/Mesh/Gui/ViewProviderDefects.cpp
@@ -646,8 +646,7 @@ void ViewProviderMeshSelfIntersections::showDefects(const std::vector<unsigned l
     for (it = indices.begin(); it != indices.end(); ) {
         unsigned long id1 = *it; ++it;
         unsigned long id2 = *it; ++it;
-        intersection.push_back(std::make_pair
-            <unsigned long, unsigned long>(id1,id2));
+        intersection.push_back(std::make_pair(id1,id2));
     }
 
     std::vector<std::pair<Base::Vector3f, Base::Vector3f> > lines;