diff --git a/src/libs/vlayout/vtextmanager.cpp b/src/libs/vlayout/vtextmanager.cpp
index 78e69c912..f14d05114 100644
--- a/src/libs/vlayout/vtextmanager.cpp
+++ b/src/libs/vlayout/vtextmanager.cpp
@@ -83,7 +83,7 @@ VTextManager &VTextManager::operator=(const VTextManager &text)
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief GetSpacing returns the vertical spacing between the lines
- * @return
+ * @return spacing
  */
 int VTextManager::GetSpacing() const
 {
diff --git a/src/libs/vmisc/warnings.pri b/src/libs/vmisc/warnings.pri
index f051b7d6c..c0fc4e5ea 100644
--- a/src/libs/vmisc/warnings.pri
+++ b/src/libs/vmisc/warnings.pri
@@ -37,7 +37,8 @@ unix {
         # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
         # want them in global list. Compromise decision delete them from local list.
         QMAKE_CXXFLAGS -= \
-            -Wmissing-prototypes
+            -Wmissing-prototypes \
+            -Wundefined-reinterpret-cast
     }
 
     *-icc-*{
diff --git a/src/libs/vobj/delaunay.cpp b/src/libs/vobj/delaunay.cpp
index 15062a097..029b208d9 100644
--- a/src/libs/vobj/delaunay.cpp
+++ b/src/libs/vobj/delaunay.cpp
@@ -175,6 +175,7 @@ static void halfedge_free( halfedge_t* d )
 /*
 * free all delaunay halfedges
 */
+void del_free_halfedges( delaunay_t *del );
 void del_free_halfedges( delaunay_t *del )
 {
     quint32		i;
@@ -979,6 +980,7 @@ static void build_halfedge_face( delaunay_t *del, halfedge_t *d )
 /*
 * build the faces for all the halfedge
 */
+void del_build_faces( delaunay_t *del );
 void del_build_faces( delaunay_t *del )
 {
     quint32	i;
@@ -1035,7 +1037,7 @@ delaunay2d_t* delaunay2d_from(del_point2d_t *points, quint32 num_points) {
         quint32 fbuff_size = 0;
         quint32 j = 0;
 
-        del_divide_and_conquer( &del, 0, num_points - 1 );
+        del_divide_and_conquer( &del, 0, static_cast<int>(num_points - 1) );
         del_build_faces( &del );
 
         for( i = 0; i < del.num_faces; i++ )