diff --git a/include/boost/polygon/detail/voronoi_structures.hpp b/include/boost/polygon/detail/voronoi_structures.hpp
index 5e8140d..4255421 100644
--- a/include/boost/polygon/detail/voronoi_structures.hpp
+++ b/include/boost/polygon/detail/voronoi_structures.hpp
@@ -64,7 +64,7 @@ private:
 // Represents topology type of the voronoi site.
 enum GeometryCategory {
   GEOMETRY_CATEGORY_POINT = 0x0,
-  GEOMETRY_CATEGORY_SEGMENT = 0x1,
+  GEOMETRY_CATEGORY_SEGMENT = 0x1
 };
 
 // Represents category of the input source that forms Voronoi cell.
@@ -79,7 +79,7 @@ enum SourceCategory {
   SOURCE_CATEGORY_REVERSE_SEGMENT = 0x9,
 
   SOURCE_CATEGORY_GEOMETRY_SHIFT = 0x3,
-  SOURCE_CATEGORY_BITMASK = 0x1F,
+  SOURCE_CATEGORY_BITMASK = 0x1F
 };
 
 bool belongs(
@@ -247,8 +247,7 @@ public:
 
 private:
   enum Bits {
-    SOURCE_CATEGORY_BITMASK = SOURCE_CATEGORY_BITMASK,
-    IS_INVERSE = 0x20,  // 32
+    IS_INVERSE = 0x20  // 32
   };
 
   point_type point0_;
diff --git a/include/boost/polygon/voronoi_diagram.hpp b/include/boost/polygon/voronoi_diagram.hpp
index 3fc4dd7..45d75a0 100644
--- a/include/boost/polygon/voronoi_diagram.hpp
+++ b/include/boost/polygon/voronoi_diagram.hpp
@@ -82,7 +82,7 @@ private:
   // 5 color bits are reserved.
   enum Bits {
     BITS_SHIFT = 0x5,
-    BITS_MASK = 0x1F,
+    BITS_MASK = 0x1F
   };
 
   source_index_type source_index_;
@@ -129,7 +129,7 @@ private:
   // 5 color bits are reserved.
   enum Bits {
     BITS_SHIFT = 0x5,
-    BITS_MASK = 0x1F,
+    BITS_MASK = 0x1F
   };
 
   coordinate_type x_;
@@ -256,7 +256,7 @@ private:
     BIT_IS_PRIMARY = 0x2,  // primary is opposite to secondary
 
     BITS_SHIFT = 0x5,
-    BITS_MASK = 0x1F,
+    BITS_MASK = 0x1F
   };
 
   voronoi_cell_type* cell_;