diff --git a/include/base_struct.h b/include/base_struct.h
index 18283dbac4..84500d2cca 100644
--- a/include/base_struct.h
+++ b/include/base_struct.h
@@ -146,6 +146,9 @@ public:
 #define HIGHLIGHTED    (1 << 25)   ///< item is drawn in normal colors, when the rest is darkened
 #define BRIGHTENED     (1 << 26)   ///< item is drawn with a bright contour
 
+#define DP_COUPLED     (1 << 27)   ///< item is coupled with another item making a differential pair
+                                   ///< (applies to segments only)
+
 #define EDA_ITEM_ALL_FLAGS -1
 
 typedef unsigned STATUS_FLAGS;
diff --git a/include/wxBasePcbFrame.h b/include/wxBasePcbFrame.h
index 5f0bf6e7a0..5f07ca30ce 100644
--- a/include/wxBasePcbFrame.h
+++ b/include/wxBasePcbFrame.h
@@ -657,6 +657,8 @@ public:
      */
     void SetFastGrid2();
 
+    void ClearSelection();
+
     DECLARE_EVENT_TABLE()
 };