diff --git a/pcbnew/class_board.cpp b/pcbnew/class_board.cpp
index 074d78dfdb..4cd7f58450 100644
--- a/pcbnew/class_board.cpp
+++ b/pcbnew/class_board.cpp
@@ -120,11 +120,14 @@ BOARD::~BOARD()
 
     m_tracks.clear();
 
-    for ( BOARD_ITEM* d : m_drawings )
+    for( BOARD_ITEM* d : m_drawings )
         delete d;
 
     m_drawings.clear();
 
+    for( PCB_GROUP* g : m_groups )
+        delete g;
+
     m_groups.clear();
 }