1 files changed, 0 insertions, 1 deletions
diff --git a/FL/mac.H b/FL/mac.H
index 0128d1157..da8cf24de 100644
--- a/FL/mac.H
+++ b/FL/mac.H
@@ -177,7 +177,6 @@ public:
   static void GLcontext_makecurrent(NSOpenGLContext*);
   static void GL_cleardrawable(void);
   void destroy(void);
-  void collapse(void);
   WindowRef window_ref(void); // useless with cocoa GL windows
   void set_key_window(void);
   // OS X doesn't have per window icons