diff --git a/gui.h b/gui.h
index 2fa13ef..83658ff 100644
--- a/gui.h
+++ b/gui.h
@@ -1107,25 +1107,6 @@ gui_float gui_slider(struct gui_command_buffer*, gui_float x, gui_float y, gui_f
     Output:
     - returns the from the user input updated value
 */
-gui_float gui_range(struct gui_command_buffer*, gui_float x, gui_float y, gui_float,
-                    gui_float h, gui_float min, gui_float val_min,
-                    gui_float val_max, gui_float max, gui_float step,
-                    const struct gui_slider*, const struct gui_input*);
-/*  this function executes a range slider widget
-    Input:
-    - output command buffer for drawing
-    - (x,y) position
-    - (width, height) size
-    - minimal slider value that will not be underflown
-    - slider min value to be updated by the user
-    - slider max value to be updated by the user
-    - maximal slider value that will not be overflown
-    - step interval the value will be updated with
-    - visual widget style structure describing the slider
-    - input structure to update the slider with
-    Output:
-    - returns the from the user input updated value
-*/
 gui_size gui_progress(struct gui_command_buffer*, gui_float x, gui_float y,
                         gui_float w, gui_float h, gui_size value, gui_size max,
                         gui_bool modifyable, const struct gui_progress*,