--- a/src/edit.c
+++ b/src/edit.c
@@ -27,7 +27,6 @@ static void ins_ctrl_v(void);
 #ifdef FEAT_JOB_CHANNEL
 static void init_prompt(int cmdchar_todo);
 #endif
-static void undisplay_dollar(void);
 static void insert_special(int, int, int);
 static void internal_format(int textwidth, int second_indent, int flags, int format_only, int c);
 static void check_auto_format(int);
@@ -56,10 +55,6 @@ static void ins_ctrl_o(void);
 static void ins_shift(int c, int lastc);
 static void ins_del(void);
 static int  ins_bs(int c, int mode, int *inserted_space_p);
-#ifdef FEAT_MOUSE
-static void ins_mouse(int c);
-static void ins_mousescroll(int dir);
-#endif
 #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
 static void ins_tabline(int c);
 #endif
@@ -322,9 +317,7 @@ edit(
     im_set_active(curbuf->b_p_iminsert == B_IMODE_IM);
 #endif
 
-#ifdef FEAT_MOUSE
     setmouse();
-#endif
 #ifdef FEAT_CMDL_INFO
     clear_showcmd();
 #endif
@@ -1759,7 +1752,7 @@ display_dollar(colnr_T col)
  * Call this function before moving the cursor from the normal insert position
  * in insert mode.
  */
-    static void
+    void
 undisplay_dollar(void)
 {
     if (dollar_vcol >= 0)
@@ -4508,9 +4501,7 @@ ins_esc(
     /* need to position cursor again (e.g. when on a TAB ) */
     changed_cline_bef_curs();
 
-#ifdef FEAT_MOUSE
     setmouse();
-#endif
 #ifdef CURSOR_SHAPE
     ui_cursor_shape();		/* may show different cursor shape */
 #endif
@@ -5157,134 +5148,6 @@ ins_bs(
     return did_backspace;
 }
 
-#ifdef FEAT_MOUSE
-    static void
-ins_mouse(int c)
-{
-    pos_T	tpos;
-    win_T	*old_curwin = curwin;
-
-# ifdef FEAT_GUI
-    /* When GUI is active, also move/paste when 'mouse' is empty */
-    if (!gui.in_use)
-# endif
-	if (!mouse_has(MOUSE_INSERT))
-	    return;
-
-    undisplay_dollar();
-    tpos = curwin->w_cursor;
-    if (do_mouse(NULL, c, BACKWARD, 1L, 0))
-    {
-	win_T	*new_curwin = curwin;
-
-	if (curwin != old_curwin && win_valid(old_curwin))
-	{
-	    /* Mouse took us to another window.  We need to go back to the
-	     * previous one to stop insert there properly. */
-	    curwin = old_curwin;
-	    curbuf = curwin->w_buffer;
-#ifdef FEAT_JOB_CHANNEL
-	    if (bt_prompt(curbuf))
-		// Restart Insert mode when re-entering the prompt buffer.
-		curbuf->b_prompt_insert = 'A';
-#endif
-	}
-	start_arrow(curwin == old_curwin ? &tpos : NULL);
-	if (curwin != new_curwin && win_valid(new_curwin))
-	{
-	    curwin = new_curwin;
-	    curbuf = curwin->w_buffer;
-	}
-# ifdef FEAT_CINDENT
-	can_cindent = TRUE;
-# endif
-    }
-
-    /* redraw status lines (in case another window became active) */
-    redraw_statuslines();
-}
-
-    static void
-ins_mousescroll(int dir)
-{
-    pos_T	tpos;
-    win_T	*old_curwin = curwin, *wp;
-    int		did_scroll = FALSE;
-
-    tpos = curwin->w_cursor;
-
-    if (mouse_row >= 0 && mouse_col >= 0)
-    {
-	int row, col;
-
-	row = mouse_row;
-	col = mouse_col;
-
-	/* find the window at the pointer coordinates */
-	wp = mouse_find_win(&row, &col, FIND_POPUP);
-	if (wp == NULL)
-	    return;
-	curwin = wp;
-	curbuf = curwin->w_buffer;
-    }
-    if (curwin == old_curwin)
-	undisplay_dollar();
-
-    /* Don't scroll the window in which completion is being done. */
-    if (!pum_visible() || curwin != old_curwin)
-    {
-	if (dir == MSCR_DOWN || dir == MSCR_UP)
-	{
-	    if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
-		scroll_redraw(dir,
-			(long)(curwin->w_botline - curwin->w_topline));
-	    else
-		scroll_redraw(dir, 3L);
-# ifdef FEAT_TEXT_PROP
-	if (WIN_IS_POPUP(curwin))
-	    popup_set_firstline(curwin);
-# endif
-	}
-#ifdef FEAT_GUI
-	else
-	{
-	    int val, step = 6;
-
-	    if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
-		step = curwin->w_width;
-	    val = curwin->w_leftcol + (dir == MSCR_RIGHT ? -step : step);
-	    if (val < 0)
-		val = 0;
-	    gui_do_horiz_scroll(val, TRUE);
-	}
-#endif
-	did_scroll = TRUE;
-    }
-
-    curwin->w_redr_status = TRUE;
-
-    curwin = old_curwin;
-    curbuf = curwin->w_buffer;
-
-    /* The popup menu may overlay the window, need to redraw it.
-     * TODO: Would be more efficient to only redraw the windows that are
-     * overlapped by the popup menu. */
-    if (pum_visible() && did_scroll)
-    {
-	redraw_all_later(NOT_VALID);
-	ins_compl_show_pum();
-    }
-
-    if (!EQUAL_POS(curwin->w_cursor, tpos))
-    {
-	start_arrow(&tpos);
-# ifdef FEAT_CINDENT
-	can_cindent = TRUE;
-# endif
-    }
-}
-#endif
-
 /*
  * Handle receiving P_PS: start paste mode.  Inserts the following text up to
  * P_PE literally.
@@ -6401,10 +6264,16 @@ do_insert_char_pre(int c)
 
 #if defined(FEAT_CINDENT) || defined(PROTO)
     int
-can_cindent_get(void)
+get_can_cindent(void)
 {
     return can_cindent;
 }
+
+    void
+set_can_cindent(int val)
+{
+    can_cindent = val;
+}
 #endif
 
 /*