diff --git a/ChangeLog b/ChangeLog
index a9e3255..f2c7fe9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -55,6 +55,11 @@
 	  #ifdef instead of two.
 	- Convert memmove() function calls to charmove() macro calls, as
 	  the former all work on char*'s. (DLR)
+	- Miscellaneous #define cleanups: only include the prototype for
+	  and definition of wrap_at if wrapping and/or justification are
+	  enabled, remove duplicate wrap_at prototype, and define
+	  DISABLE_MOUSE if NCURSES_MOUSE_VERSION isn't defined in nano.h
+	  instead of all over the code. (DLR)
 - files.c:
   read_file()
 	- After we've read in a file and possibly converted it from
diff --git a/src/files.c b/src/files.c
index b3ce36a..af19dc5 100644
--- a/src/files.c
+++ b/src/files.c
@@ -441,7 +441,7 @@
   start_again:	/* Goto here when the user cancels the file browser. */
 #endif
 
-#if !defined(DISABLE_BROWSER) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_MOUSE)
     currshortcut = insertfile_list;
 #endif
 
@@ -1710,7 +1710,7 @@
     static int did_cred = 0;
 #endif
 
-#if !defined(DISABLE_BROWSER) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_MOUSE)
     currshortcut = writefile_list;
 #endif
 
@@ -2488,7 +2488,7 @@
     int abort = 0, col = 0, selected = 0, editline = 0, width = 0;
     int filecols = 0, lineno = 0;
     char **filelist = (char **)NULL;
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     MEVENT mevent;
 #endif
 
@@ -2527,7 +2527,7 @@
 
 	blank_statusbar_refresh();
 
-#if !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
 	currshortcut = browser_list;
 #endif
 
@@ -2541,7 +2541,7 @@
 
 	switch (kbinput) {
 
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	case KEY_MOUSE:
 	    if (getmouse(&mevent) == ERR)
 		return retval;
diff --git a/src/global.c b/src/global.c
index 6389239..452a7b1 100644
--- a/src/global.c
+++ b/src/global.c
@@ -29,8 +29,11 @@
 
 /* Global variables */
 
+#ifndef DISABLE_WRAPJUSTIFY
 /* wrap_at might be set in rcfile.c or nano.c */
 int wrap_at = -CHARS_FROM_EOL;/* Right justified fill value, allows resize */
+#endif
+
 char *last_search = NULL;	/* Last string we searched for */
 char *last_replace = NULL;	/* Last replacement string */
 int search_last_line;		/* Is this the last search line? */
@@ -129,7 +132,7 @@
 char *syntaxstr = NULL;
 #endif
 
-#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
 const shortcut *currshortcut;	/* Current shortcut list we're using */
 #endif
 
@@ -225,7 +228,7 @@
 	*toggle_nohelp_msg, *toggle_cuttoend_msg,
 	*toggle_noconvert_msg, *toggle_dos_msg, *toggle_mac_msg,
 	*toggle_backup_msg, *toggle_smooth_msg;
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     char *toggle_mouse_msg;
 #endif
 #ifndef DISABLE_WRAPPING
@@ -247,7 +250,7 @@
     toggle_autoindent_msg = _("Auto indent");
     toggle_suspend_msg = _("Suspend");
     toggle_nohelp_msg = _("Help mode");
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     toggle_mouse_msg = _("Mouse support");
 #endif
     toggle_cuttoend_msg = _("Cut to end");
@@ -273,7 +276,7 @@
 #ifndef DISABLE_WRAPPING
     toggle_init_one(TOGGLE_WRAP_KEY, toggle_wrap_msg, NO_WRAP);
 #endif
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     toggle_init_one(TOGGLE_MOUSE_KEY, toggle_mouse_msg, USE_MOUSE);
 #endif
     toggle_init_one(TOGGLE_CUTTOEND_KEY, toggle_cuttoend_msg, CUT_TO_END);
@@ -840,7 +843,7 @@
 		IFHELP(nano_cancel_msg, 0), 0, 0, VIEW, 0);
 #endif
 
-#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
     currshortcut = main_list;
 #endif
 #ifndef NANO_SMALL
diff --git a/src/nano.c b/src/nano.c
index e3b8cbd..74949f8 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -245,7 +245,7 @@
     keypad(bottomwin, TRUE);
 }
 
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 void mouse_init(void)
 {
     if (ISSET(USE_MOUSE)) {
@@ -664,7 +664,7 @@
     print1opt("-k", "--cut", _("Let ^K cut from cursor to end of line"));
 #endif
     print1opt("-l", "--nofollow", _("Don't follow symbolic links, overwrite"));
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     print1opt("-m", "--mouse", _("Enable mouse"));
 #endif
 #ifndef DISABLE_OPERATINGDIR
@@ -720,7 +720,7 @@
 #ifdef DISABLE_JUSTIFY
     printf(" --disable-justify");
 #endif
-#if defined(DISABLE_MOUSE) || !defined(NCURSES_MOUSE_VERSION)
+#ifdef DISABLE_MOUSE
     printf(" --disable-mouse");
 #endif
 #ifdef DISABLE_OPERATINGDIR
@@ -887,7 +887,7 @@
 }
 #endif /* NANO_SMALL */
 
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 void do_mouse(void)
 {
     MEVENT mevent;
@@ -2630,7 +2630,7 @@
     /* Now get a keystroke and see if it's unjustify; if not, unget the
      * keystroke and return. */
 
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     /* If it was a mouse click, parse it with do_mouse() and it might
      * become the unjustify key.  Else give it back to the input stream. */
     if ((i = wgetch(edit)) == KEY_MOUSE)
@@ -2985,7 +2985,7 @@
     case TOGGLE_SUSPEND_KEY:
 	signal_init();
 	break;
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     case TOGGLE_MOUSE_KEY:
 	mouse_init();
 	break;
@@ -3065,7 +3065,7 @@
 	{"const", 0, 0, 'c'},
 	{"rebinddelete", 0, 0, 'd'},
 	{"nofollow", 0, 0, 'l'},
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	{"mouse", 0, 0, 'm'},
 #endif
 #ifndef DISABLE_OPERATINGDIR
@@ -3218,7 +3218,7 @@
 	case 'l':
 	    SET(NOFOLLOW_SYMLINKS);
 	    break;
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	case 'm':
 	    SET(USE_MOUSE);
 	    break;
@@ -3419,7 +3419,7 @@
 #endif
 
     window_init();
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     mouse_init();
 #endif
 
@@ -3479,7 +3479,7 @@
 	if (ISSET(CONSTUPDATE))
 	    do_cursorpos(1);
 
-#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
 	currshortcut = main_list;
 #endif
 
@@ -3544,7 +3544,7 @@
 	   shortcut key */
 
 	if (!keyhandled)
-#if !defined(DISABLE_BROWSER) || !defined (DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined (DISABLE_HELP) || !defined(DISABLE_MOUSE)
 	    for (s = currshortcut; s != NULL && !keyhandled; s = s->next) {
 #else
 	    for (s = main_list; s != NULL && !keyhandled; s = s->next) {
@@ -3593,7 +3593,7 @@
 	/* Last gasp, stuff that's not in the main lists */
 	if (!keyhandled)
 	    switch (kbinput) {
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	    case KEY_MOUSE:
 		do_mouse();
 		break;
diff --git a/src/nano.h b/src/nano.h
index 03203c1..d97794f 100644
--- a/src/nano.h
+++ b/src/nano.h
@@ -109,6 +109,10 @@
 
 #define VERMSG "GNU nano " VERSION
 
+#ifndef NCURSES_MOUSE_VERSION
+#define DISABLE_MOUSE 1
+#endif
+
 #if defined(DISABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
 #define DISABLE_WRAPJUSTIFY 1
 #endif
diff --git a/src/proto.h b/src/proto.h
index 649bd7d..43556c4 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -29,7 +29,9 @@
 
 #include "nano.h"
 
+#ifndef DISABLE_WRAPJUSTIFY
 extern int wrap_at;
+#endif
 extern int editwinrows;
 extern int current_x, current_y, totlines;
 extern int placewewant;
@@ -38,7 +40,8 @@
 #endif
 extern long totsize;
 extern int temp_opt;
-extern int wrap_at, flags, tabsize;
+extern int flags;
+extern int tabsize;
 extern int search_last_line;
 extern int search_offscreen;
 extern int currslen;
@@ -101,7 +104,7 @@
 extern shortcut *browser_list, *gotodir_list;
 #endif
 
-#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_BROWSER) || !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
 extern const shortcut *currshortcut;
 #endif
 
@@ -236,7 +239,7 @@
 void print_view_warning(void);
 void global_init(int save_cutbuffer);
 void window_init(void);
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 void mouse_init(void);
 #endif
 #ifndef DISABLE_HELP
@@ -265,10 +268,8 @@
 int open_pipe(const char *command);
 #endif
 #ifndef DISABLE_MOUSE
-#ifdef NCURSES_MOUSE_VERSION
 void do_mouse(void);
 #endif
-#endif
 void do_char(char ch);
 int do_backspace(void);
 int do_delete(void);
diff --git a/src/rcfile.c b/src/rcfile.c
index ab96f9d..73bfc3e 100644
--- a/src/rcfile.c
+++ b/src/rcfile.c
@@ -52,7 +52,7 @@
 #ifndef NANO_SMALL
     {"historylog", HISTORYLOG},
 #endif
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
     {"mouse", USE_MOUSE},
 #endif
 #ifdef ENABLE_MULTIBUFFER
diff --git a/src/winio.c b/src/winio.c
index 7f53556..b221a7e 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -582,7 +582,7 @@
     else
 	answer[0] = '\0';
 
-#if !defined(DISABLE_HELP) || (!defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION))
+#if !defined(DISABLE_HELP) || !defined(DISABLE_MOUSE)
     currshortcut = s;
 #endif
 
@@ -620,7 +620,7 @@
 	    tabbed = 0;
 
 	switch (kbinput) {
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	case KEY_MOUSE:
 	    do_mouse();
 	    break;
@@ -1602,13 +1602,13 @@
 
     do {
 	int kbinput = wgetch(edit);
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	MEVENT mevent;
 #endif
 
 	if (kbinput == NANO_CONTROL_C)
 	    ok = -1;
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	/* Look ma!  We get to duplicate lots of code from do_mouse!! */
 	else if (kbinput == KEY_MOUSE && getmouse(&mevent) != ERR &&
 		wenclose(bottomwin, mevent.y, mevent.x) &&
@@ -1841,7 +1841,7 @@
 	const char *ptr = help_text;
 
 	switch (kbinput) {
-#if !defined(DISABLE_MOUSE) && defined(NCURSES_MOUSE_VERSION)
+#ifndef DISABLE_MOUSE
 	case KEY_MOUSE:
 	    do_mouse();
 	    break;