diff --git a/src/misc2.c b/src/misc2.c
index 52ce097..4d4d947 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -2202,7 +2202,7 @@
     {MOD_MASK_MULTI_CLICK,	MOD_MASK_2CLICK,	(char_u)'2'},
     {MOD_MASK_MULTI_CLICK,	MOD_MASK_3CLICK,	(char_u)'3'},
     {MOD_MASK_MULTI_CLICK,	MOD_MASK_4CLICK,	(char_u)'4'},
-#ifdef MACOS
+#ifdef MACOS_X
     {MOD_MASK_CMD,		MOD_MASK_CMD,		(char_u)'D'},
 #endif
     /* 'A' must be the last one */
@@ -2927,7 +2927,7 @@
 {
     int	modifiers = *modp;
 
-#ifdef MACOS
+#ifdef MACOS_X
     /* Command-key really special, no fancynest */
     if (!(modifiers & MOD_MASK_CMD))
 #endif
@@ -2954,7 +2954,7 @@
 	if (key == 0)
 	    key = K_ZERO;
     }
-#ifdef MACOS
+#ifdef MACOS_X
     /* Command-key really special, no fancynest */
     if (!(modifiers & MOD_MASK_CMD))
 #endif
@@ -5933,10 +5933,7 @@
 #define EXTRASIZE 5		/* increment to add to env. size */
 
 static int  envsize = -1;	/* current size of environment */
-#ifndef MACOS_CLASSIC
-extern
-#endif
-       char **environ;		/* the global which is your env. */
+extern char **environ;		/* the global which is your env. */
 
 static int  findenv(char *name); /* look for a name in the env. */
 static int  newenv(void);	/* copy env. from stack to heap */
@@ -6008,19 +6005,14 @@
     char    **env, *elem;
     int	    i, esize;
 
-#ifdef MACOS
-    /* for Mac a new, empty environment is created */
-    i = 0;
-#else
     for (i = 0; environ[i]; i++)
 	;
-#endif
+
     esize = i + EXTRASIZE + 1;
     env = (char **)alloc((unsigned)(esize * sizeof (elem)));
     if (env == NULL)
 	return -1;
 
-#ifndef MACOS
     for (i = 0; environ[i]; i++)
     {
 	elem = (char *)alloc((unsigned)(strlen(environ[i]) + 1));
@@ -6029,7 +6021,6 @@
 	env[i] = elem;
 	strcpy(elem, environ[i]);
     }
-#endif
 
     env[i] = 0;
     environ = env;
@@ -6093,7 +6084,6 @@
 #if defined(UNIX) || defined(VMS)
     perm = mch_getperm(fname);
 #endif
-#ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */
     if (
 # ifdef WIN3264
 	    mch_writable(fname) &&
@@ -6104,7 +6094,6 @@
 # endif
 	    mch_access((char *)fname, W_OK) == 0
        )
-#endif
     {
 	++retval;
 	if (mch_isdir(fname))