diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index d90e964..49aadd3 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -9702,14 +9702,7 @@
 		    valid = 0;	    /* Must have ":p:h" to be valid */
 		}
 		else
-#ifdef RISCOS
-		    /* Always use the full path for RISC OS if possible. */
-		    result = curbuf->b_ffname;
-		    if (result == NULL)
-			result = curbuf->b_fname;
-#else
 		    result = curbuf->b_fname;
-#endif
 		break;
 
 	case SPEC_HASH:		/* '#' or "#99": alternate file */
@@ -9854,11 +9847,7 @@
 	if (src[*usedlen] == '<')	/* remove the file name extension */
 	{
 	    ++*usedlen;
-#ifdef RISCOS
-	    if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
-#else
 	    if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
-#endif
 		resultlen = (int)(s - result);
 	}
 #ifdef FEAT_MODIFY_FNAME
@@ -10875,8 +10864,7 @@
 	    else if (vim_ispathsep(*p))
 	    {
 		*s++ = '=';
-#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
-	|| defined(VMS)
+#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(VMS)
 		if (*p == ':')
 		    *s++ = '-';
 		else