diff --git a/remove.c b/remove.c
index 658ced5..2d6d22f 100644
--- a/remove.c
+++ b/remove.c
@@ -260,13 +260,13 @@ int func_remove(int argc, char *argv[], int mode)
       return(1);
     }
 
-    if (trustee_is_files_option(argv[i])) {
+    if (tool_is_files_option(argv[i])) {
       use_files = 1;
       i++;
       continue;
     }
 
-    if (trustee_is_subdirs_option(argv[i])) {
+    if (tool_is_subdirs_option(argv[i])) {
       use_subdirs = 1;
       i++;
       continue;
diff --git a/revoke.c b/revoke.c
index 9038bce..34511a1 100644
--- a/revoke.c
+++ b/revoke.c
@@ -315,13 +315,13 @@ int func_revoke(int argc, char *argv[], int mode)
       return(1);
     }
 
-    if (trustee_is_files_option(argv[i])) {
+    if (tool_is_files_option(argv[i])) {
       use_files = 1;
       i++;
       continue;
     }
 
-    if (trustee_is_subdirs_option(argv[i])) {
+    if (tool_is_subdirs_option(argv[i])) {
       use_subdirs = 1;
       i++;
       continue;
diff --git a/slist.c b/slist.c
index a66b21b..6f619c7 100644
--- a/slist.c
+++ b/slist.c
@@ -34,12 +34,6 @@ static int usage(void)
   return(0);
 }
 
-static int is_help_arg(char *s)
-{
-  if (!s) return(0);
-  return(tool_strsame(s, "/?") || tool_strsame(s, "-?") || tool_strsame(s, "?"));
-}
-
 static unsigned long node_to_number(uint8 *addr)
 {
   unsigned long n = 0;
@@ -76,7 +70,7 @@ int func_slist(int argc, char *argv[], int mode)
   strcpy(pattern, "*");
 
   for (i = 1; i < argc; i++) {
-    if (is_help_arg(argv[i])) return(usage());
+    if (tool_is_help_arg(argv[i])) return(usage());
 
     if (argv[i][0] == '/' || argv[i][0] == '-') {
       if (tool_strsame(argv[i], "/C") || tool_strsame(argv[i], "/CONTINUE") ||
diff --git a/trustee.c b/trustee.c
index 510d3f7..2327c7b 100644
--- a/trustee.c
+++ b/trustee.c
@@ -31,48 +31,6 @@
 #define S_IFDIR 0040000
 #endif
 
-/*
- * trustee_is_subdirs_option
- *
- * Purpose:
- *   Recognizes the GRANT/REMOVE/REVOKE option variants that request
- *   recursive processing of subdirectories.
- *
- * Parameters:
- *   s - command-line token to test.
- *
- * Returns:
- *   Non-zero when the token is a /SUBDIRS, /SUBDIRECTORIES or /S option,
- *   otherwise zero.
- */
-int trustee_is_subdirs_option(char *s)
-{
-  if (!s) return(0);
-  return(tool_strsame(s, "/SUBDIRS") || tool_strsame(s, "-SUBDIRS") ||
-         tool_strsame(s, "/SUBDIRECTORIES") || tool_strsame(s, "-SUBDIRECTORIES") ||
-         tool_strsame(s, "/S") || tool_strsame(s, "-S"));
-}
-
-/*
- * trustee_is_files_option
- *
- * Purpose:
- *   Recognizes the option variants that request file entries in addition to
- *   directories for trustee operations.
- *
- * Parameters:
- *   s - command-line token to test.
- *
- * Returns:
- *   Non-zero for /FILES or /F variants, otherwise zero.
- */
-int trustee_is_files_option(char *s)
-{
-  if (!s) return(0);
-  return(tool_strsame(s, "/FILES") || tool_strsame(s, "-FILES") ||
-         tool_strsame(s, "/F") || tool_strsame(s, "-F"));
-}
-
 /*
  * trustee_parse_right_word
  *
diff --git a/trustee.h b/trustee.h
index 9d6d1e9..20147f5 100644
--- a/trustee.h
+++ b/trustee.h
@@ -43,8 +43,6 @@
                                TRUSTEE_RIGHT_DELETE | TRUSTEE_RIGHT_MODIFY | \
                                TRUSTEE_RIGHT_SEARCH | TRUSTEE_RIGHT_OWNER)
 
-int trustee_is_subdirs_option(char *s);
-int trustee_is_files_option(char *s);
 int trustee_parse_right_word(char *s, uint16 *rights);
 void trustee_rights_bracket(uint16 rights, char *out);
 uint32 trustee_lookup_object(char *name, uint16 *objtype, int objtype_given);