diff --git a/libntfs/attrlist.c b/libntfs/attrlist.c
index 98efe64a..4c7125b7 100644
--- a/libntfs/attrlist.c
+++ b/libntfs/attrlist.c
@@ -38,7 +38,7 @@
  *
  * Return 0 on success and -1 on error with errno set to the error code.
  */
-int ntfs_attrlist_entry_rm(ntfs_attr_search_ctx *ctx)
+int ntfs_attrlist_entry_rm(ntfs_attr_search_ctx *ctx __attribute__((unused)))
 {
 	errno = ENOTSUP;
 	return -1;
diff --git a/ntfsprogs/ntfscat.c b/ntfsprogs/ntfscat.c
index bd2d8834..25382a24 100644
--- a/ntfsprogs/ntfscat.c
+++ b/ntfsprogs/ntfscat.c
@@ -210,7 +210,9 @@ static int parse_options (int argc, char **argv)
 /**
  * cat
  */
-static int cat (ntfs_volume *vol, ntfs_inode *inode, ATTR_TYPES type, ntfschar *name, int namelen)
+static int cat (ntfs_volume *vol __attribute__((unused)), ntfs_inode *inode,
+		ATTR_TYPES type, ntfschar *name __attribute__((unused)),
+		int namelen __attribute__((unused)))
 {
 	/* increase 1024 only if you fix partial writes below */
 	const int bufsize = 1024; 
diff --git a/ntfsprogs/ntfscluster.c b/ntfsprogs/ntfscluster.c
index 777c142a..df5f0e05 100644
--- a/ntfsprogs/ntfscluster.c
+++ b/ntfsprogs/ntfscluster.c
@@ -398,7 +398,7 @@ static int dump_file (ntfs_volume *vol, ntfs_inode *ino)
  * print_match
  */
 static int print_match (ntfs_inode *ino, ATTR_RECORD *attr,
-	runlist_element *run, void *data)
+	runlist_element *run, void *data __attribute__((unused)))
 {
 	char *buffer;
 
diff --git a/ntfsprogs/ntfsls.c b/ntfsprogs/ntfsls.c
index 7eaf05a3..8d77ea54 100644
--- a/ntfsprogs/ntfsls.c
+++ b/ntfsprogs/ntfsls.c
@@ -463,8 +463,8 @@ static int readdir_recursive(ntfs_inode * ni, s64 * pos, ntfsls_dirent * dirent)
  */
 static int list_dir_entry(ntfsls_dirent * dirent, const ntfschar * name,
 			  const int name_len, const int name_type,
-			  const s64 pos, const MFT_REF mref,
-			  const unsigned dt_type)
+			  const s64 pos __attribute__((unused)),
+			  const MFT_REF mref, const unsigned dt_type)
 {
 	char *filename = NULL;
 	int result = 0;