--- a/src/utils.h
+++ b/src/utils.h
@@ -24,11 +24,10 @@
 #if !defined (octave_utils_h)
 #define octave_utils_h 1
 
-#include <time.h>
-
 class istream;
 class ostrstream;
 class tree_constant;
+class Octave_object;
 
 // Tell g++ that jump_to_top_level doesn't return;
 
@@ -40,40 +39,10 @@
 extern char *strsave (const char *);
 extern char *strconcat (const char *, const char *);
 extern void discard_until (istream&, char);
-extern void check_dimensions (int& nr, int& nc, const char *warnfor);
-extern void raw_mode (int);
-extern int kbhit (void);
-extern char **pathstring_to_vector (char *);
-extern char *octave_home (void);
-extern char *octave_lib_dir (void);
-extern char *octave_info_dir (void);
-extern char *default_path (void);
-extern char *default_info_file (void);
-extern char *default_editor (void);
-extern char *get_site_defaults (void);
-extern char *default_pager (void);
 extern char *file_in_path (const char *, const char *);
 extern char *fcn_file_in_path (const char *);
-extern char *polite_directory_format (const char *);
-extern int absolute_pathname (const char *);
-extern int absolute_program (const char *);
-extern char *base_pathname (char *);
-extern int read_octal (const char *);
-extern char *sub_append_string (char *, char *, int *, int *);
-extern char *decode_prompt_string (const char *);
-extern void pathname_backup (char *, int);
-extern char *make_absolute (const char *, const char *);
-extern char *get_working_directory (const char *);
-extern int change_to_directory (const char *);
-extern int is_newer (const char *, time_t);
+extern char **pathstring_to_vector (char *pathstring);
 extern void jump_to_top_level (void);
-extern char *s_plural (int);
-extern char *es_plural (int);
-extern char *save_in_tmp_file (tree_constant& t, int nd = 2, int para = 0); 
-extern void mark_for_deletion (const char *);
-extern void cleanup_tmp_files (void);
-extern int send_to_plot_stream (const char *cmd);
-extern void close_plot_stream (void);
 extern int almost_match (const char *std, const char *s,
 			 int min_match_len = 1, int case_sens = 1);
 extern int keyword_almost_match (const char **std, int *min_len,
@@ -84,12 +53,10 @@
 extern char **get_fcn_file_names (int& ffl_len, int no_suffix);
 extern int NINT (double x);
 extern double D_NINT (double x);
-extern void delete_ppchar (char **);
 
-extern "C"
-{
-extern int gethostname ();
-}
+extern char **make_argv (const Octave_object& args, const char *warnfor);
+
+extern ostrstream& list_in_columns (ostrstream& os, char **list);
 
 #endif