diff --git a/kernel/fatfs.c b/kernel/fatfs.c
index 589a4ec..c1ffce6 100644
--- a/kernel/fatfs.c
+++ b/kernel/fatfs.c
@@ -42,18 +42,18 @@ COUNT xlt_fnp(f_node_ptr);
 STATIC void save_far_f_node(f_node_ptr fnp);
 STATIC f_node_ptr get_near_f_node(void);
 STATIC f_node_ptr split_path(char *, char *);
-BOOL find_fname(f_node_ptr, char *, int);
+STATIC BOOL find_fname(f_node_ptr, char *, int);
     /* /// Added - Ron Cemer */
 STATIC void merge_file_changes(f_node_ptr fnp, int collect);
     /* /// Added - Ron Cemer */
 STATIC int is_same_file(f_node_ptr fnp1, f_node_ptr fnp2);
     /* /// Added - Ron Cemer */
 STATIC void copy_file_changes(f_node_ptr src, f_node_ptr dst);
-BOOL find_free(f_node_ptr);
+STATIC BOOL find_free(f_node_ptr);
 STATIC int alloc_find_free(f_node_ptr fnp, char *path, char *fcbname);
-VOID wipe_out(f_node_ptr);
-CLUSTER extend(f_node_ptr);
-COUNT extend_dir(f_node_ptr);
+STATIC VOID wipe_out(f_node_ptr);
+STATIC CLUSTER extend(f_node_ptr);
+STATIC COUNT extend_dir(f_node_ptr);
 CLUSTER first_fat(f_node_ptr);
 COUNT map_cluster(f_node_ptr, COUNT);
 STATIC VOID shrink_file(f_node_ptr fnp);
diff --git a/kernel/proto.h b/kernel/proto.h
index f966d29..639865e 100644
--- a/kernel/proto.h
+++ b/kernel/proto.h
@@ -60,7 +60,6 @@ void handle_break(struct dhdr FAR **pdev, int sft_out);
 struct dhdr FAR *sft_to_dev(sft FAR *sft);
 long BinaryCharIO(struct dhdr FAR **pdev, size_t n, void FAR * bp,
                   unsigned command);
-int echo_char(int c, int sft_idx);
 int ndread(struct dhdr FAR **pdev);
 int StdinBusy(void);
 void con_flush(struct dhdr FAR **pdev);
@@ -342,7 +341,6 @@ int /*ASMCFUNC*/ ASMPASCAL fmemcmp(const void FAR *m1, const void FAR *m2, size_
 /* sysclk.c */
 COUNT BcdToByte(COUNT x);
 COUNT BcdToWord(BYTE * x, UWORD * mon, UWORD * day, UWORD * yr);
-COUNT ByteToBcd(COUNT x);
 LONG WordToBcd(BYTE * x, UWORD * mon, UWORD * day, UWORD * yr);
 
 /* syspack.c */