diff --git a/cmdedit.c b/cmdedit.c
index ffe7afab2..e317b86fa 100644
--- a/cmdedit.c
+++ b/cmdedit.c
@@ -113,7 +113,7 @@ void *xcalloc(size_t size, size_t se)
 }
 
 #define error_msg(s, d)                   fprintf(stderr, s, d)
-#endif
+#endif /* TEST */
 
 
 struct history {
diff --git a/console-tools/loadacm.c b/console-tools/loadacm.c
index 81b973b02..e5a29b6a1 100644
--- a/console-tools/loadacm.c
+++ b/console-tools/loadacm.c
@@ -24,10 +24,10 @@
 typedef unsigned short unicode;
 
 static long int ctoi(unsigned char *s, int *is_unicode);
-int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]);
-int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode);
-unicode utf8_to_ucs2(char *buf);
-int screen_map_load(int fd, FILE * fp);
+static int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]);
+static int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode);
+static unicode utf8_to_ucs2(char *buf);
+static int screen_map_load(int fd, FILE * fp);
 
 int loadacm_main(int argc, char **argv)
 {
@@ -51,7 +51,7 @@ int loadacm_main(int argc, char **argv)
 	return EXIT_SUCCESS;
 }
 
-int screen_map_load(int fd, FILE * fp)
+static int screen_map_load(int fd, FILE * fp)
 {
 	struct stat stbuf;
 	unicode wbuf[E_TABSZ];
@@ -141,7 +141,7 @@ int screen_map_load(int fd, FILE * fp)
  *
  * FIXME: ignores everything after second word
  */
-int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
+static int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
 {
 	char buffer[256];			/* line buffer reading file */
 	char *p, *q;				/* 1st + 2nd words in line */
@@ -213,7 +213,7 @@ int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
 }
 
 
-int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
+static int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
 {
 	char buffer[256];
 	int in, on;
@@ -255,7 +255,7 @@ int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
  *
  * CAVEAT: will report valid UTF mappings using only 1 byte as 8-bit ones.
  */
-long int ctoi(unsigned char *s, int *is_unicode)
+static long int ctoi(unsigned char *s, int *is_unicode)
 {
 	int i;
 	size_t ls;
@@ -302,42 +302,7 @@ long int ctoi(unsigned char *s, int *is_unicode)
 }
 
 
-void saveoldmap(int fd, char *omfil)
-{
-	FILE *fp;
-	char buf[E_TABSZ];
-
-#ifdef GIO_UNISCRNMAP
-	unicode xbuf[E_TABSZ];
-	int is_old_map = 0;
-
-	if (ioctl(fd, GIO_UNISCRNMAP, xbuf)) {
-		perror_msg("GIO_UNISCRNMAP ioctl error");
-#endif
-		if (ioctl(fd, GIO_SCRNMAP, buf))
-			perror_msg_and_die("GIO_SCRNMAP ioctl error");
-		else
-			is_old_map = 1;
-#ifdef GIO_UNISCRNMAP
-	}
-#endif
-
-	fp = xfopen(omfil, "w");
-#ifdef GIO_UNISCRNMAP
-	if (is_old_map) {
-#endif
-		if (fwrite(buf, E_TABSZ, 1, fp) != 1)
-			perror_msg_and_die("Error writing map to file");
-#ifdef GIO_UNISCRNMAP
-	} else if (fwrite(xbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) {
-		perror_msg_and_die("Error writing map to file");
-	}
-#endif
-
-	fclose(fp);
-}
-
-unicode utf8_to_ucs2(char *buf)
+static unicode utf8_to_ucs2(char *buf)
 {
 	int utf_count = 0;
 	long utf_char = 0;
diff --git a/coreutils/expr.c b/coreutils/expr.c
index 10aaa6be1..4a537bf33 100644
--- a/coreutils/expr.c
+++ b/coreutils/expr.c
@@ -225,7 +225,7 @@ int name (l, r) VALUE *l; VALUE *r;		\
 }
 
 #define arithdivf(name, op)			\
-int name (l, r) VALUE *l; VALUE *r;		\
+static int name (l, r) VALUE *l; VALUE *r;		\
 {						\
   if (!toarith (l) || !toarith (r))		\
     error_msg_and_die ( "non-numeric argument");	\
diff --git a/coreutils/test.c b/coreutils/test.c
index ab9c23e4b..79db8cbb6 100644
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -110,10 +110,10 @@ enum token_types {
 	PAREN
 };
 
-struct t_op {
+static const struct t_op {
 	const char *op_text;
 	short op_num, op_type;
-} const ops [] = {
+} ops [] = {
 	{"-r",	FILRD,	UNOP},
 	{"-w",	FILWR,	UNOP},
 	{"-x",	FILEX,	UNOP},
diff --git a/coreutils/usleep.c b/coreutils/usleep.c
index 92e4437c5..6023bf430 100644
--- a/coreutils/usleep.c
+++ b/coreutils/usleep.c
@@ -21,6 +21,8 @@
  *
  */
 
+/* getopt not needed */
+
 #include <stdlib.h>
 #include <unistd.h>
 #include "busybox.h"
diff --git a/expr.c b/expr.c
index 10aaa6be1..4a537bf33 100644
--- a/expr.c
+++ b/expr.c
@@ -225,7 +225,7 @@ int name (l, r) VALUE *l; VALUE *r;		\
 }
 
 #define arithdivf(name, op)			\
-int name (l, r) VALUE *l; VALUE *r;		\
+static int name (l, r) VALUE *l; VALUE *r;		\
 {						\
   if (!toarith (l) || !toarith (r))		\
     error_msg_and_die ( "non-numeric argument");	\
diff --git a/loadacm.c b/loadacm.c
index 81b973b02..e5a29b6a1 100644
--- a/loadacm.c
+++ b/loadacm.c
@@ -24,10 +24,10 @@
 typedef unsigned short unicode;
 
 static long int ctoi(unsigned char *s, int *is_unicode);
-int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]);
-int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode);
-unicode utf8_to_ucs2(char *buf);
-int screen_map_load(int fd, FILE * fp);
+static int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]);
+static int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode);
+static unicode utf8_to_ucs2(char *buf);
+static int screen_map_load(int fd, FILE * fp);
 
 int loadacm_main(int argc, char **argv)
 {
@@ -51,7 +51,7 @@ int loadacm_main(int argc, char **argv)
 	return EXIT_SUCCESS;
 }
 
-int screen_map_load(int fd, FILE * fp)
+static int screen_map_load(int fd, FILE * fp)
 {
 	struct stat stbuf;
 	unicode wbuf[E_TABSZ];
@@ -141,7 +141,7 @@ int screen_map_load(int fd, FILE * fp)
  *
  * FIXME: ignores everything after second word
  */
-int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
+static int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
 {
 	char buffer[256];			/* line buffer reading file */
 	char *p, *q;				/* 1st + 2nd words in line */
@@ -213,7 +213,7 @@ int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode)
 }
 
 
-int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
+static int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
 {
 	char buffer[256];
 	int in, on;
@@ -255,7 +255,7 @@ int old_screen_map_read_ascii(FILE * fp, unsigned char buf[])
  *
  * CAVEAT: will report valid UTF mappings using only 1 byte as 8-bit ones.
  */
-long int ctoi(unsigned char *s, int *is_unicode)
+static long int ctoi(unsigned char *s, int *is_unicode)
 {
 	int i;
 	size_t ls;
@@ -302,42 +302,7 @@ long int ctoi(unsigned char *s, int *is_unicode)
 }
 
 
-void saveoldmap(int fd, char *omfil)
-{
-	FILE *fp;
-	char buf[E_TABSZ];
-
-#ifdef GIO_UNISCRNMAP
-	unicode xbuf[E_TABSZ];
-	int is_old_map = 0;
-
-	if (ioctl(fd, GIO_UNISCRNMAP, xbuf)) {
-		perror_msg("GIO_UNISCRNMAP ioctl error");
-#endif
-		if (ioctl(fd, GIO_SCRNMAP, buf))
-			perror_msg_and_die("GIO_SCRNMAP ioctl error");
-		else
-			is_old_map = 1;
-#ifdef GIO_UNISCRNMAP
-	}
-#endif
-
-	fp = xfopen(omfil, "w");
-#ifdef GIO_UNISCRNMAP
-	if (is_old_map) {
-#endif
-		if (fwrite(buf, E_TABSZ, 1, fp) != 1)
-			perror_msg_and_die("Error writing map to file");
-#ifdef GIO_UNISCRNMAP
-	} else if (fwrite(xbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) {
-		perror_msg_and_die("Error writing map to file");
-	}
-#endif
-
-	fclose(fp);
-}
-
-unicode utf8_to_ucs2(char *buf)
+static unicode utf8_to_ucs2(char *buf)
 {
 	int utf_count = 0;
 	long utf_char = 0;
diff --git a/mkfs_minix.c b/mkfs_minix.c
index a83fa7961..70374eae9 100644
--- a/mkfs_minix.c
+++ b/mkfs_minix.c
@@ -382,7 +382,7 @@ static void mark_good_blocks(void)
 		mark_zone(good_blocks_table[blk]);
 }
 
-inline int next(int zone)
+static int next(int zone)
 {
 	if (!zone)
 		zone = FIRSTZONE - 1;
diff --git a/networking/telnet.c b/networking/telnet.c
index d47bf699b..edcc5081f 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -85,7 +85,7 @@ enum {
 typedef unsigned char byte;
 
 /* use globals to reduce size ??? */ /* test this hypothesis later */
-struct Globalvars {
+static struct Globalvars {
 	int		netfd; /* console fd:s are 0 and 1 (and 2) */
     /* same buffer used both for network and console read/write */
 	char *	buf; /* allocating so static size is smaller */
@@ -108,7 +108,7 @@ struct Globalvars {
 struct Globalvars * Gptr;
 #define G (*Gptr)
 #else
-struct Globalvars G;
+static struct Globalvars G;
 #endif
 
 static inline void iacflush()
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index ffe7afab2..e317b86fa 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -113,7 +113,7 @@ void *xcalloc(size_t size, size_t se)
 }
 
 #define error_msg(s, d)                   fprintf(stderr, s, d)
-#endif
+#endif /* TEST */
 
 
 struct history {
diff --git a/telnet.c b/telnet.c
index d47bf699b..edcc5081f 100644
--- a/telnet.c
+++ b/telnet.c
@@ -85,7 +85,7 @@ enum {
 typedef unsigned char byte;
 
 /* use globals to reduce size ??? */ /* test this hypothesis later */
-struct Globalvars {
+static struct Globalvars {
 	int		netfd; /* console fd:s are 0 and 1 (and 2) */
     /* same buffer used both for network and console read/write */
 	char *	buf; /* allocating so static size is smaller */
@@ -108,7 +108,7 @@ struct Globalvars {
 struct Globalvars * Gptr;
 #define G (*Gptr)
 #else
-struct Globalvars G;
+static struct Globalvars G;
 #endif
 
 static inline void iacflush()
diff --git a/test.c b/test.c
index ab9c23e4b..79db8cbb6 100644
--- a/test.c
+++ b/test.c
@@ -110,10 +110,10 @@ enum token_types {
 	PAREN
 };
 
-struct t_op {
+static const struct t_op {
 	const char *op_text;
 	short op_num, op_type;
-} const ops [] = {
+} ops [] = {
 	{"-r",	FILRD,	UNOP},
 	{"-w",	FILWR,	UNOP},
 	{"-x",	FILEX,	UNOP},
diff --git a/usleep.c b/usleep.c
index 92e4437c5..6023bf430 100644
--- a/usleep.c
+++ b/usleep.c
@@ -21,6 +21,8 @@
  *
  */
 
+/* getopt not needed */
+
 #include <stdlib.h>
 #include <unistd.h>
 #include "busybox.h"
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c
index a83fa7961..70374eae9 100644
--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -382,7 +382,7 @@ static void mark_good_blocks(void)
 		mark_zone(good_blocks_table[blk]);
 }
 
-inline int next(int zone)
+static int next(int zone)
 {
 	if (!zone)
 		zone = FIRSTZONE - 1;