diff --git a/usr.sbin/crunch/crunchide/crunchide.c b/usr.sbin/crunch/crunchide/crunchide.c
--- a/usr.sbin/crunch/crunchide/crunchide.c
+++ b/usr.sbin/crunch/crunchide/crunchide.c
@@ -76,7 +76,7 @@
 
 #include "extern.h"
 
-char *pname = "crunchide";
+static const char *pname = "crunchide";
 
 void usage(void);
 
@@ -85,7 +85,7 @@
 
 int hide_syms(const char *filename);
 
-int verbose;
+static int verbose;
 
 int main(int, char *[]);
 
@@ -137,7 +137,7 @@
 
 /* ---------------------------- */
 
-struct keep {
+static struct keep {
     struct keep *next;
     char *sym;
 } *keep_list;
@@ -206,7 +206,7 @@
 
 /* ---------------------------- */
 
-struct {
+static struct {
 	const char *name;
 	int	(*check)(int, const char *);	/* 1 if match, zero if not */
 	int	(*hide)(int, const char *);	/* non-zero if error */
diff --git a/usr.sbin/crunch/crunchide/exec_elf32.c b/usr.sbin/crunch/crunchide/exec_elf32.c
--- a/usr.sbin/crunch/crunchide/exec_elf32.c
+++ b/usr.sbin/crunch/crunchide/exec_elf32.c
@@ -155,7 +155,7 @@
 }
 
 int
-ELFNAMEEND(check)(int fd, const char *fn)
+ELFNAMEEND(check)(int fd, const char *fn __unused)
 {
 	Elf_Ehdr eh;
 	struct stat sb;
@@ -435,12 +435,12 @@
 	 * update section header table in ascending order of offset
 	 */
 	for (i = strtabidx + 1; i < shnum; i++) {
-		Elf_Off off, align;
-		off = xewtoh(layoutp[i - 1].shdr->sh_offset) +
+		Elf_Off soff, align;
+		soff = xewtoh(layoutp[i - 1].shdr->sh_offset) +
 		    xewtoh(layoutp[i - 1].shdr->sh_size);
 		align = xewtoh(layoutp[i].shdr->sh_addralign);
-		off = (off + (align - 1)) & ~(align - 1);
-		layoutp[i].shdr->sh_offset = htoxew(off);
+		soff = (soff + (align - 1)) & ~(align - 1);
+		layoutp[i].shdr->sh_offset = htoxew(soff);
 	}
 
 	/*