diff --git a/lib/iolog/hostcheck.c b/lib/iolog/hostcheck.c
index 95c14d059..d23514e8b 100644
--- a/lib/iolog/hostcheck.c
+++ b/lib/iolog/hostcheck.c
@@ -188,7 +188,7 @@ matches_common_name(const char *hostname, const char *ipaddr, const X509 *cert,
 {
 	X509_NAME_ENTRY *common_name_entry = NULL;
 	ASN1_STRING *common_name_asn1 = NULL;
- 	int common_name_loc = -1;
+ 	int common_name_loc;
 	debug_decl(matches_common_name, SUDO_DEBUG_UTIL);
 
 	/* Find the position of the CN field in the Subject field of the certificate */
@@ -268,7 +268,7 @@ matches_subject_alternative_name(const char *hostname, const char *ipaddr, const
 {
     HostnameValidationResult result = MatchNotFound;
     int i;
-    int san_names_nb = -1;
+    int san_names_nb;
     STACK_OF(GENERAL_NAME) *san_names = NULL;
     debug_decl(matches_subject_alternative_name, SUDO_DEBUG_UTIL);
 
diff --git a/lib/util/arc4random.c b/lib/util/arc4random.c
index fa892fb60..a51791928 100644
--- a/lib/util/arc4random.c
+++ b/lib/util/arc4random.c
@@ -150,7 +150,7 @@ _rs_rekey(unsigned char *dat, size_t datlen)
 static inline void
 _rs_random_buf(void *_buf, size_t n)
 {
-	unsigned char *buf = (unsigned char *)_buf;
+	unsigned char *buf = _buf;
 	unsigned char *keystream;
 	size_t m;