diff --git a/main/ecfs_snapshot.c b/main/ecfs_snapshot.c
index 5cf51a6..722f99a 100644
--- a/main/ecfs_snapshot.c
+++ b/main/ecfs_snapshot.c
@@ -279,7 +279,7 @@ int main(int argc, char **argv)
 	notedesc_t *notedesc = NULL;
 	handle_t *handle = alloca(sizeof(handle_t));
 	pid_t pid = 0;
-	int i, j, ret, c, pie = 0;
+	int i, ret, c, pie = 0;
 	char *corefile = NULL;
 	char *outfile = NULL;
 	list_t *list_head;
diff --git a/main/readecfs.c b/main/readecfs.c
index 2df9e35..f917665 100644
--- a/main/readecfs.c
+++ b/main/readecfs.c
@@ -220,7 +220,7 @@ int main(int argc, char **argv)
 		ret = get_fd_info(desc, &fdinfo);
 		printf("- files/pipes/sockets (.fdinfo):\n");
 		for (i = 0; i < ret; i++) {
-			printf("\t[fd: %d:%d] perms: %lx path: %s\n", fdinfo[i].fd, (int)fdinfo[i].pos, fdinfo[i].perms, fdinfo[i].path);
+			printf("\t[fd: %d:%d] perms: %x path: %s\n", fdinfo[i].fd, (int)fdinfo[i].pos, fdinfo[i].perms, fdinfo[i].path);
 			if (fdinfo[i].net) {
 				switch(fdinfo[i].net) {
 				case NET_TCP:
diff --git a/src/core_notes.c b/src/core_notes.c
index 83aee7b..443f542 100644
--- a/src/core_notes.c
+++ b/src/core_notes.c
@@ -102,7 +102,7 @@ static void print_nt_files(struct nt_file_struct *file_maps)
 notedesc_t * parse_notes_area(elfdesc_t *elfdesc)
 {
 	notedesc_t *notedesc = (notedesc_t *)heapAlloc(sizeof(notedesc_t));
-	size_t i, j, len;
+	size_t i, len;
 	int tc, fpregset_count = 0, fpxregset_count = 0;
 	uint8_t *desc;
 	struct nt_file_struct *nt_files; // for parsing NT_FILE in corefile
diff --git a/src/core_text.c b/src/core_text.c
index f8de97a..cdc792e 100644
--- a/src/core_text.c
+++ b/src/core_text.c
@@ -103,7 +103,6 @@ int merge_exe_text_into_core(const char *path, memdesc_t *memdesc)
         uint8_t *mem;
         struct stat st;
         int in, out, i = 0;
-        int data_index;
 
 	in = xopen(path, O_RDWR);
 	xfstat(in, &st);