diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c
index 451c92d..2ef5e2e 100644
--- a/scripts/dtc/dtc.c
+++ b/scripts/dtc/dtc.c
@@ -101,7 +101,7 @@
 	const char *outform = "dts";
 	const char *outname = "-";
 	const char *depname = NULL;
-	int force = 0, check = 0, sort = 0;
+	int force = 0, sort = 0;
 	const char *arg;
 	int opt;
 	FILE *outf = NULL;
@@ -143,9 +143,6 @@
 		case 'f':
 			force = 1;
 			break;
-		case 'c':
-			check = 1;
-			break;
 		case 'q':
 			quiet++;
 			break;
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index ead0332..28d0b23 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -697,7 +697,6 @@
 {
 	struct reserve_info *reservelist = NULL;
 	struct reserve_info *new;
-	const char *p;
 	struct fdt_reserve_entry re;
 
 	/*
@@ -706,7 +705,6 @@
 	 *
 	 * First pass, count entries.
 	 */
-	p = inb->ptr;
 	while (1) {
 		flat_read_chunk(inb, &re, sizeof(re));
 		re.address  = fdt64_to_cpu(re.address);