diff --git a/parser/bignum.h b/parser/bignum.h
index 757da4964..e472de844 100644
--- a/parser/bignum.h
+++ b/parser/bignum.h
@@ -12,8 +12,7 @@
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, contact Novell, Inc. or Canonical
- *   Ltd.
+ *   along with this program; if not, contact Canonical Ltd.
  */
 
 #ifndef __AA_BIGNUM_H
@@ -29,10 +28,9 @@ class bignum
 {
 public:
 	std::vector<uint8_t> data;
-	uint64_t sad = 543;
 	uint8_t base;
 	bool negative = false;
-	bignum () {}
+	bignum () : base(0) {}
 
 	bignum (unsigned long val) {
 		if (val == 0)
diff --git a/parser/parser_regex.c b/parser/parser_regex.c
index 7d1847692..ef5c2c1f4 100644
--- a/parser/parser_regex.c
+++ b/parser/parser_regex.c
@@ -882,7 +882,7 @@ static std::string generate_regex_range(bignum start, bignum end)
 	std::ostringstream result;
 	std::vector<std::pair<bignum, bignum>> regex_range;
 	int j;
-	regex_range = regex_range_generator(start, end);
+	regex_range = regex_range_generator(std::move(start), std::move(end));
 	for (auto &i: regex_range) {
 		bignum sstart = i.first;
 		bignum send = i.second;
@@ -942,7 +942,7 @@ int convert_range(std::string& buffer, bignum start, bignum end)
 	pattern_t ptype;
 	int pos;
 
-	std::string regex_range = generate_regex_range(start, end);
+	std::string regex_range = generate_regex_range(std::move(start), std::move(end));
 
 	if (!regex_range.empty()) {
 		ptype = convert_aaregex_to_pcre(regex_range.c_str(), 0, glob_default, buffer, &pos);