diff --git a/bwamem.c b/bwamem.c
index ae9731a..dbe039f 100644
--- a/bwamem.c
+++ b/bwamem.c
@@ -1151,7 +1151,7 @@ void mem_process_seqs(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bn
 	worker_t w;
 	mem_pestat_t pes[4];
 	double ctime, rtime;
-	int i, has_alt = 0;
+	int i;
 
 	for (i = 0; i < bns->n_seqs; ++i)
 		if (bns->anns[i].is_alt) has_alt = 1;
diff --git a/main.c b/main.c
index 3edac05..9ff48fc 100644
--- a/main.c
+++ b/main.c
@@ -4,7 +4,7 @@
 #include "utils.h"
 
 #ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "0.7.10-r828-dirty"
+#define PACKAGE_VERSION "0.7.10-r829-dirty"
 #endif
 
 int bwa_fa2pac(int argc, char *argv[]);