diff --git a/test/assert_test.cpp b/test/assert_test.cpp
index 4919f6a..5e440f5 100644
--- a/test/assert_test.cpp
+++ b/test/assert_test.cpp
@@ -19,7 +19,7 @@
 
 void test_default()
 {
-    int x = 1;
+    int x = 1; (void)x;
 
     BOOST_ASSERT(1);
     BOOST_ASSERT(x);
diff --git a/test/quick.cpp b/test/quick.cpp
index ec3dba6..bbfc17d 100644
--- a/test/quick.cpp
+++ b/test/quick.cpp
@@ -13,6 +13,6 @@
 
 int main()
 {
-    int x = 1;
+    int x = 1; (void)x;
     BOOST_ASSERT( x == 1 );
 }