diff --git a/tests/Unit/lazysmallbitvector.cpp b/tests/Unit/lazysmallbitvector.cpp
index 2dbf5df8a..31f85ad21 100644
--- a/tests/Unit/lazysmallbitvector.cpp
+++ b/tests/Unit/lazysmallbitvector.cpp
@@ -34,7 +34,7 @@ BOOST_AUTO_TEST_CASE(TestSetAndRead) {
 
   // Test small
   BitVector.set(0);
-  BOOST_TEST(BitVector.requiredBits() == 1);
+  BOOST_TEST(BitVector.requiredBits() == 1U);
   BOOST_TEST(BitVector[0] == true);
   BOOST_TEST(BitVector[1] == false);
   BOOST_TEST(BitVector[1000] == false);
diff --git a/tests/Unit/stackanalysis.cpp b/tests/Unit/stackanalysis.cpp
index f2ebea2bf..96168b9f8 100644
--- a/tests/Unit/stackanalysis.cpp
+++ b/tests/Unit/stackanalysis.cpp
@@ -170,5 +170,5 @@ BOOST_AUTO_TEST_CASE(TestASSlot) {
   // Test usage in a map
   std::map<ASSlot, int> Map;
   Map[SP1Slot] = 0;
-  BOOST_TEST(Map.count(SP1Slot) != 0);
+  BOOST_TEST(Map.count(SP1Slot) != 0U);
 }