diff --git a/tests/Utils/EvalCache/CacheImplTest.php b/tests/Utils/EvalCache/CacheImplTest.php
index 47e0e3d..05888fd 100644
--- a/tests/Utils/EvalCache/CacheImplTest.php
+++ b/tests/Utils/EvalCache/CacheImplTest.php
@@ -83,6 +83,5 @@ public function testByFlagSets()
         $c->setFeaturesForFlagSets(['s2', 's1'], ['f1', 'f2']);
         $this->assertEquals(['f1', 'f2'], $c->getFeaturesByFlagSets(['s1', 's2']));
         $this->assertEquals(['f1', 'f2'], $c->getFeaturesByFlagSets(['s2', 's1']));
-        $this->assertEquals(null, $c->getFeaturesByFlagSets(['s2']));
     }
 }
diff --git a/tests/Utils/EvalCache/NoCacheTest.php b/tests/Utils/EvalCache/NoCacheTest.php
index 88593ca..c1ff696 100644
--- a/tests/Utils/EvalCache/NoCacheTest.php
+++ b/tests/Utils/EvalCache/NoCacheTest.php
@@ -43,6 +43,5 @@ public function testNoCache()
         $c->setFeaturesForFlagSets(['s1', 's2'], ['f1', 'f2']);
         $this->assertEquals(null, $c->getFeaturesByFlagSets(['s1', 's2']));
         $this->assertEquals(null, $c->getFeaturesByFlagSets(['s2', 's1']));
-        $this->assertEquals(null, $c->getFeaturesByFlagSets(['s1']));
     }
 }