diff --git a/integraal/integraal-explanation/src/test/java/fr/boreal/test/explanation/unit_tests/explainer/tracker_gri_s4j/KBSupportExplainerWithLinearTrackerAndSat4JTest.java b/integraal/integraal-explanation/src/test/java/fr/boreal/test/explanation/unit_tests/explainer/tracker_gri_s4j/KBSupportExplainerWithLinearTrackerAndSat4JTest.java
index 4814cd087fb0611f0cff9f2166b3720a14a63b5f..25c9da75a3530757c9fecfc14eab9423a4e2dd42 100644
--- a/integraal/integraal-explanation/src/test/java/fr/boreal/test/explanation/unit_tests/explainer/tracker_gri_s4j/KBSupportExplainerWithLinearTrackerAndSat4JTest.java
+++ b/integraal/integraal-explanation/src/test/java/fr/boreal/test/explanation/unit_tests/explainer/tracker_gri_s4j/KBSupportExplainerWithLinearTrackerAndSat4JTest.java
@@ -110,8 +110,6 @@ public class KBSupportExplainerWithLinearTrackerAndSat4JTest {
         Set<KnowledgeBase> explanations = explainer.getAllExplanations(query);
 
         KnowledgeBase expectedExpl = createKnowledgeBase(Set.of(TestData.pa),
-                // there is no rule in the explanation
-                // Set.of(TestData.r12_px_px)
                 Set.of()
         );