diff --git a/network-store-iidm-impl/src/test/java/com/powsybl/network/store/iidm/impl/tck/MergeNetworkTest.java b/network-store-iidm-impl/src/test/java/com/powsybl/network/store/iidm/impl/tck/MergeNetworkTest.java
index 1935d2f56..7e5737752 100644
--- a/network-store-iidm-impl/src/test/java/com/powsybl/network/store/iidm/impl/tck/MergeNetworkTest.java
+++ b/network-store-iidm-impl/src/test/java/com/powsybl/network/store/iidm/impl/tck/MergeNetworkTest.java
@@ -38,21 +38,11 @@ public void multipleDanglingLinesInMergedNetwork() {
         // FIXME
     }
 
-    @Override
-    public void testMergeSameId() {
-        // FIXME
-    }
-
     @Override
     public void test() {
         // FIXME
     }
 
-    @Override
-    public void xnodeNonCompatible() {
-        // FIXME
-    }
-
     @Override
     public void mergeThenCloneVariantBug() {
         // FIXME