diff --git a/domain/consensus/model/interface_processes_dagtopologymanager.go b/domain/consensus/model/interface_processes_dagtopologymanager.go
index c084441d4..e0c0ca2ea 100644
--- a/domain/consensus/model/interface_processes_dagtopologymanager.go
+++ b/domain/consensus/model/interface_processes_dagtopologymanager.go
@@ -13,7 +13,4 @@ type DAGTopologyManager interface {
 	IsDescendantOf(blockHashA *externalapi.DomainHash, blockHashB *externalapi.DomainHash) (bool, error)
 	IsAncestorOfAny(blockHash *externalapi.DomainHash, potentialDescendants []*externalapi.DomainHash) (bool, error)
 	IsInSelectedParentChainOf(blockHashA *externalapi.DomainHash, blockHashB *externalapi.DomainHash) (bool, error)
-
-	Tips() ([]*externalapi.DomainHash, error)
-	AddTip(tipHash *externalapi.DomainHash) error
 }
diff --git a/domain/consensus/processes/dagtopologymanager/dagtopologymanager.go b/domain/consensus/processes/dagtopologymanager/dagtopologymanager.go
index e56d88d52..306b0c101 100644
--- a/domain/consensus/processes/dagtopologymanager/dagtopologymanager.go
+++ b/domain/consensus/processes/dagtopologymanager/dagtopologymanager.go
@@ -75,12 +75,23 @@ func (dtm *dagTopologyManager) IsDescendantOf(blockHashA *externalapi.DomainHash
 
 // IsAncestorOfAny returns true if `blockHash` is an ancestor of at least one of `potentialDescendants`
 func (dtm *dagTopologyManager) IsAncestorOfAny(blockHash *externalapi.DomainHash, potentialDescendants []*externalapi.DomainHash) (bool, error) {
-	panic("unimplemented")
+	for _, potentialDescendant := range potentialDescendants {
+		isAncestorOf, err := dtm.IsAncestorOf(blockHash, potentialDescendant)
+		if err != nil {
+			return false, err
+		}
+
+		if isAncestorOf {
+			return true, nil
+		}
+	}
+
+	return false, nil
 }
 
 // IsInSelectedParentChainOf returns true if blockHashA is in the selected parent chain of blockHashB
 func (dtm *dagTopologyManager) IsInSelectedParentChainOf(blockHashA *externalapi.DomainHash, blockHashB *externalapi.DomainHash) (bool, error) {
-	panic("unimplemented")
+	return dtm.reachabilityTree.IsReachabilityTreeAncestorOf(blockHashA, blockHashB)
 }
 
 func isHashInSlice(hash *externalapi.DomainHash, hashes []*externalapi.DomainHash) bool {
@@ -91,13 +102,3 @@ func isHashInSlice(hash *externalapi.DomainHash, hashes []*externalapi.DomainHas
 	}
 	return false
 }
-
-// Tips returns the current DAG tips
-func (dtm *dagTopologyManager) Tips() ([]*externalapi.DomainHash, error) {
-	panic("implement me")
-}
-
-// AddTip adds the given tip to the current DAG tips
-func (dtm *dagTopologyManager) AddTip(tipHash *externalapi.DomainHash) error {
-	panic("implement me")
-}