diff --git a/graph/db/models/channel_edge_policy.go b/graph/db/models/channel_edge_policy.go
index 48d748ee0..a2661ef6f 100644
--- a/graph/db/models/channel_edge_policy.go
+++ b/graph/db/models/channel_edge_policy.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/btcsuite/btcd/btcec/v2/ecdsa"
 	"github.com/lightningnetwork/lnd/fn/v2"
 	"github.com/lightningnetwork/lnd/lnwire"
 )
@@ -17,13 +16,9 @@ import (
 type ChannelEdgePolicy struct {
 	// SigBytes is the raw bytes of the signature of the channel edge
 	// policy. We'll only parse these if the caller needs to access the
-	// signature for validation purposes. Do not set SigBytes directly, but
-	// use SetSigBytes instead to make sure that the cache is invalidated.
+	// signature for validation purposes.
 	SigBytes []byte
 
-	// sig is a cached fully parsed signature.
-	sig *ecdsa.Signature
-
 	// ChannelID is the unique channel ID for the channel. The first 3
 	// bytes are the block height, the next 3 the index within the block,
 	// and the last 2 bytes are the output index for the channel.
@@ -84,33 +79,6 @@ type ChannelEdgePolicy struct {
 	ExtraOpaqueData lnwire.ExtraOpaqueData
 }
 
-// Signature is a channel announcement signature, which is needed for proper
-// edge policy announcement.
-//
-// NOTE: By having this method to access an attribute, we ensure we only need
-// to fully deserialize the signature if absolutely necessary.
-func (c *ChannelEdgePolicy) Signature() (*ecdsa.Signature, error) {
-	if c.sig != nil {
-		return c.sig, nil
-	}
-
-	sig, err := ecdsa.ParseSignature(c.SigBytes)
-	if err != nil {
-		return nil, err
-	}
-
-	c.sig = sig
-
-	return sig, nil
-}
-
-// SetSigBytes updates the signature and invalidates the cached parsed
-// signature.
-func (c *ChannelEdgePolicy) SetSigBytes(sig []byte) {
-	c.SigBytes = sig
-	c.sig = nil
-}
-
 // IsDisabled determines whether the edge has the disabled bit set.
 func (c *ChannelEdgePolicy) IsDisabled() bool {
 	return c.ChannelFlags.IsDisabled()
diff --git a/routing/localchans/manager.go b/routing/localchans/manager.go
index a48486e7b..1a7c1d585 100644
--- a/routing/localchans/manager.go
+++ b/routing/localchans/manager.go
@@ -449,7 +449,7 @@ func (r *Manager) updateEdge(chanPoint wire.OutPoint,
 	}
 
 	// Clear signature to help prevent usage of the previous signature.
-	edge.SetSigBytes(nil)
+	edge.SigBytes = nil
 
 	return nil
 }