diff --git a/src/pages/ReferralNetwork/components/NetworkGraph.tsx b/src/pages/ReferralNetwork/components/NetworkGraph.tsx
index 7a5034b..1648d67 100644
--- a/src/pages/ReferralNetwork/components/NetworkGraph.tsx
+++ b/src/pages/ReferralNetwork/components/NetworkGraph.tsx
@@ -166,7 +166,6 @@ function buildFullGraph(graphData: NetworkGraphData): Graph {
   graphData.users.forEach((user) => {
     const fillColor = getNodeFillColor(
       user.subscription_status,
-      user.campaign_id,
       user.direct_referrals,
       user.is_partner,
     );
diff --git a/src/pages/ReferralNetwork/components/NetworkLegend.tsx b/src/pages/ReferralNetwork/components/NetworkLegend.tsx
index 11ed00c..b6f837d 100644
--- a/src/pages/ReferralNetwork/components/NetworkLegend.tsx
+++ b/src/pages/ReferralNetwork/components/NetworkLegend.tsx
@@ -15,7 +15,6 @@ const FILL_ITEMS = [
   { color: NODE_COLORS.partner, labelKey: 'admin.referralNetwork.legend.partner' },
   { color: NODE_COLORS.topReferrer, labelKey: 'admin.referralNetwork.legend.topReferrer' },
   { color: NODE_COLORS.activeReferrer, labelKey: 'admin.referralNetwork.legend.activeReferrer' },
-  { color: NODE_COLORS.campaignUser, labelKey: 'admin.referralNetwork.legend.campaignUser' },
   { color: NODE_COLORS.regular, labelKey: 'admin.referralNetwork.legend.regularUser' },
 ];
 
diff --git a/src/pages/ReferralNetwork/utils.ts b/src/pages/ReferralNetwork/utils.ts
index 3d4b9d2..c7b5e1d 100644
--- a/src/pages/ReferralNetwork/utils.ts
+++ b/src/pages/ReferralNetwork/utils.ts
@@ -40,11 +40,10 @@ export function getSubscriptionStatusColor(status: SubscriptionStatus): string {
  * Fill color priority:
  * 1. Subscription status (when available)
  * 2. Referral role (when no subscription data — keeps visual differentiation)
- * 3. Campaign user / regular fallback
+ * 3. Regular fallback (campaign membership visible via edges, not fill)
  */
 export function getNodeFillColor(
   subscriptionStatus: SubscriptionStatus | null,
-  campaignId: number | null,
   directReferrals: number = 0,
   isPartner: boolean = false,
 ): string {
@@ -52,7 +51,6 @@ export function getNodeFillColor(
   if (isPartner) return NODE_COLORS.partner;
   if (directReferrals >= 10) return NODE_COLORS.topReferrer;
   if (directReferrals >= 1) return NODE_COLORS.activeReferrer;
-  if (campaignId !== null) return NODE_COLORS.campaignUser;
   return NODE_COLORS.regular;
 }