diff --git a/fullstack-network-manager/src/commands/flags.mjs b/fullstack-network-manager/src/commands/flags.mjs
index bcd6554c6..eded2b8bf 100644
--- a/fullstack-network-manager/src/commands/flags.mjs
+++ b/fullstack-network-manager/src/commands/flags.mjs
@@ -245,15 +245,6 @@ export const tlsClusterIssuerName = { // tlsClusterIssuerType
   }
 }
 
-export const tlsClusterIssuerNamespace = { // delete
-  name: 'tls-cluster-issuer-namespace',
-  definition: { // TODO fix
-    describe: 'The namespace of the TLS cluster issuer to use for gateway services, defaults to "cert-manager"',
-    default: 'cert-manager',
-    type: 'string'
-  }
-}
-
 export const acmeClusterIssuer = { // delete
   name: 'acme-cluster-issuer',
   definition: {
@@ -305,7 +296,6 @@ export const allFlags = [
   operatorId,
   operatorKey,
   tlsClusterIssuerName,
-  tlsClusterIssuerNamespace,
   enableHederaExplorerTls,
   deletePvcs
 ]
diff --git a/fullstack-network-manager/src/commands/network.mjs b/fullstack-network-manager/src/commands/network.mjs
index a8aaf0fc4..905b1da3c 100644
--- a/fullstack-network-manager/src/commands/network.mjs
+++ b/fullstack-network-manager/src/commands/network.mjs
@@ -9,7 +9,7 @@ import { constants, Templates } from '../core/index.mjs'
 import * as prompts from './prompts.mjs'
 
 export class NetworkCommand extends BaseCommand {
-  getTlsValueArguments (tlsClusterIssuerName, tlsClusterIssuerNamespace, enableHederaExplorerTls) {
+  getTlsValueArguments (tlsClusterIssuerName, enableHederaExplorerTls) {
     // TODO rebuild
 
     // return valuesArg
@@ -29,7 +29,7 @@ export class NetworkCommand extends BaseCommand {
   }
 
   prepareValuesArg (chartDir, valuesFile, deployMirrorNode, deployHederaExplorer, tlsClusterIssuerName,
-    tlsClusterIssuerNamespace, enableHederaExplorerTls, acmeClusterIssuer) {
+    enableHederaExplorerTls, acmeClusterIssuer) {
     let valuesArg = ''
     if (chartDir) {
       valuesArg = `-f ${chartDir}/fullstack-deployment/values.yaml`
@@ -56,7 +56,6 @@ export class NetworkCommand extends BaseCommand {
     const deployMirrorNode = this.configManager.getFlag(flags.deployMirrorNode)
     const deployExplorer = this.configManager.getFlag(flags.deployHederaExplorer)
     const tlsClusterIssuerName = this.configManager.getFlag(flags.tlsClusterIssuerName)
-    const tlsClusterIssuerNamespace = this.configManager.getFlag(flags.tlsClusterIssuerNamespace)
     const enableHederaExplorerTls = this.configManager.getFlag(flags.enableHederaExplorerTls)
     const acmeClusterIssuer = this.configManager.getFlag(flags.acmeClusterIssuer)
 
@@ -69,7 +68,6 @@ export class NetworkCommand extends BaseCommand {
       deployMirrorNode: await prompts.promptDeployMirrorNode(task, deployMirrorNode),
       deployHederaExplorer: await prompts.promptDeployHederaExplorer(task, deployExplorer),
       tlsClusterIssuerName: await prompts.promptTlsClusterIssuerName(task, tlsClusterIssuerName),
-      tlsClusterIssuerNamespace: await prompts.promptTlsClusterIssuerNamespace(task, tlsClusterIssuerNamespace),
       enableHederaExplorerTls: await prompts.promptEnableHederaExplorerTls(task, enableHederaExplorerTls),
       acmeClusterIssuer: await prompts.promptAcmeClusterIssuer(task, acmeClusterIssuer),
       version: this.configManager.getVersion()
@@ -81,7 +79,7 @@ export class NetworkCommand extends BaseCommand {
 
     config.valuesArg = this.prepareValuesArg(config.chartDir,
       config.valuesFile, config.deployMirrorNode, config.deployHederaExplorer,
-      config.tlsClusterIssuerName, config.tlsClusterIssuerNamespace, config.enableHederaExplorerTls,
+      config.tlsClusterIssuerName, config.enableHederaExplorerTls,
       config.acmeClusterIssuer)
 
     return config
@@ -294,7 +292,6 @@ export class NetworkCommand extends BaseCommand {
                 flags.valuesFile,
                 flags.chartDirectory,
                 flags.tlsClusterIssuerName,
-                flags.tlsClusterIssuerNamespace,
                 flags.enableHederaExplorerTls,
                 flags.acmeClusterIssuer
               )
@@ -345,7 +342,6 @@ export class NetworkCommand extends BaseCommand {
               flags.valuesFile,
               flags.chartDirectory,
               flags.tlsClusterIssuerName,
-              flags.tlsClusterIssuerNamespace,
               flags.enableHederaExplorerTls,
               flags.acmeClusterIssuer
             ),
diff --git a/fullstack-network-manager/src/commands/prompts.mjs b/fullstack-network-manager/src/commands/prompts.mjs
index 438407bee..77e9ec596 100644
--- a/fullstack-network-manager/src/commands/prompts.mjs
+++ b/fullstack-network-manager/src/commands/prompts.mjs
@@ -367,22 +367,6 @@ export async function promptTlsClusterIssuerName (task, input) {
   }
 }
 
-export async function promptTlsClusterIssuerNamespace (task, input) {
-  try {
-    if (!input) {
-      input = await task.prompt(ListrEnquirerPromptAdapter).run({
-        type: 'text',
-        default: flags.tlsClusterIssuerNamespace.definition.default,
-        message: 'Enter TLS cluster issuer namespace:'
-      })
-    }
-
-    return input
-  } catch (e) {
-    throw new FullstackTestingError(`input failed: ${flags.tlsClusterIssuerNamespace.name}`, e)
-  }
-}
-
 export async function promptEnableHederaExplorerTls (task, input) {
   try {
     if (input === undefined) {