diff --git a/charts/explorer/Chart.yaml b/charts/explorer/Chart.yaml
index 044163f..2a97b6e 100644
--- a/charts/explorer/Chart.yaml
+++ b/charts/explorer/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.3
+version: 0.1.4
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/explorer/templates/03-lets-encrypt-issuers.yaml b/charts/explorer/templates/03-lets-encrypt-issuers.yaml
deleted file mode 100644
index 6832888..0000000
--- a/charts/explorer/templates/03-lets-encrypt-issuers.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-{{ $issuer := lookup "cert-manager.io/v1" "Issuer" .Release.Namespace "letsencrypt-staging" }}
-{{ if not $issuer }}
-apiVersion: cert-manager.io/v1
-kind: Issuer
-metadata:
-  name: letsencrypt-staging
-spec:
-  acme:
-    server: https://acme-staging-v02.api.letsencrypt.org/directory
-    email: {{ $.Values.acme.email }}
-    privateKeySecretRef:
-      name: letsencrypt-staging
-    solvers:
-    - http01:
-        ingress:
-          class: nginx
-{{ end }}
----
-{{ $issuer := lookup "cert-manager.io/v1" "Issuer" .Release.Namespace "letsencrypt-production" }}
-{{ if not $issuer }}
-apiVersion: cert-manager.io/v1
-kind: Issuer
-metadata:
-  name: letsencrypt-production
-spec:
-  acme:
-    server: https://acme-v02.api.letsencrypt.org/directory
-    email: {{ $.Values.acme.email }}
-    privateKeySecretRef:
-      name: letsencrypt-production
-    solvers:
-    - http01:
-        ingress:
-          class: nginx
-{{ end }}
diff --git a/charts/explorer/templates/04-explorer-ingress.yaml b/charts/explorer/templates/04-explorer-ingress.yaml
index 79e37c4..39e4ea8 100644
--- a/charts/explorer/templates/04-explorer-ingress.yaml
+++ b/charts/explorer/templates/04-explorer-ingress.yaml
@@ -4,7 +4,7 @@ metadata:
   name: explorer
   annotations:
     kubernetes.io/ingress.class: "nginx"
-    cert-manager.io/issuer: "letsencrypt-{{ .Values.acme.environment }}"
+    cert-manager.io/cluster-issuer: "letsencrypt-{{ .Values.acme.environment }}"
 spec:
   tls:
     - hosts:
diff --git a/charts/explorer/values.yaml b/charts/explorer/values.yaml
index 1d4c1da..0240f5e 100644
--- a/charts/explorer/values.yaml
+++ b/charts/explorer/values.yaml
@@ -4,13 +4,6 @@
 
 host: nowhere.com
 
-ingress: false
-
-acme:
-  email: nobody@nowhere.com
-  # acme issuer type (staging | production)
-  environment: staging
-
 image:
   repository: nobody
   tag: main