diff --git a/charts/openarchiefbeheer/CHANGELOG.md b/charts/openarchiefbeheer/CHANGELOG.md
index fe63092..dcbc16f 100644
--- a/charts/openarchiefbeheer/CHANGELOG.md
+++ b/charts/openarchiefbeheer/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.3.1 (2025-02-19)
+
+- [#189] Fix duplicate environment variables in config map.
+
 ## 1.3.0 (2025-01-27)
 
 - Add settings for request retry. This should help reduce the failures when resyncing zaken with openzaak.
diff --git a/charts/openarchiefbeheer/Chart.yaml b/charts/openarchiefbeheer/Chart.yaml
index a2b3b0f..5a233cd 100644
--- a/charts/openarchiefbeheer/Chart.yaml
+++ b/charts/openarchiefbeheer/Chart.yaml
@@ -3,7 +3,7 @@ name: openarchiefbeheer
 description: Opstellen, beheren en uitvoeren van vernietigingslijsten, voor gebruik met Zaakgericht werken
 
 type: application
-version: 1.3.0
+version: 1.3.1
 appVersion: latest
 
 dependencies:
diff --git a/charts/openarchiefbeheer/README.md b/charts/openarchiefbeheer/README.md
index e486afc..5592602 100644
--- a/charts/openarchiefbeheer/README.md
+++ b/charts/openarchiefbeheer/README.md
@@ -1,6 +1,6 @@
 # openarchiefbeheer
 
-![Version: 1.3.0](https://img.shields.io/badge/Version-1.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: latest](https://img.shields.io/badge/AppVersion-latest-informational?style=flat-square)
+![Version: 1.3.1](https://img.shields.io/badge/Version-1.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: latest](https://img.shields.io/badge/AppVersion-latest-informational?style=flat-square)
 
 Opstellen, beheren en uitvoeren van vernietigingslijsten, voor gebruik met Zaakgericht werken
 
diff --git a/charts/openarchiefbeheer/templates/configmap.yaml b/charts/openarchiefbeheer/templates/configmap.yaml
index 83b3f63..fdfe11a 100644
--- a/charts/openarchiefbeheer/templates/configmap.yaml
+++ b/charts/openarchiefbeheer/templates/configmap.yaml
@@ -92,13 +92,6 @@ data:
     {{- if .Values.settings.csrf.trustedOrigins }}
   CSRF_TRUSTED_ORIGINS: "{{ .Values.settings.csrf.trustedOrigins }}"
   {{- end }}
-  {{- if .Values.tags.redis }}
-  CACHE_DEFAULT: {{ printf "%s-master.%s:6379/0" (include "common.names.fullname" .Subcharts.redis) .Release.Namespace | toString | quote }}
-  CACHE_AXES: {{ printf "%s-master.%s:6379/0" (include "common.names.fullname" .Subcharts.redis) .Release.Namespace | toString | quote }}
-  {{- else }}
-  CACHE_DEFAULT: {{ .Values.settings.cache.default | toString | quote }}
-  CACHE_AXES: {{ .Values.settings.cache.axes | toString | quote }}
-  {{- end }}
   {{- if .Values.settings.requestsReadTimeout }}
   REQUESTS_READ_TIMEOUT: {{ .Values.settings.requestsReadTimeout | toString | quote }}
   {{- end }}