diff --git a/.github/workflows/helm-test-open-webui.yml b/.github/workflows/helm-test-open-webui.yml
index 62a29b4..e603832 100644
--- a/.github/workflows/helm-test-open-webui.yml
+++ b/.github/workflows/helm-test-open-webui.yml
@@ -30,7 +30,6 @@ jobs:
           helm repo add open-webui https://helm.openwebui.com/
           helm repo add tika https://apache.jfrog.io/artifactory/tika/
           helm repo add redis https://charts.bitnami.com/bitnami
-          helm repo add milvus https://zilliztech.github.io/milvus-helm
       - name: Build open-webui Helm dependencies
         run: |
           helm dependency build ./charts/open-webui
diff --git a/charts/open-webui/Chart.lock b/charts/open-webui/Chart.lock
index f9b961d..663d667 100644
--- a/charts/open-webui/Chart.lock
+++ b/charts/open-webui/Chart.lock
@@ -11,8 +11,5 @@ dependencies:
 - name: redis
   repository: https://charts.bitnami.com/bitnami
   version: 20.10.0
-- name: milvus
-  repository: https://zilliztech.github.io/milvus-helm
-  version: 4.2.40
 digest: sha256:b9597e9cf5f89874a3c345562085ac3ba972b98ccf1b5e64425de0c17ec359f5
 generated: "2025-02-28T22:43:15.040921+09:00"
diff --git a/charts/open-webui/Chart.yaml b/charts/open-webui/Chart.yaml
index ca9dbdc..94d4934 100644
--- a/charts/open-webui/Chart.yaml
+++ b/charts/open-webui/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: open-webui
-version: 5.22.0
+version: 5.23.0
 appVersion: 0.5.16
 home: https://www.openwebui.com/
 icon: >-
@@ -43,7 +43,3 @@ dependencies:
     version: '>=20.6.2'
     alias: redis-cluster
     condition: redis-cluster.enabled
-  - name: milvus
-    repository: https://zilliztech.github.io/milvus-helm
-    version: '>=4.2.40'
-    condition: milvus.enabled
diff --git a/charts/open-webui/charts/milvus-4.2.40.tgz b/charts/open-webui/charts/milvus-4.2.40.tgz
deleted file mode 100644
index eafc4d0..0000000
Binary files a/charts/open-webui/charts/milvus-4.2.40.tgz and /dev/null differ
diff --git a/charts/open-webui/templates/workload-manager.yaml b/charts/open-webui/templates/workload-manager.yaml
index e5ea8f3..fe6290b 100644
--- a/charts/open-webui/templates/workload-manager.yaml
+++ b/charts/open-webui/templates/workload-manager.yaml
@@ -144,28 +144,6 @@ spec:
         - name: "ENABLE_OPENAI_API"
           value: "False"
         {{- end }}
-        {{- if .Values.rag.enabled }}
-        - name: "VECTOR_DB"
-          value: {{ .Values.rag.vectorDB | default "croma" | quote }}
-        {{- if and .Values.rag.enabled .Values.rag.embeddingEngine }}
-        - name: "RAG_EMBEDDING_ENGINE"
-          value: {{ .Values.rag.embeddingEngine | quote }}
-        {{- end }}
-        {{- if and .Values.rag.enabled .Values.rag.embeddingModel }}
-        - name: "RAG_EMBEDDING_MODEL"
-          value: {{ .Values.rag.embeddingModel | quote }}
-        {{- end }}
-        {{- end }}
-        {{- if .Values.milvus.enabled }}
-        - name: "MILVUS_URI"
-          value: {{ .Values.milvus.uri | default "${DATA_DIR}/vector_db/milvus.db" | quote }}
-        - name: "MILVUS_DB"
-          value: {{ .Values.milvus.db | default "default" | quote }}
-        {{- if and .Values.milvus.enabled .Values.milvus.token }}
-        - name: "MILVUS_TOKEN"
-          value: {{ .Values.milvus.token | quote }}
-        {{- end }}
-        {{- end }}
         {{- if .Values.extraEnvVars }}
           {{- toYaml .Values.extraEnvVars | nindent 8 }}
         {{- end }}
diff --git a/charts/open-webui/values.yaml b/charts/open-webui/values.yaml
index 0e7acdf..980256d 100644
--- a/charts/open-webui/values.yaml
+++ b/charts/open-webui/values.yaml
@@ -106,39 +106,6 @@ redis-cluster:
     # -- Number of Redis replica instances
     replicaCount: 3
 
-rag:
-  # -- Enable RAG
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#retrieval-augmented-generation-rag
-  enabled: false
-  # -- Vector database configuration
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#vector_db
-  vectorDB: ""
-  # -- Embedding engine to use for RAG with env `RAG_EMBEDDING_ENGINE`: ""(empty), "ollama", "openai"
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#rag_embedding_engine
-  embeddingEngine: ""
-  # -- Embedding model to use for RAG with env `RAG_EMBEDDING_MODEL`
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#rag_embedding_model
-  embeddingModel: ""
-
-milvus:
-  # -- Enable Milvus installation. Deploys a Milvus cluster/standalone with subchart 'milvus' from zilliztech
-  # ref: https://github.com/zilliztech/milvus-helm/tree/master/charts/milvus
-  enabled: false
-  # -- Milvus fullname override (recommended to be 'open-webui-milvus')
-  # - In this case, the Milvus uri will be 'http://[username:password@]open-webui-milvus:19530'
-  fullnameOverride: open-webui-milvus
-  # -- Active Milvus URI for RAG with env `MILVUS_URI`. If there is credentials in the uri, it will be used to connect to the Milvus server.
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#milvus_uri
-  uri: "http://open-webui-milvus:19530"
-  # -- Example `milvus.uri` with credentials (Not recommended for production. Use `env` with `secretKeyRef` instead)
-  # uri: "http://username:password@open-webui-milvus:19530"
-  # -- Active Milvus database for RAG with env `MILVUS_DB`
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#milvus_db
-  db: default
-  # -- Active Milvus token for RAG with env `MILVUS_TOKEN`
-  # ref: https://docs.openwebui.com/getting-started/env-configuration#milvus_token
-  token: {}
-
 # -- Value of cluster domain
 clusterDomain: cluster.local