diff --git a/config-templates/complex-mini.yaml b/config-templates/complex-mini.yaml
index fb78a37115bb..916cd3b125d3 100644
--- a/config-templates/complex-mini.yaml
+++ b/config-templates/complex-mini.yaml
@@ -21,7 +21,7 @@ monitored:
 # # - PD: https://docs.pingcap.com/zh/tidb/stable/pd-configuration-file
 # # All configuration items use points to represent the hierarchy, e.g:
 # #   readpool.storage.use-unified-pool
-# #      
+# #
 # # You can overwrite this configuration via the instance-level `config` field.
 
 server_configs:
@@ -72,7 +72,6 @@ tidb_servers:
     # config:
     #   log.slow-query-file: tidb-slow-overwrited.log
   - host: 10.0.1.2
-  - host: 10.0.1.3
 
 tikv_servers:
   - host: 10.0.1.7
diff --git a/config-templates/simple-mini.yaml b/config-templates/simple-mini.yaml
index 57e48fd2d741..df7a90653c68 100644
--- a/config-templates/simple-mini.yaml
+++ b/config-templates/simple-mini.yaml
@@ -14,7 +14,6 @@ pd_servers:
 tidb_servers:
   - host: 10.0.1.1
   - host: 10.0.1.2
-  - host: 10.0.1.3
 
 tikv_servers:
   - host: 10.0.1.7
diff --git a/minimal-deployment-topology.md b/minimal-deployment-topology.md
index 5b5fbf6e1834..36ac80974219 100644
--- a/minimal-deployment-topology.md
+++ b/minimal-deployment-topology.md
@@ -12,7 +12,7 @@ aliases: ['/docs-cn/dev/minimal-deployment-topology/']
 
 |实例 | 个数 | 物理机配置 | IP |配置 |
 | :-- | :-- | :-- | :-- | :-- |
-| TiDB |3 | 16 VCore 32GB * 1 | 10.0.1.1 <br/> 10.0.1.2 <br/> 10.0.1.3 | 默认端口 <br/>  全局目录配置 |
+| TiDB |2 | 16 VCore 32GB * 1 | 10.0.1.1 <br/> 10.0.1.2 | 默认端口 <br/>  全局目录配置 |
 | PD | 3 | 4 VCore 8GB * 1 |10.0.1.4 <br/> 10.0.1.5 <br/> 10.0.1.6 | 默认端口 <br/> 全局目录配置 |
 | TiKV | 3 | 16 VCore 32GB 2TB (nvme ssd) * 1 | 10.0.1.7 <br/> 10.0.1.8 <br/> 10.0.1.9 | 默认端口 <br/> 全局目录配置 |
 | Monitoring & Grafana | 1 | 4 VCore 8GB * 1 500GB (ssd) | 10.0.1.10 | 默认端口 <br/> 全局目录配置 |