diff --git a/src/main/java/run/halo/app/controller/admin/api/AdminController.java b/src/main/java/run/halo/app/controller/admin/api/AdminController.java
index c3b99acfd..3f4a9413c 100644
--- a/src/main/java/run/halo/app/controller/admin/api/AdminController.java
+++ b/src/main/java/run/halo/app/controller/admin/api/AdminController.java
@@ -6,7 +6,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 import run.halo.app.annotation.DisableOnCondition;
 import run.halo.app.cache.lock.CacheLock;
-import run.halo.app.exception.BadRequestException;
 import run.halo.app.model.dto.EnvironmentDTO;
 import run.halo.app.model.dto.LoginPreCheckDTO;
 import run.halo.app.model.dto.StatisticDTO;
@@ -114,28 +113,6 @@ public class AdminController {
         adminService.updateAdminAssets();
     }
 
-    @GetMapping("spring/application.yaml")
-    @ApiOperation("Gets application config content")
-    @DisableOnCondition
-    public BaseResponse<String> getSpringApplicationConfig() {
-        return BaseResponse.ok(HttpStatus.OK.getReasonPhrase(), adminService.getApplicationConfig());
-    }
-
-    @PutMapping("spring/application.yaml")
-    @ApiOperation("Updates application config content")
-    @DisableOnCondition
-    public void updateSpringApplicationConfig(@RequestParam(name = "content") String content) {
-        adminService.updateApplicationConfig(content);
-    }
-
-    @PostMapping(value = {"halo/restart", "spring/restart"})
-    @ApiOperation("Restarts halo server")
-    @DisableOnCondition
-    @Deprecated
-    public void restartApplication() {
-        throw new BadRequestException("此前的重启方案存在性能问题，故暂不支持重启功能！");
-    }
-
     @GetMapping(value = "halo/logfile")
     @ApiOperation("Gets halo log file content")
     @DisableOnCondition
diff --git a/src/main/java/run/halo/app/service/AdminService.java b/src/main/java/run/halo/app/service/AdminService.java
index 03d95ba42..df0dc85cb 100644
--- a/src/main/java/run/halo/app/service/AdminService.java
+++ b/src/main/java/run/halo/app/service/AdminService.java
@@ -25,8 +25,6 @@ public interface AdminService {
 
     int REFRESH_TOKEN_EXPIRED_DAYS = 30;
 
-    String APPLICATION_CONFIG_NAME = "application.yaml";
-
     String LOG_PATH = "logs/spring.log";
 
     /**
@@ -97,20 +95,6 @@ public interface AdminService {
      */
     void updateAdminAssets();
 
-    /**
-     * Get application.yaml content.
-     *
-     * @return application.yaml content
-     */
-    String getApplicationConfig();
-
-    /**
-     * Save application.yaml content.
-     *
-     * @param content new content
-     */
-    void updateApplicationConfig(@NonNull String content);
-
     /**
      * Get halo logs content.
      *
diff --git a/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java b/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
index 33a160aa7..72aa4509b 100644
--- a/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
+++ b/src/main/java/run/halo/app/service/impl/AdminServiceImpl.java
@@ -1,6 +1,5 @@
 package run.halo.app.service.impl;
 
-import cn.hutool.core.io.file.FileReader;
 import cn.hutool.core.lang.Validator;
 import cn.hutool.core.util.RandomUtil;
 import cn.hutool.core.util.StrUtil;
@@ -45,7 +44,6 @@ import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.lang.management.ManagementFactory;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
@@ -460,28 +458,6 @@ public class AdminServiceImpl implements AdminService {
         return token;
     }
 
-    @Override
-    public String getApplicationConfig() {
-        File file = new File(haloProperties.getWorkDir(), APPLICATION_CONFIG_NAME);
-        if (!file.exists()) {
-            return StringUtils.EMPTY;
-        }
-        FileReader reader = new FileReader(file);
-        return reader.readString();
-    }
-
-    @Override
-    public void updateApplicationConfig(@NonNull String content) {
-        Assert.notNull(content, "Content must not be null");
-
-        Path path = Paths.get(haloProperties.getWorkDir(), APPLICATION_CONFIG_NAME);
-        try {
-            Files.write(path, content.getBytes(StandardCharsets.UTF_8));
-        } catch (IOException e) {
-            throw new ServiceException("保存配置文件失败", e);
-        }
-    }
-
     @Override
     public String getLogFiles(@NonNull Long lines) {
         Assert.notNull(lines, "Lines must not be null");