diff --git a/Makefile b/Makefile
index fb436b1ca893..6dedea12cc0f 100644
--- a/Makefile
+++ b/Makefile
@@ -131,7 +131,7 @@ TEST_TAGS ?= sqlite sqlite_unlock_notify
 
 TAR_EXCLUDES := .git data indexers queues log node_modules $(EXECUTABLE) $(FOMANTIC_WORK_DIR)/node_modules $(DIST) $(MAKE_EVIDENCE_DIR) $(AIR_TMP_DIR) $(GO_LICENSE_TMP_DIR)
 
-GO_DIRS := cmd tests models modules routers build services tools
+GO_DIRS := build cmd models modules routers services tests
 WEB_DIRS := web_src/js web_src/css
 
 GO_SOURCES := $(wildcard *.go)
@@ -219,7 +219,6 @@ help:
 	@echo " - tidy                             run go mod tidy"
 	@echo " - test[\#TestSpecificName]    	    run unit test"
 	@echo " - test-sqlite[\#TestSpecificName]  run integration test for sqlite"
-	@echo " - pr#<index>                       build and start gitea from a PR with integration test data loaded"
 
 .PHONY: go-check
 go-check:
@@ -353,7 +352,7 @@ lint-backend: golangci-lint vet editorconfig-checker
 
 .PHONY: watch
 watch:
-	bash tools/watch.sh
+	bash build/watch.sh
 
 .PHONY: watch-frontend
 watch-frontend: node-check node_modules
@@ -939,10 +938,6 @@ generate-manpage:
 	@gzip -9 man/man1/gitea.1 && echo man/man1/gitea.1.gz created
 	@#TODO A small script that formats config-cheat-sheet.en-us.md nicely for use as a config man page
 
-.PHONY: pr\#%
-pr\#%: clean-all
-	$(GO) run contrib/pr/checkout.go $*
-
 .PHONY: golangci-lint
 golangci-lint:
 	$(GO) run $(GOLANGCI_LINT_PACKAGE) run
diff --git a/build/backport-locales.go b/build/backport-locales.go
index efaae52bd4ae..9421b6925e44 100644
--- a/build/backport-locales.go
+++ b/build/backport-locales.go
@@ -1,3 +1,6 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
 //go:build ignore
 
 package main
diff --git a/build/code-batch-process.go b/build/code-batch-process.go
index 9cc47442b225..8556c27ad737 100644
--- a/build/code-batch-process.go
+++ b/build/code-batch-process.go
@@ -65,7 +65,6 @@ func newFileCollector(fileFilter string, batchSize int) (*fileCollector, error)
 			"modules",
 			"routers",
 			"services",
-			"tools",
 		}
 		co.includePatterns = append(co.includePatterns, regexp.MustCompile(`.*\.go$`))
 
diff --git a/build/test-echo.go b/build/test-echo.go
new file mode 100644
index 000000000000..093364fcf821
--- /dev/null
+++ b/build/test-echo.go
@@ -0,0 +1,20 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+)
+
+func main() {
+	_, err := io.Copy(os.Stdout, os.Stdin)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v", err)
+		os.Exit(1)
+	}
+}
diff --git a/tools/watch.sh b/build/watch.sh
similarity index 100%
rename from tools/watch.sh
rename to build/watch.sh
diff --git a/contrib/autoboot.sh b/contrib/autoboot.sh
deleted file mode 100755
index eb16d58170f5..000000000000
--- a/contrib/autoboot.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-su git -c "/home/git/gogs/scripts/gogs_supervisord.sh restart"
diff --git a/contrib/mysql.sql b/contrib/mysql.sql
deleted file mode 100644
index aad8beddfa72..000000000000
--- a/contrib/mysql.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-DROP DATABASE IF EXISTS gitea;
-CREATE DATABASE IF NOT EXISTS gitea CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
diff --git a/contrib/pr/checkout.go b/contrib/pr/checkout.go
deleted file mode 100644
index f12d8a94199b..000000000000
--- a/contrib/pr/checkout.go
+++ /dev/null
@@ -1,267 +0,0 @@
-// Copyright 2020 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package main
-
-/*
-Checkout a PR and load the tests data into sqlite database
-*/
-
-import (
-	"context"
-	"flag"
-	"fmt"
-	"log"
-	"net/http"
-	"os"
-	"os/exec"
-	"os/user"
-	"path"
-	"path/filepath"
-	"runtime"
-	"strconv"
-	"time"
-
-	"code.gitea.io/gitea/models/db"
-	"code.gitea.io/gitea/models/unittest"
-	gitea_git "code.gitea.io/gitea/modules/git"
-	"code.gitea.io/gitea/modules/graceful"
-	"code.gitea.io/gitea/modules/markup"
-	"code.gitea.io/gitea/modules/markup/external"
-	repo_module "code.gitea.io/gitea/modules/repository"
-	"code.gitea.io/gitea/modules/setting"
-	"code.gitea.io/gitea/modules/util"
-	"code.gitea.io/gitea/routers"
-	markup_service "code.gitea.io/gitea/services/markup"
-
-	"github.com/go-git/go-git/v5"
-	"github.com/go-git/go-git/v5/config"
-	"github.com/go-git/go-git/v5/plumbing"
-	"xorm.io/xorm"
-)
-
-var codeFilePath = "contrib/pr/checkout.go"
-
-func runPR() {
-	log.Printf("[PR] Starting gitea ...\n")
-	curDir, err := os.Getwd()
-	if err != nil {
-		log.Fatal(err)
-	}
-	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAllowEmpty()
-	setting.LoadCommonSettings()
-
-	setting.RepoRootPath, err = os.MkdirTemp(os.TempDir(), "repos")
-	if err != nil {
-		log.Fatalf("TempDir: %v\n", err)
-	}
-	setting.AppDataPath, err = os.MkdirTemp(os.TempDir(), "appdata")
-	if err != nil {
-		log.Fatalf("TempDir: %v\n", err)
-	}
-	setting.AppWorkPath = curDir
-	setting.StaticRootPath = curDir
-	setting.GravatarSource = "https://secure.gravatar.com/avatar/"
-	setting.AppURL = "http://localhost:8080/"
-	setting.HTTPPort = "8080"
-	setting.SSH.Domain = "localhost"
-	setting.SSH.Port = 3000
-	setting.InstallLock = true
-	setting.SecretKey = "9pCviYTWSb"
-	setting.InternalToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTI3OTU5ODN9.OQkH5UmzID2XBdwQ9TAI6Jj2t1X-wElVTjbE7aoN4I8"
-	curUser, err := user.Current()
-	if err != nil {
-		log.Fatal(err)
-	}
-	setting.RunUser = curUser.Username
-
-	log.Printf("[PR] Loading fixtures data ...\n")
-	//models.LoadConfigs()
-	/*
-		setting.Database.Type = "sqlite3"
-		setting.Database.Path = ":memory:"
-		setting.Database.Timeout = 500
-	*/
-	dbCfg := setting.CfgProvider.Section("database")
-	dbCfg.NewKey("DB_TYPE", "sqlite3")
-	dbCfg.NewKey("PATH", ":memory:")
-
-	routers.InitGitServices()
-	setting.Database.LogSQL = true
-	// x, err = xorm.NewEngine("sqlite3", "file::memory:?cache=shared")
-
-	db.InitEngineWithMigration(context.Background(), func(_ *xorm.Engine) error {
-		return nil
-	})
-	db.HasEngine = true
-	// x.ShowSQL(true)
-	err = unittest.InitFixtures(
-		unittest.FixturesOptions{
-			Dir: path.Join(curDir, "models/fixtures/"),
-		},
-	)
-	if err != nil {
-		fmt.Printf("Error initializing test database: %v\n", err)
-		os.Exit(1)
-	}
-	unittest.LoadFixtures()
-	util.RemoveAll(setting.RepoRootPath)
-	util.RemoveAll(repo_module.LocalCopyPath())
-	unittest.CopyDir(path.Join(curDir, "tests/gitea-repositories-meta"), setting.RepoRootPath)
-
-	log.Printf("[PR] Setting up router\n")
-	// routers.GlobalInit()
-	external.RegisterRenderers()
-	markup.Init(markup_service.ProcessorHelper())
-	c := routers.NormalRoutes(graceful.GetManager().HammerContext())
-
-	log.Printf("[PR] Ready for testing !\n")
-	log.Printf("[PR] Login with user1, user2, user3, ... with pass: password\n")
-	/*
-		log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
-
-		if setting.LFS.StartServer {
-			log.Info("LFS server enabled")
-		}
-
-		if setting.EnablePprof {
-			go func() {
-				log.Info("Starting pprof server on localhost:6060")
-				log.Info("%v", http.ListenAndServe("localhost:6060", nil))
-			}()
-		}
-	*/
-
-	// Start the server
-	http.ListenAndServe(":8080", c)
-
-	log.Printf("[PR] Cleaning up ...\n")
-	/*
-		if err = util.RemoveAll(setting.Indexer.IssuePath); err != nil {
-			fmt.Printf("util.RemoveAll: %v\n", err)
-			os.Exit(1)
-		}
-		if err = util.RemoveAll(setting.Indexer.RepoPath); err != nil {
-			fmt.Printf("Unable to remove repo indexer: %v\n", err)
-			os.Exit(1)
-		}
-	*/
-	if err = util.RemoveAll(setting.RepoRootPath); err != nil {
-		log.Fatalf("util.RemoveAll: %v\n", err)
-	}
-	if err = util.RemoveAll(setting.AppDataPath); err != nil {
-		log.Fatalf("util.RemoveAll: %v\n", err)
-	}
-}
-
-func main() {
-	runPRFlag := flag.Bool("run", false, "Run the PR code")
-	flag.Parse()
-	if *runPRFlag {
-		runPR()
-		return
-	}
-
-	// To force checkout (e.g. Windows complains about unclean work tree) set env variable FORCE=true
-	force, err := strconv.ParseBool(os.Getenv("FORCE"))
-	if err != nil {
-		force = false
-	}
-
-	// Otherwise checkout PR
-	if len(os.Args) != 2 {
-		log.Fatal("Need only one arg: the PR number")
-	}
-	pr := os.Args[1]
-
-	codeFilePath = filepath.FromSlash(codeFilePath) // Convert to running OS
-
-	// Copy this file if it will not exist in the PR branch
-	dat, err := os.ReadFile(codeFilePath)
-	if err != nil {
-		log.Fatalf("Failed to cache this code file : %v", err)
-	}
-
-	repo, err := git.PlainOpen(".")
-	if err != nil {
-		log.Fatalf("Failed to open the repo : %v", err)
-	}
-
-	// Find remote upstream
-	remotes, err := repo.Remotes()
-	if err != nil {
-		log.Fatalf("Failed to list remotes of repo : %v", err)
-	}
-	remoteUpstream := "origin" // Default
-	for _, r := range remotes {
-		if r.Config().URLs[0] == "https://github.com/go-gitea/gitea.git" ||
-			r.Config().URLs[0] == "https://github.com/go-gitea/gitea" ||
-			r.Config().URLs[0] == "git@github.com:go-gitea/gitea.git" { // fetch at index 0
-			remoteUpstream = r.Config().Name
-			break
-		}
-	}
-
-	branch := fmt.Sprintf("pr-%s-%d", pr, time.Now().Unix())
-	branchRef := plumbing.NewBranchReferenceName(branch)
-
-	log.Printf("Fetching PR #%s in %s\n", pr, branch)
-	if runtime.GOOS == "windows" {
-		// Use git cli command for windows
-		runCmd("git", "fetch", remoteUpstream, fmt.Sprintf("pull/%s/head:%s", pr, branch))
-	} else {
-		ref := fmt.Sprintf("%s%s/head:%s", gitea_git.PullPrefix, pr, branchRef)
-		err = repo.Fetch(&git.FetchOptions{
-			RemoteName: remoteUpstream,
-			RefSpecs: []config.RefSpec{
-				config.RefSpec(ref),
-			},
-		})
-		if err != nil {
-			log.Fatalf("Failed to fetch %s from %s : %v", ref, remoteUpstream, err)
-		}
-	}
-
-	tree, err := repo.Worktree()
-	if err != nil {
-		log.Fatalf("Failed to parse git tree : %v", err)
-	}
-	log.Printf("Checkout PR #%s in %s\n", pr, branch)
-	err = tree.Checkout(&git.CheckoutOptions{
-		Branch: branchRef,
-		Force:  force,
-	})
-	if err != nil {
-		log.Fatalf("Failed to checkout %s : %v", branch, err)
-	}
-
-	// Copy this file if not exist
-	if _, err := os.Stat(codeFilePath); os.IsNotExist(err) {
-		err = os.MkdirAll(filepath.Dir(codeFilePath), 0o755)
-		if err != nil {
-			log.Fatalf("Failed to duplicate this code file in PR : %v", err)
-		}
-		err = os.WriteFile(codeFilePath, dat, 0o644)
-		if err != nil {
-			log.Fatalf("Failed to duplicate this code file in PR : %v", err)
-		}
-	}
-	// Force build of js, css, bin, ...
-	runCmd("make", "build")
-	// Start with integration test
-	runCmd("go", "run", "-mod", "vendor", "-tags", "sqlite sqlite_unlock_notify", codeFilePath, "-run")
-}
-
-func runCmd(cmd ...string) {
-	log.Printf("Executing : %s ...\n", cmd)
-	c := exec.Command(cmd[0], cmd[1:]...)
-	c.Stdout = os.Stdout
-	c.Stderr = os.Stderr
-	if err := c.Start(); err != nil {
-		log.Panicln(err)
-	}
-	if err := c.Wait(); err != nil {
-		log.Panicln(err)
-	}
-}
diff --git a/tests/sqlite.ini.tmpl b/tests/sqlite.ini.tmpl
index f6f8c70ed990..d2e4a2d5ae5f 100644
--- a/tests/sqlite.ini.tmpl
+++ b/tests/sqlite.ini.tmpl
@@ -111,6 +111,6 @@ ENABLED = true
 [markup.html]
 ENABLED = true
 FILE_EXTENSIONS = .html
-RENDER_COMMAND = `go run tools/external_renderer.go`
+RENDER_COMMAND = `go run build/test-echo.go`
 IS_INPUT_FILE = false
 RENDER_CONTENT_MODE=sanitized
diff --git a/tools/external_renderer.go b/tools/external_renderer.go
deleted file mode 100644
index c1fcc78f50b9..000000000000
--- a/tools/external_renderer.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2017 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-// gobuild: external_renderer
-
-package main
-
-import (
-	"fmt"
-	"io"
-	"os"
-)
-
-func main() {
-	if len(os.Args) > 1 {
-		fmt.Print(os.Args[1])
-	} else {
-		_, err := io.Copy(os.Stdout, os.Stdin)
-		if err != nil {
-			fmt.Println(err)
-		}
-	}
-}