diff --git a/utils/build_binary.py b/utils/build_binary.py
index 37dce983..1ffa4797 100644
--- a/utils/build_binary.py
+++ b/utils/build_binary.py
@@ -22,11 +22,11 @@ from __future__ import annotations
 
 import argparse
 
-import PyInstaller.__main__
-
 
 def runPyinstaller() -> None:
     """Run the pyinstaller."""
+    import PyInstaller.__main__
+
     build = ["novelWriter.py", "--clean", "--windowed", "--onedir", "--noconfirm"]
     build += ["--name", "novelwriter"]
     build += ["--workpath", "build_bin"]
@@ -34,6 +34,7 @@ def runPyinstaller() -> None:
     build += ["--hidden-import", "pyenchant"]
     build += ["--add-data", "novelwriter/assets:assets"]
     PyInstaller.__main__.run(build)
+
     return
 
 
diff --git a/utils/build_debian.py b/utils/build_debian.py
index f11dea72..e993cc7b 100644
--- a/utils/build_debian.py
+++ b/utils/build_debian.py
@@ -29,11 +29,9 @@ import sys
 
 from utils.common import (
     ROOT_DIR, SETUP_DIR, checkAssetsExist, copyPackageFiles, copySourceCode,
-    extractVersion, makeCheckSum, toUpload
+    extractVersion, makeCheckSum, toUpload, writeFile
 )
 
-from tests.tools import writeFile
-
 SIGN_KEY = "D6A9F6B8F227CF7C6F6D1EE84DBBE4B734B0BD08"
 
 
diff --git a/utils/build_windows.py b/utils/build_windows.py
index 0b568c50..b3538ad2 100644
--- a/utils/build_windows.py
+++ b/utils/build_windows.py
@@ -30,9 +30,7 @@ import zipfile
 
 from pathlib import Path
 
-from utils.common import ROOT_DIR, SETUP_DIR, copySourceCode, extractVersion, writeFile
-
-from tests.tools import readFile
+from utils.common import ROOT_DIR, SETUP_DIR, copySourceCode, extractVersion, readFile, writeFile
 
 
 def prepareCode(outDir: Path) -> None: