diff --git a/core/7za.exe b/core/7za.exe
new file mode 100644
index 0000000..9544a63
Binary files /dev/null and b/core/7za.exe differ
diff --git a/core/7zas b/core/7zas
new file mode 100644
index 0000000..bb1af1d
Binary files /dev/null and b/core/7zas differ
diff --git a/core/7zdec b/core/7zdec
deleted file mode 100644
index 752aa4c..0000000
Binary files a/core/7zdec and /dev/null differ
diff --git a/core/7zdec.exe b/core/7zdec.exe
deleted file mode 100644
index cd0f296..0000000
Binary files a/core/7zdec.exe and /dev/null differ
diff --git a/package.json b/package.json
index 46611de..1756a23 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,5 @@
     "lowdb": "^1.0.0"
   },
   "devDependencies": {
-    "node-windows": "^1.0.0-beta.5",
-    "nodemon": "^2.0.4"
   }
 }