diff --git a/dev b/dev
index 17d017cc1..6294fa1e5 100755
--- a/dev
+++ b/dev
@@ -98,11 +98,9 @@ def main():
         run("yarn workspace @mintter/ui generate")
         run("plz build //backend:mintterd //:yarn")
 
-        testnet_var = "MINTTER_P2P_TESTNET_NAME"
-        if testnet_var not in os.environ:
-            os.environ[testnet_var] = "dev"
+        os.environ.pop("MINTTER_P2P_TESTNET_NAME", None)
 
-        return run("MINTTER_P2P_TESTNET_NAME='' yarn desktop", args=args)
+        return run("yarn desktop", args=args)
 
     @cmd(cmds, "build-desktop", "Builds the desktop app for the current platform.")
     def build_desktop(args):