diff --git a/nw/gui/build.py b/nw/gui/build.py
index 4fc0e42d..bb800c28 100644
--- a/nw/gui/build.py
+++ b/nw/gui/build.py
@@ -40,7 +40,7 @@ from PyQt5.QtGui import (
 )
 from PyQt5.QtWidgets import (
     QDialog, QVBoxLayout, QHBoxLayout, QTextBrowser, QPushButton, QLabel,
-    QLineEdit, QGroupBox, QGridLayout, QProgressBar, QMenu, QAction, QFrame,
+    QLineEdit, QGroupBox, QGridLayout, QProgressBar, QMenu, QAction,
     QFileDialog, QFontDialog, QSpinBox
 )