diff --git a/abogen/book_handler.py b/abogen/book_handler.py
index f4e7c43..4cb49a7 100644
--- a/abogen/book_handler.py
+++ b/abogen/book_handler.py
@@ -4,9 +4,8 @@ import base64
 import fitz  # PyMuPDF for PDF support
 from ebooklib import epub
 from bs4 import BeautifulSoup, NavigableString
-from PyQt6.QtGui import QAction, QMovie, QFont
+from PyQt6.QtGui import QMovie
 from PyQt6.QtWidgets import (
-    QApplication,
     QDialog,
     QTreeWidget,
     QTreeWidgetItem,
@@ -26,11 +25,7 @@ from PyQt6.QtCore import (
     Qt,
     QThread,
     pyqtSignal,
-    QObject,
     QSize,
-    QEvent,
-    QPoint,
-    QRect,
 )
 from abogen.utils import (
     clean_text,
@@ -1959,7 +1954,9 @@ class HandlerDialog(QDialog):
             title = current.text(0)
             self.previewEdit.setPlainText(f"{title}\n\n(This item is empty)")
         else:
-            self.previewEdit.setPlainText(text)
+            # Apply clean_text to preview so replace_single_newlines setting is respected
+            cleaned_text = clean_text(text)
+            self.previewEdit.setPlainText(cleaned_text)
 
     def _display_book_info(self):
         self.previewEdit.clear()
diff --git a/abogen/gui.py b/abogen/gui.py
index 3d979a4..bf7b54c 100644
--- a/abogen/gui.py
+++ b/abogen/gui.py
@@ -10,7 +10,6 @@ import abogen.hf_tracker as hf_tracker
 import hashlib  # Added for cache path generation
 from PyQt6.QtWidgets import (
     QApplication,
-    QMainWindow,
     QWidget,
     QVBoxLayout,
     QHBoxLayout,
diff --git a/abogen/main.py b/abogen/main.py
index 1b3c1ff..6495051 100644
--- a/abogen/main.py
+++ b/abogen/main.py
@@ -1,4 +1,3 @@
-from json import load
 import os
 import sys
 import platform
@@ -40,11 +39,8 @@ if platform.system() == "Windows":
 from PyQt6.QtWidgets import QApplication
 from PyQt6.QtGui import QIcon
 from PyQt6.QtCore import (
-    Qt,
     QLibraryInfo,
     qInstallMessageHandler,
-    QStandardPaths,
-    QSettings,
     QtMsgType,
 )