diff --git a/src/calibre/gui2/progress_indicator/__init__.py b/src/calibre/gui2/progress_indicator/__init__.py
index 24c797bec2..e57d221cc2 100644
--- a/src/calibre/gui2/progress_indicator/__init__.py
+++ b/src/calibre/gui2/progress_indicator/__init__.py
@@ -4,35 +4,10 @@
 from qt.core import QDialog, QLabel, QObject, QSizePolicy, QStackedLayout, QStackedWidget, Qt, QVBoxLayout, QWidget, pyqtSignal
 
 from calibre_extensions.progress_indicator import QProgressIndicator as ProgressIndicator
-from calibre_extensions.progress_indicator import draw_snake_spinner
+from calibre_extensions.progress_indicator import SpinAnimator, draw_snake_spinner
 
 draw_snake_spinner
 
-try:
-    from calibre_extensions.progress_indicator import SpinAnimator
-except ImportError:
-    # dummy class for people running from source without updated binaries
-    class SpinAnimator(QObject):
-
-        updated = pyqtSignal()
-
-        def __init__(self, parent):
-            QObject.__init__(self, parent)
-            self.running = False
-
-        def draw(self, *a):
-            pass
-
-        def start(self):
-            self.running = True
-
-        def stop(self):
-            self.running = False
-
-        def is_running(self):
-            return self.running
-
-
 class WaitPanel(QWidget):
 
     def __init__(self, msg, parent=None, size=256, interval=10):
@@ -117,7 +92,6 @@ def develop():
     from qt.core import QPainter, QPalette
 
     from calibre.gui2 import Application
-    from calibre_extensions.progress_indicator import SpinAnimator
 
     class Widget(QWidget):