diff --git a/Makefile b/Makefile
index 4285087..66722cf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,9 @@
-all: prepare build cleanup
+all: prepare build
 
 prepare:
-	rm -rf dist/* tmp/*
+	rm -rf dist/*
 	find lifedrain -name __pycache__ -type d -exec rm -r {} +
-	mkdir -p dist tmp
+	mkdir -p dist
 
-build: build20 build21
-
-build20:
-	echo -n "import lifedrain" > tmp/lifedrain_loader.py
-	cp -r lifedrain tmp/lifedrain
-	(cd tmp && zip -r ../dist/lifedrain20.zip * -x "*.pyc")
-
-build21:
+build:
 	(cd lifedrain && zip -r ../dist/lifedrain21.zip * -x "*.pyc")
-
-cleanup:
-	rm -rf tmp/*
diff --git a/lifedrain/lifedrain.py b/lifedrain/lifedrain.py
index 43bdcf7..daedd77 100644
--- a/lifedrain/lifedrain.py
+++ b/lifedrain/lifedrain.py
@@ -59,15 +59,6 @@ def __init__(self, make_timer, mw, qt):
         self.deck_settings_ui = self._settings.deck_settings_ui
         self.custom_deck_settings_ui = self._settings.custom_deck_settings_ui
 
-        # Configure separator strip - Seems that it is not needed on Anki 2.1
-        css = 'QMainWindow::separator { width: 0px; height: 0px; }'
-        mw.setStyleSheet(css)
-        try:
-            import Night_Mode  # pylint: disable=import-error
-            Night_Mode.nm_css_menu += css
-        except Exception:  # nosec  # pylint: disable=broad-except
-            pass
-
     def preferences_load(self, pref):
         """Loads Life Drain global settings into the Global Settings dialog.
 
diff --git a/lifedrain/main.py b/lifedrain/main.py
index 99f6bc3..236e635 100644
--- a/lifedrain/main.py
+++ b/lifedrain/main.py
@@ -6,7 +6,7 @@
 from anki.collection import _Collection
 from anki.hooks import addHook, wrap
 from anki.sched import Scheduler
-from aqt import appVersion, forms, mw, qt
+from aqt import forms, mw, qt
 from aqt.deckconf import DeckConf
 from aqt.dyndeckconf import DeckConf as FiltDeckConf
 from aqt.editcurrent import EditCurrent
@@ -61,8 +61,7 @@ def setup_user_interface(lifedrain):
     # Filtered Deck Settings
     forms.dyndconf.Ui_Dialog.setupUi = wrap(
         forms.dyndconf.Ui_Dialog.setupUi,
-        lambda *args: lifedrain.custom_deck_settings_ui(
-            args[0], appVersion.startswith('2.1')))
+        lambda *args: lifedrain.custom_deck_settings_ui(args[0]))
     FiltDeckConf.loadConf = wrap(
         FiltDeckConf.loadConf,
         lambda *args: lifedrain.deck_settings_load(args[0]))
@@ -77,16 +76,9 @@ def setup_shortcuts(lifedrain):
     Args:
         lifedrain: A Lifedrain instance.
     """
-    if appVersion.startswith('2.0'):
-        Reviewer._keyHandler = wrap(  # pylint: disable=protected-access
-            Reviewer._keyHandler,  # pylint: disable=protected-access
-            lambda self, evt, _old: lifedrain.toggle_drain()
-            if evt.text() == 'p' else _old(self, evt),
-            'around')
-    elif appVersion.startswith('2.1'):
-        toggle_drain_shortcut = tuple(['p', lifedrain.toggle_drain])
-        addHook('reviewStateShortcuts',
-                lambda shortcuts: shortcuts.append(toggle_drain_shortcut))
+    toggle_drain_shortcut = tuple(['p', lifedrain.toggle_drain])
+    addHook('reviewStateShortcuts',
+            lambda shortcuts: shortcuts.append(toggle_drain_shortcut))
 
 
 def setup_hooks(lifedrain):
diff --git a/lifedrain/settings.py b/lifedrain/settings.py
index 0e8d82e..98d1306 100644
--- a/lifedrain/settings.py
+++ b/lifedrain/settings.py
@@ -77,7 +77,7 @@ def deck_settings_ui(self, form):
         self._fill_remaining_space()
         form.tabWidget.addTab(form.lifedrain_widget, 'Life Drain')
 
-    def custom_deck_settings_ui(self, form, is_anki21):
+    def custom_deck_settings_ui(self, form):
         """Adds Life Drain settings to Filtered Deck Settings dialog.
 
         Args:
@@ -94,8 +94,7 @@ def custom_deck_settings_ui(self, form, is_anki21):
         self._create_check_box('enableDamageInput', 'Enable damage')
         self._create_spin_box('damageInput', 'Damage', [-1000, 1000])
         self._create_spin_box('currentValueInput', 'Current life', [0, 10000])
-        index = 3 if is_anki21 else 2
-        form.verticalLayout.insertWidget(index, form.lifedrain_widget)
+        form.verticalLayout.insertWidget(3, form.lifedrain_widget)
 
     def preferences_load(self, pref):
         """Loads Life Drain global settings into the form.