diff --git a/qutebrowser/browser/browsertab.py b/qutebrowser/browser/browsertab.py
index 21c0a080e..aa7025edf 100644
--- a/qutebrowser/browser/browsertab.py
+++ b/qutebrowser/browser/browsertab.py
@@ -21,7 +21,7 @@
 
 import itertools
 
-from PyQt5.QtCore import pyqtSignal, pyqtSlot, QUrl, QObject, QSizeF
+from PyQt5.QtCore import pyqtSignal, pyqtSlot, QUrl, QObject, QSizeF, Qt
 from PyQt5.QtGui import QIcon
 from PyQt5.QtWidgets import QWidget, QApplication
 
@@ -743,6 +743,10 @@ class AbstractTab(QWidget):
     def clear_ssl_errors(self):
         raise NotImplementedError
 
+    def key_press(self, key, modifier=Qt.NoModifier):
+        """Send a fake key event to this tab."""
+        raise NotImplementedError
+
     def dump_async(self, callback, *, plain=False):
         """Dump the current page to a file ascync.
 
diff --git a/qutebrowser/browser/webengine/webenginetab.py b/qutebrowser/browser/webengine/webenginetab.py
index bc7a5bf35..c97035c0b 100644
--- a/qutebrowser/browser/webengine/webenginetab.py
+++ b/qutebrowser/browser/webengine/webenginetab.py
@@ -647,7 +647,6 @@ class WebEngineTab(browsertab.AbstractTab):
         raise browsertab.UnsupportedOperationError
 
     def key_press(self, key, modifier=Qt.NoModifier):
-        """Send a fake key event to this WebKitTab."""
         press_evt = QKeyEvent(QEvent.KeyPress, key, modifier, 0, 0, 0)
         release_evt = QKeyEvent(QEvent.KeyRelease, key, modifier,
                                 0, 0, 0)
diff --git a/qutebrowser/browser/webkit/webkittab.py b/qutebrowser/browser/webkit/webkittab.py
index 0cf83e2a7..cf33098e0 100644
--- a/qutebrowser/browser/webkit/webkittab.py
+++ b/qutebrowser/browser/webkit/webkittab.py
@@ -696,7 +696,6 @@ class WebKitTab(browsertab.AbstractTab):
         self.networkaccessmanager().clear_all_ssl_errors()
 
     def key_press(self, key, modifier=Qt.NoModifier):
-        """Send a fake key event to this WebKitTab."""
         press_evt = QKeyEvent(QEvent.KeyPress, key, modifier, 0, 0, 0)
         release_evt = QKeyEvent(QEvent.KeyRelease, key, modifier,
                                 0, 0, 0)