diff --git a/tests/rules/test_ssh_known_host.py b/tests/rules/test_ssh_known_host.py
index 8875bd44..ed414bc1 100644
--- a/tests/rules/test_ssh_known_host.py
+++ b/tests/rules/test_ssh_known_host.py
@@ -2,7 +2,7 @@ import os
 import pytest
 from mock import Mock
 from thefuck.rules.ssh_known_hosts import match, get_new_command,\
-    remove_offending_keys
+    side_effect
 from tests.utils import Command
 
 
@@ -53,18 +53,14 @@ def test_match(ssh_error):
     assert not match(Command('ssh'), None)
 
 
-def test_remove_offending_keys(ssh_error):
+def test_side_effect(ssh_error):
     errormsg, path, reset, known_hosts = ssh_error
     command = Command('ssh user@host', stderr=errormsg)
-    remove_offending_keys(command, None)
+    side_effect(command, None)
     expected = ['123.234.567.890 asdjkasjdakjsd\n', '111.222.333.444 qwepoiwqepoiss\n']
     assert known_hosts(path) == expected
 
 
 def test_get_new_command(ssh_error, monkeypatch):
     errormsg, _, _, _ = ssh_error
-
-    method = Mock()
-    monkeypatch.setattr('thefuck.rules.ssh_known_hosts.remove_offending_keys', method)
     assert get_new_command(Command('ssh user@host', stderr=errormsg), None) == 'ssh user@host'
-    assert method.call_count
diff --git a/thefuck/rules/ssh_known_hosts.py b/thefuck/rules/ssh_known_hosts.py
index ab73c422..4e889696 100644
--- a/thefuck/rules/ssh_known_hosts.py
+++ b/thefuck/rules/ssh_known_hosts.py
@@ -22,7 +22,11 @@ def match(command, settings):
     return True
 
 
-def remove_offending_keys(command, settings):
+def get_new_command(command, settings):
+    return command.script
+
+
+def side_effect(command, settings):
     offending = offending_pattern.findall(command.stderr)
     for filepath, lineno in offending:
         with open(filepath, 'r') as fh:
@@ -30,8 +34,3 @@ def remove_offending_keys(command, settings):
             del lines[int(lineno) - 1]
         with open(filepath, 'w') as fh:
             fh.writelines(lines)
-
-
-def get_new_command(command, settings):
-    remove_offending_keys(command, settings)
-    return command.script