diff --git a/.gitignore b/.gitignore
index aef8db9736..c3ba120f37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@
 *.o
 *.so
 *.pyc
+*.pyo
+*.pyd
 
 # Packages #
 ############
diff --git a/gensim/downloader.py b/gensim/downloader.py
index a75a772503..300cbc2f61 100644
--- a/gensim/downloader.py
+++ b/gensim/downloader.py
@@ -443,7 +443,7 @@ def load(name, return_path=False):
     )
     parser = argparse.ArgumentParser(
         description="Gensim console API",
-        usage="python -m gensim.api.downloader  [-h] [-d data_name | -i data_name | -c]"
+        usage="python -m gensim.api.downloader  [-h] [-d data_name | -i data_name]"
     )
 
     group = parser.add_mutually_exclusive_group()