diff --git a/pytest_localserver/http.py b/pytest_localserver/http.py
index 3998ba2..270ec6f 100644
--- a/pytest_localserver/http.py
+++ b/pytest_localserver/http.py
@@ -5,7 +5,6 @@
 import enum
 import itertools
 import json
-import sys
 import threading
 
 from werkzeug.datastructures import Headers
@@ -161,29 +160,3 @@ def serve_content(self, content, code=200, headers=None, chunked=Chunked.NO, sto
         self.store_request_data = store_request_data
         if headers:
             self.headers = Headers(headers)
-
-
-if __name__ == "__main__":  # pragma: no cover
-    import os.path
-    import time
-
-    app = ContentServer()
-    server = WSGIServer(application=app)
-    server.start()
-
-    print("HTTP server is running at %s" % server.url)
-    print("Type <Ctrl-C> to stop")
-
-    try:
-        path = sys.argv[1]
-    except IndexError:
-        path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "README.rst")
-
-    app.serve_content(open(path).read(), 302)
-
-    try:
-        while True:
-            time.sleep(1)
-    except KeyboardInterrupt:
-        print("\rstopping...")
-    server.stop()
diff --git a/pytest_localserver/https.py b/pytest_localserver/https.py
index eca0f6a..fbc1a77 100644
--- a/pytest_localserver/https.py
+++ b/pytest_localserver/https.py
@@ -133,32 +133,3 @@ def certificate(self):
             certificate path across different versions or test runs.
         """
         return self._cert
-
-
-if __name__ == "__main__":  # pragma: no cover
-
-    import sys
-    import time
-
-    print("Using certificate %s." % DEFAULT_CERTIFICATE)
-
-    server = SecureContentServer()
-    server.start()
-    server.logging = True
-
-    print("HTTPS server is running at %s" % server.url)
-    print("Type <Ctrl-C> to stop")
-
-    try:
-        path = sys.argv[1]
-    except IndexError:
-        path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "README.rst")
-
-    server.serve_content(open(path).read(), 302)
-
-    try:
-        while True:
-            time.sleep(1)
-    except KeyboardInterrupt:
-        print("\rstopping...")
-    server.stop()
diff --git a/pytest_localserver/smtp.py b/pytest_localserver/smtp.py
index 0b285eb..dc59b43 100644
--- a/pytest_localserver/smtp.py
+++ b/pytest_localserver/smtp.py
@@ -142,26 +142,3 @@ def __del__(self):
 
     def __repr__(self):  # pragma: no cover
         return "<smtp.Server %s:%s>" % self.addr
-
-
-def main():
-    import time
-
-    server = Server()
-    server.start()
-
-    print("SMTP server is running on %s:%i" % server.addr)
-    print("Type <Ctrl-C> to stop")
-
-    try:
-        while True:
-            time.sleep(1)
-    except KeyboardInterrupt:
-        pass
-    finally:
-        print("\rstopping...")
-        server.stop()
-
-
-if __name__ == "__main__":  # pragma: no cover
-    main()