diff --git a/.gitmodules b/.gitmodules
index 807fc59..1ac9b49 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "cymruwhois"]
 	path = cymruwhois
 	url = https://github.com/JustinAzoff/python-cymruwhois.git
-[submodule "dnspython-orig"]
-	path = dnspython
-	url = https://github.com/rthalley/dnspython/
diff --git a/README.md b/README.md
index 3b307f1..23a679c 100644
--- a/README.md
+++ b/README.md
@@ -130,8 +130,3 @@ Babak Farrokhi
 
 dnsdiag is released under a 2 clause BSD license.
 
-### Credits
-
-- [@rthalley](https://github.com/rthalley) for invaluable [dnspython](https://github.com/rthalley/dnspython) library
-- [@JustinAzoff](https://github.com/JustinAzoff) for [python-cymruwhois](https://github.com/JustinAzoff/python-cymruwhois) library
-- [@bortzmeyer](https://github.com/bortzmeyer) for his feedback and patches
diff --git a/TODO.md b/TODO.md
index 7d42db3..cb347a5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,6 +1,3 @@
 # TODO
 
-- implement basic DNS client functionality into dnstraceroute to eliminate need
-  of modified dnspython module
-- add support for python 2.x for the conservatives and faint-hearted ;-)
 - dnsfingerprint.py tool to fingerprint DNS servers
diff --git a/dns b/dns
deleted file mode 120000
index 1bd9718..0000000
--- a/dns
+++ /dev/null
@@ -1 +0,0 @@
-dnspython/dns
\ No newline at end of file
diff --git a/dnspython b/dnspython
deleted file mode 160000
index a55e23f..0000000
--- a/dnspython
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a55e23fbc4b960ca7f88342a89404fc07293096c
diff --git a/setup.py b/setup.py
index 76fbf42..7bcfd07 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="dnsdiag",
-    version="1.5.0",
+    version="1.5.1",
     packages=find_packages(),
     classifiers=[
         "Topic :: System :: Networking",