diff --git a/pkgs/development/python-modules/tern/0001-Replace-debut-with-debian-inspector.patch b/pkgs/development/python-modules/tern/0001-Replace-debut-with-debian-inspector.patch
deleted file mode 100644
index c9cb8b4a5281..000000000000
--- a/pkgs/development/python-modules/tern/0001-Replace-debut-with-debian-inspector.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From d944d8fa6cb6d1667f3e4c4e0cff4c4b2a7c0a30 Mon Sep 17 00:00:00 2001
-From: Cole Helbling <cole.e.helbling@outlook.com>
-Date: Fri, 7 May 2021 11:00:46 -0700
-Subject: [PATCH] Replace `debut` with `debian-inspector`
-
----
- requirements.in        | 2 +-
- tern/analyze/common.py | 4 ++--
- 2 files changed, 3 insertions(+), 3 deletions(-)
-
-diff --git a/requirements.in b/requirements.in
-index edd90ab..5135841 100644
---- a/requirements.in
-+++ b/requirements.in
-@@ -12,6 +12,6 @@ requests
- stevedore
- pbr
- dockerfile-parse
--debut
-+debian-inspector
- regex
- GitPython
-diff --git a/tern/analyze/common.py b/tern/analyze/common.py
-index 6962404..0f5e77d 100644
---- a/tern/analyze/common.py
-+++ b/tern/analyze/common.py
-@@ -19,8 +19,8 @@ from tern.utils import cache
- from tern.utils import constants
- from tern.utils import general
- from tern.utils import rootfs
--from debut import debcon
--from debut import copyright as debut_copyright
-+from debian_inspector import debcon
-+from debian_inspector import copyright as debut_copyright
- 
- # global logger
- logger = logging.getLogger(constants.logger_name)
--- 
-2.31.1
-
diff --git a/pkgs/development/python-modules/tern/default.nix b/pkgs/development/python-modules/tern/default.nix
index e00e06561f02..0468ee6f84b1 100644
--- a/pkgs/development/python-modules/tern/default.nix
+++ b/pkgs/development/python-modules/tern/default.nix
@@ -13,6 +13,7 @@
 , prettytable
 , idna
 }:
+
 buildPythonPackage rec {
   pname = "tern";
   version = "2.6.1";
@@ -22,14 +23,6 @@ buildPythonPackage rec {
     sha256 = "749c18ef493ebe3ac28624b2b26c6e38f77de2afd6a6579d2c92393d8fbdbd46";
   };
 
-  patches = [
-    # debut was renamed to debian-inspector
-    # https://github.com/tern-tools/tern/pull/962
-    # NOTE: Has to be in-tree because the upstream patch doesn't apply cleanly
-    # to the PyPi source.
-    ./0001-Replace-debut-with-debian-inspector.patch
-  ];
-
   preBuild = ''
     cp requirements.{in,txt}
   '';