diff --git a/python-awscrt.spec b/python-awscrt.spec
index e890158..37a0b99 100644
--- a/python-awscrt.spec
+++ b/python-awscrt.spec
@@ -4,7 +4,7 @@ Python bindings for the AWS Common Runtime}
 
 Name:           python-awscrt
 Version:        0.20.5
-Release:        2%{?dist}
+Release:        3%{?dist}
 
 Summary:        Python bindings for the AWS Common Runtime
 # All files are licensed under Apache-2.0, except:
@@ -16,10 +16,6 @@ URL:            https://github.com/awslabs/aws-crt-python
 
 Source0:        %{pypi_source awscrt}
 
-# Get an open source version of the pkcs11 header file from Simo's repository.
-# https://github.com/latchset/pkcs11-headers
-Source1:        https://raw.githubusercontent.com/latchset/pkcs11-headers/main/public-domain/2.40/pkcs11.h
-
 # one test requires internet connection, skip it
 Patch0:         skip-test-requiring-network.patch
 
@@ -51,14 +47,6 @@ Summary:        %{summary}
 %prep
 %autosetup -p1 -n awscrt-%{version}
 
-# Bring in the pkcs11 header file from Simo's repository.
-rm -fv crt/aws-c-io/source/pkcs11/v2.40/*
-cp %{SOURCE1} crt/aws-c-io/source/pkcs11/v2.40/
-
-# Remove the third party license that goes along with
-# the removed pkcs11.h header file.
-rm -rf crt/aws-c-io/THIRD-PARTY-LICENSES.txt
-
 
 %generate_buildrequires
 %pyproject_buildrequires
@@ -88,6 +76,9 @@ PYTHONPATH="%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_sitelib}" %{py
 
 
 %changelog
+* Mon Apr 29 2024 Major Hayden <major@redhat.com> - 0.20.5-3
+- Removing extra pkcs11 source now that upstream switched to public domain headers
+
 * Mon Apr 01 2024 Major Hayden <major@redhat.com> - 0.20.5-2
 - Bump revision for new build