diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7d1eb9fd5..b86dc0b30 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Build wheels (manylinux)
         uses: pypa/cibuildwheel@v2.19.2
         env:
-          CIBW_BEFORE_BUILD: "bash scripts/fixup_centos_7_in_ci.sh && yum install -y flex bison libxml2-devel zlib-devel cairo-devel && pip install -U cmake pip setuptools wheel && python setup.py build_c_core"
+          CIBW_BEFORE_BUILD: "yum install -y flex bison libxml2-devel zlib-devel cairo-devel && pip install -U cmake pip setuptools wheel && python setup.py build_c_core"
           CIBW_BUILD: "*-manylinux_${{ matrix.wheel_arch }}"
           # Skip tests for Python 3.10 onwards because SciPy does not have
           # 32-bit wheels for Linux
@@ -66,7 +66,7 @@ jobs:
       - name: Build wheels (manylinux)
         uses: pypa/cibuildwheel@v2.19.2
         env:
-          CIBW_BEFORE_BUILD: "bash scripts/fixup_centos_7_in_ci.sh && yum install -y flex bison libxml2-devel zlib-devel cairo-devel && pip install -U cmake pip setuptools wheel && python setup.py build_c_core"
+          CIBW_BEFORE_BUILD: "yum install -y flex bison libxml2-devel zlib-devel cairo-devel && pip install -U cmake pip setuptools wheel && python setup.py build_c_core"
           CIBW_ARCHS_LINUX: aarch64
           CIBW_BUILD: "*-manylinux_aarch64"
 
diff --git a/scripts/fixup_centos_7_in_ci.sh b/scripts/fixup_centos_7_in_ci.sh
deleted file mode 100755
index 74bc18173..000000000
--- a/scripts/fixup_centos_7_in_ci.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-# Workaround for cibuildwheel Docker images using CentOS 7 now that CentOS 7
-# is gone.
-
-sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
-sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
-sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
-