diff --git a/.github/workflows/build-manylinux-container-images.yml b/.github/workflows/build-manylinux-container-images.yml
index cc1760b5d..5946beca2 100644
--- a/.github/workflows/build-manylinux-container-images.yml
+++ b/.github/workflows/build-manylinux-container-images.yml
@@ -45,10 +45,6 @@ jobs:
         - 2014
         - _2_24  # PEP 600
         include:
-        - IMAGE:
-            ARCH: x86_64
-            QEMU_ARCH: amd64
-          YEAR: 1
         - IMAGE:
             ARCH: x86_64
             QEMU_ARCH: amd64
diff --git a/.github/workflows/build-test-n-publish.yml b/.github/workflows/build-test-n-publish.yml
index 7a96d88f6..776a1ab14 100644
--- a/.github/workflows/build-test-n-publish.yml
+++ b/.github/workflows/build-test-n-publish.yml
@@ -894,7 +894,7 @@ jobs:
         - cp36-cp36m
         - cp37-cp37m
         - cp38-cp38
-        - cp39-cp39
+        - cp39-cp39  # NOTE: This version and newer ship pip supporting PEP 600, meaning that they don't need to be built with manylinux2010/manylinux2014
         - cp310-cp310
         - cp311-cp311
         manylinux-year-target:
diff --git a/build-scripts/build-manylinux-wheels.sh b/build-scripts/build-manylinux-wheels.sh
index 1d7365166..8bdff6ffe 100755
--- a/build-scripts/build-manylinux-wheels.sh
+++ b/build-scripts/build-manylinux-wheels.sh
@@ -16,7 +16,6 @@ THIS_SCRIPT_DIR_PATH=$(dirname "$(readlink -m $(type -p "${0}"))")
 IMAGE_SCRIPTS_DIR_PATH="${THIS_SCRIPT_DIR_PATH}/manylinux-container-image"
 
 source "${IMAGE_SCRIPTS_DIR_PATH}/get-static-deps-dir.sh"
-source "${IMAGE_SCRIPTS_DIR_PATH}/activate-userspace-tools.sh"
 
 SRC_DIR=/io
 GIT_DIR="${SRC_DIR}/.git"
@@ -59,8 +58,6 @@ MANYLINUX_TAG="$(
 # Avoid creation of __pycache__/*.py[c|o]
 export PYTHONDONTWRITEBYTECODE=1
 
-import_userspace_tools
-
 PIP_GLOBAL_ARGS=
 if [ -n "$DEBUG" ]
 then
diff --git a/build-scripts/manylinux-container-image/Dockerfile b/build-scripts/manylinux-container-image/Dockerfile
index 82c93a677..af67973b8 100644
--- a/build-scripts/manylinux-container-image/Dockerfile
+++ b/build-scripts/manylinux-container-image/Dockerfile
@@ -9,10 +9,9 @@ ADD update-packages.sh /root/update-packages.sh
 RUN ./update-packages.sh
 
 ADD build_utils.sh /root/build_utils.sh
-ADD install_perl.sh /root/install_perl.sh
-RUN ./install_perl.sh "${RELEASE}"
-ADD install_libffi.sh /root/install_libffi.sh
-RUN ./install_libffi.sh "${RELEASE}"
+#ADD install_perl.sh /root/install_perl.sh
+#RUN ./install_perl.sh "${RELEASE}"
+#RUN apt update && apt install -y perl && apt clean
 ADD install_openssl.sh /root/install_openssl.sh
 ADD openssl-version.sh /root/openssl-version.sh
 RUN ./install_openssl.sh "${RELEASE}"
@@ -21,14 +20,10 @@ ADD install_virtualenv.sh /root/install_virtualenv.sh
 RUN ./install_virtualenv.sh
 
 # \pylibssh
-ADD install-userspace-tools.sh /root/install-userspace-tools.sh
-ADD activate-userspace-tools.sh /root/activate-userspace-tools.sh
-RUN ./install-userspace-tools.sh
 ADD make-static-deps-dir.sh /root/make-static-deps-dir.sh
 ADD get-static-deps-dir.sh /root/get-static-deps-dir.sh
 RUN ./make-static-deps-dir.sh
-ADD install_zlib.sh /root/install_zlib.sh
-RUN ./install_zlib.sh
+RUN apt update && apt install -y cmake && apt clean
 ADD install_libssh.sh /root/install_libssh.sh
 RUN ./install_libssh.sh "${LIBSSH_VERSION}"
 # /pylibssh
diff --git a/build-scripts/manylinux-container-image/activate-userspace-tools.sh b/build-scripts/manylinux-container-image/activate-userspace-tools.sh
deleted file mode 100755
index bd2fcad8e..000000000
--- a/build-scripts/manylinux-container-image/activate-userspace-tools.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-set -xe
-
-USERSPACE_LOCAL_BIN_PATH="${HOME}/.local/bin"
-USERSPACE_VENV_PATH="${HOME}/.tools-venv"
-USERSPACE_VENV_BIN_PATH="${USERSPACE_VENV_PATH}/bin"
-
-PATH="${USERSPACE_VENV_BIN_PATH}:${USERSPACE_LOCAL_BIN_PATH}:${PATH}"
-
-function import_userspace_tools {
-    export USERSPACE_VENV_PATH
-    export USERSPACE_VENV_BIN_PATH
-    export PATH
-}
-
-export import_userspace_tools
diff --git a/build-scripts/manylinux-container-image/install-userspace-tools.sh b/build-scripts/manylinux-container-image/install-userspace-tools.sh
deleted file mode 100755
index b7131108f..000000000
--- a/build-scripts/manylinux-container-image/install-userspace-tools.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-set -x
-
-set -Eeuo pipefail
-
-source activate-userspace-tools.sh
-import_userspace_tools
-
-ARCH=$(uname -m)
-PYTHON_INTERPRETER=/opt/python/cp39-cp39/bin/python
-VIRTUALENV_PYTHON_BIN="${USERSPACE_VENV_BIN_PATH}/python"
-VIRTUALENV_PIP_BIN="${VIRTUALENV_PYTHON_BIN} -m pip"
-
-TOOLS_PKGS=auditwheel
-if [ "${ARCH}" == "x86_64" ]
-then
-    TOOLS_PKGS="${TOOLS_PKGS} cmake --only-binary=cmake"
-fi
-
-# Avoid creation of __pycache__/*.py[c|o]
-export PYTHONDONTWRITEBYTECODE=1
-
->&2 echo
->&2 echo
->&2 echo ============================================================================
->&2 echo Installing build deps into a dedicated venv at "'${USERSPACE_VENV_PATH}'"...
->&2 echo ============================================================================
->&2 echo
-"${PYTHON_INTERPRETER}" -m venv "${USERSPACE_VENV_PATH}"
-${VIRTUALENV_PIP_BIN} install -U pip-with-requires-python
-${VIRTUALENV_PIP_BIN} install -U setuptools wheel
-${VIRTUALENV_PIP_BIN} install ${TOOLS_PKGS}
diff --git a/build-scripts/manylinux-container-image/install_libffi.sh b/build-scripts/manylinux-container-image/install_libffi.sh
deleted file mode 100755
index f1910f8e6..000000000
--- a/build-scripts/manylinux-container-image/install_libffi.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/bash
-set -xe
-
-unset RELEASE
-
-# Get script directory
-MY_DIR=$(dirname "${BASH_SOURCE[0]}")
-
-# Get build utilities
-source $MY_DIR/build_utils.sh
-
-LIBFFI_SHA256="72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056"
-LIBFFI_VERSION="3.3"
-
-fetch_source "libffi_${LIBFFI_VERSION}.orig.tar.gz" "https://mirrors.ocf.berkeley.edu/debian/pool/main/libf/libffi"
-check_sha256sum "libffi_${LIBFFI_VERSION}.orig.tar.gz" ${LIBFFI_SHA256}
-tar zxf libffi_${LIBFFI_VERSION}.orig.tar.gz
-
-pushd libffi*/
-if [[ "$1" =~ '^manylinux1_.*$' ]]; then
-  PATH=/opt/perl/bin:$PATH
-  STACK_PROTECTOR_FLAGS="-fstack-protector --param=ssp-buffer-size=4"
-else
-  STACK_PROTECTOR_FLAGS="-fstack-protector-strong"
-fi
-./configure CFLAGS="-g -O2 $STACK_PROTECTOR_FLAGS -Wformat -Werror=format-security"
-make install
-popd
-rm -rf libffi*
diff --git a/build-scripts/manylinux-container-image/install_libssh.sh b/build-scripts/manylinux-container-image/install_libssh.sh
index f323c9e2e..071650d7d 100755
--- a/build-scripts/manylinux-container-image/install_libssh.sh
+++ b/build-scripts/manylinux-container-image/install_libssh.sh
@@ -81,9 +81,6 @@ git clone \
     https://git.libssh.org/projects/${LIB_NAME}.git \
     "${LIB_CLONE_DIR}"
 
-source activate-userspace-tools.sh
-import_userspace_tools
-
 mkdir -pv "${LIB_BUILD_DIR}"
 pushd "${LIB_BUILD_DIR}"
 # For some reason, libssh has to be compiled as a shared object.
diff --git a/build-scripts/manylinux-container-image/install_zlib.sh b/build-scripts/manylinux-container-image/install_zlib.sh
deleted file mode 100755
index 71c195ffb..000000000
--- a/build-scripts/manylinux-container-image/install_zlib.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-set -xe
-
-unset RELEASE
-
-# Get script directory
-MY_DIR=$(dirname "${BASH_SOURCE[0]}")
-
-# Get build utilities
-source $MY_DIR/build_utils.sh
-source get-static-deps-dir.sh
-
-ZLIB_SHA256="b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30"
-ZLIB_VERSION="1.2.13"
-
-fetch_source "zlib-${ZLIB_VERSION}.tar.gz" "https://github.com/madler/zlib/releases/download/v${ZLIB_VERSION}"
-check_sha256sum "zlib-${ZLIB_VERSION}.tar.gz" ${ZLIB_SHA256}
-tar zxf "zlib-${ZLIB_VERSION}.tar.gz"
-
-pushd "zlib-${ZLIB_VERSION}"
-export CFLAGS="-fPIC"
-STATIC_DEPS_PREFIX="$(get_static_deps_dir)"
-./configure --static --prefix="${STATIC_DEPS_PREFIX}"
-make -j libz.a
-make install
-popd
-rm -rf "zlib-${ZLIB_VERSION}"
diff --git a/docs/changelog-fragments/437.deprecation.rst b/docs/changelog-fragments/437.deprecation.rst
new file mode 100644
index 000000000..24944d537
--- /dev/null
+++ b/docs/changelog-fragments/437.deprecation.rst
@@ -0,0 +1,2 @@
+Stopped updating ``manylinux1`` container images for building
+wheels in the CI -- by :user:`webknjaz`