diff --git a/.github/actions/run-in-manylinux-aarch64/action.yml b/.github/actions/run-in-manylinux-aarch64/action.yml
deleted file mode 100644
index 922e9059..00000000
--- a/.github/actions/run-in-manylinux-aarch64/action.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-name: 'Run in ManyLinux aarch64 Container'
-description: 'Build Wheels inside ManyLinux 2014 aarch64 container'
-branding:
-  color: blue
-  icon: upload-cloud
-inputs:
-  script:
-    description: 'Path to the script'
-    required: true
-runs:
-  using: 'docker'
-  image: 'manylinux_aarch64.Dockerfile'
-  args:
-    - ${{ inputs.script }}
diff --git a/.github/actions/run-in-manylinux-aarch64/entry.sh b/.github/actions/run-in-manylinux-aarch64/entry.sh
deleted file mode 100755
index 918a0176..00000000
--- a/.github/actions/run-in-manylinux-aarch64/entry.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-bash -x "$1"
\ No newline at end of file
diff --git a/.github/actions/run-in-manylinux-aarch64/manylinux_aarch64.Dockerfile b/.github/actions/run-in-manylinux-aarch64/manylinux_aarch64.Dockerfile
deleted file mode 100644
index f363888a..00000000
--- a/.github/actions/run-in-manylinux-aarch64/manylinux_aarch64.Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM quay.io/pypa/manylinux2014_aarch64
-COPY entry.sh /entry.sh
-ENTRYPOINT ["bash", "/entry.sh"]
diff --git a/.github/actions/run-in-manylinux-x86-64/action.yml b/.github/actions/run-in-manylinux-x86-64/action.yml
deleted file mode 100644
index 3de145d1..00000000
--- a/.github/actions/run-in-manylinux-x86-64/action.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-name: 'Run in ManyLinux x86_64 Container'
-description: 'Build Wheels inside ManyLinux 2014 x86_64 container'
-branding:
-  color: blue
-  icon: upload-cloud
-inputs:
-  script:
-    description: 'Path to the script'
-    required: true
-runs:
-  using: 'docker'
-  image: 'manylinux_x86_64.Dockerfile'
-  args:
-    - ${{ inputs.script }}
diff --git a/.github/actions/run-in-manylinux-x86-64/entry.sh b/.github/actions/run-in-manylinux-x86-64/entry.sh
deleted file mode 100755
index 918a0176..00000000
--- a/.github/actions/run-in-manylinux-x86-64/entry.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-bash -x "$1"
\ No newline at end of file
diff --git a/.github/actions/run-in-manylinux-x86-64/manylinux_x86_64.Dockerfile b/.github/actions/run-in-manylinux-x86-64/manylinux_x86_64.Dockerfile
deleted file mode 100644
index aa19f551..00000000
--- a/.github/actions/run-in-manylinux-x86-64/manylinux_x86_64.Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM quay.io/pypa/manylinux2014_x86_64
-COPY entry.sh /entry.sh
-ENTRYPOINT ["bash", "/entry.sh"]
diff --git a/.github/actions/run-in-manylinux/action.yml b/.github/actions/run-in-manylinux/action.yml
deleted file mode 100644
index 1037aae1..00000000
--- a/.github/actions/run-in-manylinux/action.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: 'Run in ManyLinux Container'
-description: 'Build Wheels inside ManyLinux 2014 container'
-branding:
-  color: blue
-  icon: upload-cloud
-inputs:
-  script:
-    description: 'Path to the script'
-    required: true
-  arch:
-    description: 'manylinux container architecture. one of [amd64, arm64]'
-    required: true
-runs:
-  using: 'composite'
-  steps:
-    - name: setup qemu for arm64 architecture
-      if: ${{ inputs.arch == 'arm64' }}
-      uses: docker/setup-qemu-action@v3
-      with:
-        platforms: ${{ inputs.arch }}
-
-    - name: run script (amd64)
-      if: ${{ inputs.arch == 'amd64' }}
-      uses: ./.github/actions/run-in-manylinux-x86-64
-      with:
-        script: ${{ inputs.script }}
-    - name: run script (arm64)
-      if: ${{ inputs.arch == 'arm64' }}
-      uses: ./.github/actions/run-in-manylinux-aarch64
-      with:
-        script: ${{ inputs.script }}
diff --git a/python/build-wheels-manylinux-pgo.sh b/python/build-wheels-manylinux-pgo.sh
deleted file mode 100644
index c1d78c96..00000000
--- a/python/build-wheels-manylinux-pgo.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/bin/bash
-set -ex
-
-# Build wheels with PGO, inside a manylinux container (https://github.com/pypa/manylinux)
-# see also "build-wheels-manylinux.sh"
-
-DIR=$(dirname "$(readlink -f "$0")")
-
-curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain stable -y --no-modify-path --component llvm-tools-preview
-export PATH="$HOME/.cargo/bin:$PATH"
-
-cd "$DIR/.."
-
-TARGET_TRIPLE=$(rustc -vV | awk '/^host/ {print $2}')
-PROFDATA=/tmp/sudachi-profdata
-
-# Compile Binary that will generate PGO data
-RUSTFLAGS="-C profile-generate=$PROFDATA -C opt-level=3" \
-  cargo build --release -p sudachi-cli --target=$TARGET_TRIPLE
-
-# Download Kyoto Leads corpus original texts
-curl -L https://github.com/ku-nlp/KWDLC/releases/download/release_1_0/leads.org.txt.gz | gzip -dc > leads.txt
-
-# Generate Profile
-target/$TARGET_TRIPLE/release/sudachi -o /dev/null leads.txt
-target/$TARGET_TRIPLE/release/sudachi --wakati --mode=A -o /dev/null leads.txt
-target/$TARGET_TRIPLE/release/sudachi --all --mode=B -o /dev/null leads.txt
-
-# Generate Merged PGO data
-"$HOME/.rustup/toolchains/stable-$TARGET_TRIPLE/lib/rustlib/$TARGET_TRIPLE/bin/llvm-profdata" \
-  merge -o /tmp/sudachi-profdata.merged "$PROFDATA"
-
-cd "$DIR"
-
-export RUSTFLAGS='-C profile-use=/tmp/sudachi-profdata.merged -C opt-level=3'
-export CARGO_BUILD_TARGET=$TARGET_TRIPLE
-
-# see following link for the list of cpython bin
-# https://github.com/pypa/manylinux?tab=readme-ov-file#image-content
-for PYBIN in /opt/python/cp{37,38,39,310,311,312,313}-*/bin; do
-    "${PYBIN}/pip" install -U setuptools wheel setuptools-rust
-    find . -iname 'sudachipy*.so'
-    rm -f build/lib/sudachipy/sudachipy*.so
-    "${PYBIN}/pip" wheel . --no-build-isolation -vvv --wheel-dir ./dist
-done
-
-for whl in dist/*.whl; do
-    auditwheel repair "$whl" -w dist/
-done
diff --git a/python/build-wheels-manylinux.sh b/python/build-wheels-manylinux.sh
deleted file mode 100644
index cfbdcaf1..00000000
--- a/python/build-wheels-manylinux.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-set -ex
-
-# Build wheels, inside a manylinux container (https://github.com/pypa/manylinux)
-# see also "build-wheels-manylinux-pgo.sh"
-
-DIR=$(dirname "$(readlink -f "$0")")
-
-curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain stable -y --no-modify-path --component llvm-tools-preview
-export PATH="$HOME/.cargo/bin:$PATH"
-
-TARGET_TRIPLE=$(rustc -vV | awk '/^host/ {print $2}')
-
-cd "$DIR"
-
-export RUSTFLAGS='-C opt-level=3'
-export CARGO_BUILD_TARGET=$TARGET_TRIPLE
-
-# see following link for the list of cpython bin
-# https://github.com/pypa/manylinux?tab=readme-ov-file#image-content
-for PYBIN in /opt/python/cp{37,38,39,310,311,312,313}-*/bin; do
-    "${PYBIN}/pip" install -U setuptools wheel setuptools-rust
-    find . -iname 'sudachipy*.so'
-    rm -f build/lib/sudachipy/sudachipy*.so
-    "${PYBIN}/pip" wheel . --no-build-isolation -vvv --wheel-dir ./dist
-done
-
-for whl in dist/*.whl; do
-    auditwheel repair "$whl" -w dist/
-done