diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 1fb0148..936b6e6 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -89,7 +89,7 @@ jobs:
       git submodule sync --recursive
       git submodule update --init --recursive
     displayName: 'submodules'
-  - script: python -m pip install --upgrade pip setuptools wheel wcwidth backcall
+  - script: python -m pip install --upgrade pip setuptools wheel
     displayName: 'Install tools'
   - script: pip install -r requirements.txt
     displayName: 'Install Requirements'
@@ -99,7 +99,7 @@ jobs:
     displayName: 'Build inplace'
   - script: |
       python -m pip install cibuildwheel
-      set CIBW_BEFORE_BUILD="pip install pybind11 cython numpy scipy pyquickhelper wcwidth backcall"
+      set CIBW_BEFORE_BUILD="pip install pybind11 cython numpy scipy pyquickhelper"
       set CIBW_BUILD="cp37-win_amd64 cp38-win_amd64 cp39-win_amd64 cp310-win_amd64"
       python -m cibuildwheel --output-dir dist/wheelhouse
     displayName: 'Build Package many'