diff --git a/.appveyor.yml b/.appveyor.yml
index 7fc02aae21679818c11ad25f6b3be4016a2928cc..3413edd8b92c0e32d9945b83d0c16467dc90a6e7 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -58,7 +58,7 @@ before_build:
 
 build_script:
   - mkdir build & cd build
-  - cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=%configuration% -DBUILD_SHARED_LIBS=OFF -DOGS_EIGEN_DYNAMIC_SHAPE_MATRICES=ON -DOGS_USE_PCH=OFF -DOGS_USE_CONAN=ON -DOGS_CONAN_BUILD=never # -DOGS_BUILD_GUI=ON
+  - cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=%configuration% -DBUILD_SHARED_LIBS=OFF -DOGS_EIGEN_DYNAMIC_SHAPE_MATRICES=ON -DOGS_USE_PCH=OFF
   - cmake --build . --config %configuration%
   - cmake --build . --config %configuration% --target tests
   - cmake --build . --config %configuration% --target ctest