diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 2e7b2b60..4ec220fb 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -42,13 +42,10 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - uses: seanmiddleditch/gha-setup-vsdevenv@master
-    - run: |
-        vcpkg install zlib:x64-windows
-        vcpkg install openssl:x64-windows
     - run: |
         mkdir build
         cd build
-        cmake -DCMAKE_TOOLCHAIN_FILE=c:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_CXX_COMPILER=cl.exe -DUSE_TLS=1 -DUSE_WS=1 -DUSE_TEST=1 ..
+        cmake -DCMAKE_CXX_COMPILER=cl.exe -DUSE_WS=1 -DUSE_TEST=1 ..
     - run: cmake --build build
 
     # Running the unittest does not work, the binary cannot be found