diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a8210b9ad8..6b6be66b1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -248,7 +248,7 @@ jobs:
           - platform: x86_64
             distro: bionic
             image: openrct2/openrct2-build:4-bionic
-            build_flags: -DCMAKE_POSITION_INDEPENDENT_CODE=on -DCMAKE_CXX_FLAGS="-g -gz"
+            build_flags: -DCMAKE_POSITION_INDEPENDENT_CODE=on -DCMAKE_CXX_FLAGS="-g -gz" -DWITH_TESTS=off
           - platform: x86_64
             distro: focal
             image: openrct2/openrct2-build:5-focal
@@ -260,7 +260,7 @@ jobs:
           - platform: i686
             distro: bionic
             image: openrct2/openrct2-build:4-bionic32
-            build_flags: -DFORCE32=ON -DENABLE_SCRIPTING=OFF -DCMAKE_CXX_FLAGS="-m32 -g -gz"
+            build_flags: -DFORCE32=ON -DENABLE_SCRIPTING=OFF -DCMAKE_CXX_FLAGS="-m32 -g -gz" -DWITH_TESTS=off
     steps:
       - name: Checkout
         uses: actions/checkout@v3