diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 380afc2b6..91675fb3a 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -31,7 +31,7 @@ jobs:
     - name: Build Duplicati
       run: |
         nuget restore Duplicati.sln
-        msbuild -p:Configuration=Release -p:DefineConstants=ENABLE_GTK Duplicati.sln
+        msbuild -p:Configuration=Release Duplicati.sln
 
     - name: Run Unit Tests
       run: |