diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index efc4e35..06d09bd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,8 +4,6 @@
   - windows
   - windows-1809
 
-image: mcr.microsoft.com/dotnet/core/sdk
-
 before_script:
   - dotnet restore