diff --git a/ci.sh b/ci.sh
index a86c5ca490a4..c19aceb641e3 100755
--- a/ci.sh
+++ b/ci.sh
@@ -55,7 +55,6 @@ case $HOST_TARGET in
     ;;
   i686-pc-windows-msvc)
     MIRI_TEST_TARGET=x86_64-unknown-linux-gnu run_tests
-    MIRI_TEST_TARGET=x86_64-apple-darwin run_tests
     ;;
   *)
     echo "FATAL: unknown OS"