diff --git a/.travis.yml b/.travis.yml
index 42ca64e..dccf42b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,8 @@ d:
 env:
     - CONFIG=select
     - CONFIG=epoll
-    - CONFIG=libasync
+    # disabled until the libasync driver of eventcore is more than a stub
+    #- CONFIG=libasync
 
 matrix:
   allow_failures:
diff --git a/appveyor.yml b/appveyor.yml
index 9de1e95..fceaab0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -26,6 +26,12 @@ environment:
     DVersion: 1.0.0
     arch: x64
 
+matrix:
+  allow_failures:
+      - DC: ldc
+        DVersion: 1.0.0
+        arch: x64
+
 skip_tags: false
 
 install: