diff --git a/.travis.yml b/.travis.yml
index 90b63aa..0ccb85a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ os:
   - osx
 
 rvm:
-  - 1.9.3
   - jruby-9.1.9.0
   - rbx-3
   - 2.0.0
diff --git a/appveyor.yml b/appveyor.yml
index 38af22a..65d029a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,12 +2,6 @@ version: '1.0.{build}'
 
 environment:
   matrix:
-    - CHILDPROCESS_POSIX_SPAWN: true
-      CHILDPROCESS_UNSET: should-be-unset
-      RUBY_VERSION: 193-x64
-    - CHILDPROCESS_POSIX_SPAWN: false
-      CHILDPROCESS_UNSET: should-be-unset
-      RUBY_VERSION: 193-x64
     - CHILDPROCESS_POSIX_SPAWN: true
       CHILDPROCESS_UNSET: should-be-unset
       RUBY_VERSION: 200-x64