diff --git a/packer/benchmark_software.json b/packer/benchmark_software.json
index 675358c..ce75e04 100644
--- a/packer/benchmark_software.json
+++ b/packer/benchmark_software.json
@@ -12,10 +12,6 @@
           "rvm_name": "2.0.0-p0",
           "discourse": false
       },
-      {
-          "rvm_name": "2.0.0-p648",
-          "discourse": false
-      },
       {
           "rvm_name": "2.1.10",
           "discourse": false
@@ -36,14 +32,6 @@
       },
       {
           "rvm_name": "2.6.0"
-      },
-      {
-          "rvm_name": "jruby-9.2.5.0",
-          "discourse": false
-      },
-      {
-          "name": "mri-head",
-          "git_url": "git://github.com/ruby/ruby.git"
       }
   ]
 }