diff --git a/lib/spack/spack/test/mock_packages_test.py b/lib/spack/spack/test/mock_packages_test.py
index e1acc32cb71..c8b06cd7d70 100644
--- a/lib/spack/spack/test/mock_packages_test.py
+++ b/lib/spack/spack/test/mock_packages_test.py
@@ -82,15 +82,6 @@
       f77: None
       fc: None
     modules: 'None'
-- compiler:
-    spec: clang@3.3
-    operating_system: redhat6
-    paths:
-      cc: /path/to/clang
-      cxx: /path/to/clang++
-      f77: None
-      fc: None
-    modules: 'None'
 - compiler:
     spec: clang@3.3
     operating_system: yosemite
@@ -118,15 +109,6 @@
     operating_system: SuSE11
     spec: gcc@4.5.0
     modules: 'None'
-- compiler:
-    paths:
-      cc: /path/to/gcc
-      cxx: /path/to/g++
-      f77: /path/to/gfortran
-      fc: /path/to/gfortran
-    operating_system: redhat6
-    spec: gcc@4.5.0
-    modules: 'None'
 - compiler:
     paths:
       cc: /path/to/gcc