diff --git a/var/spack/repos/builtin/packages/idba/package.py b/var/spack/repos/builtin/packages/idba/package.py
index be986566fbf..ccd71621d04 100644
--- a/var/spack/repos/builtin/packages/idba/package.py
+++ b/var/spack/repos/builtin/packages/idba/package.py
@@ -19,11 +19,3 @@ class Idba(AutotoolsPackage):
     depends_on('autoconf', type='build')
     depends_on('automake', type='build')
     depends_on('libtool', type='build')    
-
-    conflicts('%cce')
-    conflicts('%clang')
-    conflicts('%intel')
-    conflicts('%nag')
-    conflicts('%pgi')
-    conflicts('%xl')
-    conflicts('%xl_r')