diff --git a/var/spack/repos/builtin/packages/man-db/package.py b/var/spack/repos/builtin/packages/man-db/package.py
index b910ea883b..bef52da8fe 100644
--- a/var/spack/repos/builtin/packages/man-db/package.py
+++ b/var/spack/repos/builtin/packages/man-db/package.py
@@ -29,7 +29,6 @@ class ManDb(AutotoolsPackage):
     # man pages are typically compressed, include all available
     # compression libraries
     depends_on('bzip2', type=('build', 'link', 'run'))
-    depends_on('lzma',  type=('build', 'link', 'run'))
     depends_on('xz',    type=('build', 'link', 'run'))
 
     def configure_args(self):
diff --git a/var/spack/repos/builtin/packages/pxz/package.py b/var/spack/repos/builtin/packages/pxz/package.py
index 68208a29f2..1d1346aded 100644
--- a/var/spack/repos/builtin/packages/pxz/package.py
+++ b/var/spack/repos/builtin/packages/pxz/package.py
@@ -16,7 +16,7 @@ class Pxz(MakefilePackage):
     version('develop', branch='master')
     version('4.999.9beta.20091201git', '4ae3926185978f5c95c9414dc4634451')
 
-    depends_on('lzma')
+    depends_on('xz')
 
     conflicts('platform=darwin', msg='Pxz runs only on Linux.')