diff --git a/sci-libs/ceres-solver/ceres-solver-1.11.0.ebuild b/sci-libs/ceres-solver/ceres-solver-1.11.0.ebuild
index 3be25f7f00161..f027bf48b6b3f 100644
--- a/sci-libs/ceres-solver/ceres-solver-1.11.0.ebuild
+++ b/sci-libs/ceres-solver/ceres-solver-1.11.0.ebuild
@@ -17,7 +17,7 @@ SLOT="0/1"
 KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
 
 IUSE="cxsparse c++11 doc examples gflags lapack openmp +schur sparse test"
-REQUIRED_USE="test? ( gflags ) sparse? ( lapack ) doc? ( ${PYTHON_REQUIRED_USE} )"
+REQUIRED_USE="test? ( gflags ) sparse? ( lapack )"
 
 RDEPEND="
 	dev-cpp/glog[gflags?]
diff --git a/sci-libs/ceres-solver/ceres-solver-1.9.0.ebuild b/sci-libs/ceres-solver/ceres-solver-1.9.0.ebuild
index 80e0ea0f86174..d69cbab462d57 100644
--- a/sci-libs/ceres-solver/ceres-solver-1.9.0.ebuild
+++ b/sci-libs/ceres-solver/ceres-solver-1.9.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -17,7 +17,7 @@ SLOT="0/1"
 KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
 
 IUSE="cxsparse doc examples gflags lapack openmp protobuf +schur sparse static-libs test"
-REQUIRED_USE="test? ( gflags ) sparse? ( lapack ) doc? ( ${PYTHON_REQUIRED_USE} )"
+REQUIRED_USE="test? ( gflags ) sparse? ( lapack )"
 
 RDEPEND="
 	dev-cpp/glog[gflags?]