diff --git a/dev-ros/roscpp/Manifest b/dev-ros/roscpp/Manifest
index e01f0dcf16ba9..556c43ecfa6c4 100644
--- a/dev-ros/roscpp/Manifest
+++ b/dev-ros/roscpp/Manifest
@@ -1,3 +1 @@
-DIST ros_comm-1.15.7.tar.gz 1080092 BLAKE2B d5c0dd1f54eac7aa11be21bbc680f85f988cc9328382c0c675b7d5986e888be603ed82affa5f51a270974d07044debe3ecf86f5647fd59cb29e8e791a227feb9 SHA512 67dc100e8ed03a25ea228cc7d456ec2203324098f9e11c9a249299df73bfc34efc75b1221c0fb6fceb38fece627f1dc5f2c23be93c9a1c85b1075784a45ff20e
-DIST ros_comm-1.15.8.tar.gz 1080826 BLAKE2B c1a1e085225a96cf0b50309cb78e1ccdabefce1f23ee669393b7fc747537c7e39bfb6ad382b0d24e3b5507b1d0f3eaf2051a1bee90507b0e724e06a83df301a2 SHA512 b1c34ab6548400fc014eda496e5d1e1c7d134b9062a031386ac4eac3245ca83b034f74f0a189ccf9ec6933c18d6df0ae1a93d05f1526d09debf70c25aa25b6b9
 DIST ros_comm-1.15.9.tar.gz 1087337 BLAKE2B 8c1582425770eee7898de42785c620c5fe82e31764d8947c16f9dbb43dd03d0201344e72d5a24911f7cc3cf4eacd51d6fc2940cc2346b635a2c769b055898297 SHA512 3f009a29d74dd74169585afb8d08c41faa19128e384ef6aa6c7bf58ae4d31345e4ea5441fc99a81b7742f724df7c7e3c16c4e51473c4fddeb4b9b6bf41cff04b
diff --git a/dev-ros/roscpp/files/boost173.patch b/dev-ros/roscpp/files/boost173.patch
deleted file mode 100644
index d31f8c8ff2462..0000000000000
--- a/dev-ros/roscpp/files/boost173.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-Index: roscpp/include/ros/timer_manager.h
-===================================================================
---- roscpp.orig/include/ros/timer_manager.h
-+++ roscpp/include/ros/timer_manager.h
-@@ -349,7 +349,7 @@ int32_t TimerManager<T, D, E>::add(const
-     {
-       boost::mutex::scoped_lock lock(waiting_mutex_);
-       waiting_.push_back(info->handle);
--      waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, _1, _2));
-+      waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, boost::placeholders::_1, boost::placeholders::_2));
-     }
- 
-     new_timer_ = true;
-@@ -416,7 +416,7 @@ void TimerManager<T, D, E>::schedule(con
- 
-     waiting_.push_back(info->handle);
-     // waitingCompare requires a lock on the timers_mutex_
--    waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, _1, _2));
-+    waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, boost::placeholders::_1, boost::placeholders::_2));
-   }
- 
-   new_timer_ = true;
-@@ -490,7 +490,7 @@ void TimerManager<T, D, E>::setPeriod(in
-     // In this case, let next_expected be updated only in updateNext
-     
-     info->period = period;
--    waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, _1, _2));
-+    waiting_.sort(boost::bind(&TimerManager::waitingCompare, this, boost::placeholders::_1, boost::placeholders::_2));
-   }
- 
-   new_timer_ = true;
-Index: roscpp/src/libros/connection_manager.cpp
-===================================================================
---- roscpp.orig/src/libros/connection_manager.cpp
-+++ roscpp/src/libros/connection_manager.cpp
-@@ -66,7 +66,7 @@ void ConnectionManager::start()
-   tcpserver_transport_ = boost::make_shared<TransportTCP>(&poll_manager_->getPollSet());
-   if (!tcpserver_transport_->listen(network::getTCPROSPort(), 
- 				    MAX_TCPROS_CONN_QUEUE, 
--				    boost::bind(&ConnectionManager::tcprosAcceptConnection, this, _1)))
-+				    boost::bind(&ConnectionManager::tcprosAcceptConnection, this, boost::placeholders::_1)))
-   {
-     ROS_FATAL("Listen on port [%d] failed", network::getTCPROSPort());
-     ROS_BREAK();
-@@ -142,7 +142,7 @@ void ConnectionManager::addConnection(co
-   boost::mutex::scoped_lock lock(connections_mutex_);
- 
-   connections_.insert(conn);
--  conn->addDropListener(boost::bind(&ConnectionManager::onConnectionDropped, this, _1));
-+  conn->addDropListener(boost::bind(&ConnectionManager::onConnectionDropped, this, boost::placeholders::_1));
- }
- 
- void ConnectionManager::onConnectionDropped(const ConnectionPtr& conn)
-@@ -190,7 +190,7 @@ void ConnectionManager::tcprosAcceptConn
-   ConnectionPtr conn(boost::make_shared<Connection>());
-   addConnection(conn);
- 
--  conn->initialize(transport, true, boost::bind(&ConnectionManager::onConnectionHeaderReceived, this, _1, _2));
-+  conn->initialize(transport, true, boost::bind(&ConnectionManager::onConnectionHeaderReceived, this, boost::placeholders::_1, boost::placeholders::_2));
- }
- 
- bool ConnectionManager::onConnectionHeaderReceived(const ConnectionPtr& conn, const Header& header)
diff --git a/dev-ros/roscpp/roscpp-1.15.7.ebuild b/dev-ros/roscpp/roscpp-1.15.7.ebuild
deleted file mode 100644
index 8863bf3d38b4c..0000000000000
--- a/dev-ros/roscpp/roscpp-1.15.7.ebuild
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-ROS_REPO_URI="https://github.com/ros/ros_comm"
-KEYWORDS="~amd64 ~arm"
-CATKIN_HAS_MESSAGES=yes
-ROS_SUBDIR=clients/${PN}
-
-inherit ros-catkin
-
-DESCRIPTION="C++ implementation of ROS"
-LICENSE="BSD"
-SLOT="0"
-IUSE=""
-
-RDEPEND="
-	dev-ros/cpp_common
-	dev-ros/rosconsole
-	dev-ros/roscpp_serialization
-	dev-ros/roscpp_traits
-	dev-ros/rostime
-	dev-ros/xmlrpcpp
-	dev-libs/boost:=
-	dev-ros/std_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
-	dev-ros/rosgraph_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
-"
-DEPEND="${RDEPEND}"
-PATCHES=( "${FILESDIR}/boost173.patch" )
diff --git a/dev-ros/roscpp/roscpp-1.15.8.ebuild b/dev-ros/roscpp/roscpp-1.15.8.ebuild
deleted file mode 100644
index 8863bf3d38b4c..0000000000000
--- a/dev-ros/roscpp/roscpp-1.15.8.ebuild
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-ROS_REPO_URI="https://github.com/ros/ros_comm"
-KEYWORDS="~amd64 ~arm"
-CATKIN_HAS_MESSAGES=yes
-ROS_SUBDIR=clients/${PN}
-
-inherit ros-catkin
-
-DESCRIPTION="C++ implementation of ROS"
-LICENSE="BSD"
-SLOT="0"
-IUSE=""
-
-RDEPEND="
-	dev-ros/cpp_common
-	dev-ros/rosconsole
-	dev-ros/roscpp_serialization
-	dev-ros/roscpp_traits
-	dev-ros/rostime
-	dev-ros/xmlrpcpp
-	dev-libs/boost:=
-	dev-ros/std_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
-	dev-ros/rosgraph_msgs[${CATKIN_MESSAGES_CXX_USEDEP}]
-"
-DEPEND="${RDEPEND}"
-PATCHES=( "${FILESDIR}/boost173.patch" )