diff --git a/src/test/streams_tests.cpp b/src/test/streams_tests.cpp
--- a/src/test/streams_tests.cpp
+++ b/src/test/streams_tests.cpp
@@ -6,11 +6,8 @@
 
 #include <test/setup_common.h>
 
-#include <boost/assign/std/vector.hpp> // for 'operator+=()'
 #include <boost/test/unit_test.hpp>
 
-using namespace boost::assign; // bring 'operator+=()' into scope
-
 BOOST_FIXTURE_TEST_SUITE(streams_tests, BasicTestingSetup)
 
 BOOST_AUTO_TEST_CASE(streams_vector_writer) {
@@ -160,13 +157,16 @@
 
     // Degenerate case
 
-    key += '\x00', '\x00';
+    key.push_back('\x00');
+    key.push_back('\x00');
     ds.Xor(key);
     BOOST_CHECK_EQUAL(std::string(expected_xor.begin(), expected_xor.end()),
                       std::string(ds.begin(), ds.end()));
 
-    in += '\x0f', '\xf0';
-    expected_xor += '\xf0', '\x0f';
+    in.push_back('\x0f');
+    in.push_back('\xf0');
+    expected_xor.push_back('\xf0');
+    expected_xor.push_back('\x0f');
 
     // Single character key
 
@@ -174,7 +174,7 @@
     ds.insert(ds.begin(), in.begin(), in.end());
     key.clear();
 
-    key += '\xff';
+    key.push_back('\xff');
     ds.Xor(key);
     BOOST_CHECK_EQUAL(std::string(expected_xor.begin(), expected_xor.end()),
                       std::string(ds.begin(), ds.end()));
@@ -183,14 +183,17 @@
 
     in.clear();
     expected_xor.clear();
-    in += '\xf0', '\x0f';
-    expected_xor += '\x0f', '\x00';
+    in.push_back('\xf0');
+    in.push_back('\x0f');
+    expected_xor.push_back('\x0f');
+    expected_xor.push_back('\x00');
 
     ds.clear();
     ds.insert(ds.begin(), in.begin(), in.end());
 
     key.clear();
-    key += '\xff', '\x0f';
+    key.push_back('\xff');
+    key.push_back('\x0f');
 
     ds.Xor(key);
     BOOST_CHECK_EQUAL(std::string(expected_xor.begin(), expected_xor.end()),
diff --git a/test/lint/lint-boost-dependencies.sh b/test/lint/lint-boost-dependencies.sh
--- a/test/lint/lint-boost-dependencies.sh
+++ b/test/lint/lint-boost-dependencies.sh
@@ -13,7 +13,6 @@
     boost/algorithm/string/classification.hpp
     boost/algorithm/string/replace.hpp
     boost/algorithm/string/split.hpp
-    boost/assign/std/vector.hpp
     boost/chrono/chrono.hpp
     boost/date_time/posix_time/posix_time.hpp
     boost/filesystem.hpp