diff --git a/src/test/streams_tests.cpp b/src/test/streams_tests.cpp
index 0e8fba938..e1e77f7c9 100644
--- a/src/test/streams_tests.cpp
+++ b/src/test/streams_tests.cpp
@@ -6,11 +6,8 @@
 #include <support/allocators/zeroafterfree.h>
 #include <test/test_bitcoin.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)
@@ -80,17 +77,17 @@ BOOST_AUTO_TEST_CASE(streams_serializedata_xor)
 
     // Degenerate case
     
-    key += '\x00';
-    key += '\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';
-    in += '\xf0';
-    expected_xor += '\xf0';
-    expected_xor += '\x0f';
+    in.push_back('\x0f');
+    in.push_back('\xf0');
+    expected_xor.push_back('\xf0');
+    expected_xor.push_back('\x0f');
     
     // Single character key
 
@@ -98,7 +95,7 @@ BOOST_AUTO_TEST_CASE(streams_serializedata_xor)
     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()), 
@@ -108,17 +105,17 @@ BOOST_AUTO_TEST_CASE(streams_serializedata_xor)
 
     in.clear();
     expected_xor.clear();
-    in += '\xf0';
-    in += '\x0f';
-    expected_xor += '\x0f';
-    expected_xor += '\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';
-    key += '\x0f';
+    key.push_back('\xff');
+    key.push_back('\x0f');
 
     ds.Xor(key);
     BOOST_CHECK_EQUAL(
diff --git a/test/lint/lint-includes.sh b/test/lint/lint-includes.sh
index fdc3f5bd3..40d28ed3e 100755
--- a/test/lint/lint-includes.sh
+++ b/test/lint/lint-includes.sh
@@ -53,7 +53,6 @@ EXPECTED_BOOST_INCLUDES=(
     boost/algorithm/string/predicate.hpp
     boost/algorithm/string/replace.hpp
     boost/algorithm/string/split.hpp
-    boost/assign/std/vector.hpp
     boost/bind.hpp
     boost/chrono/chrono.hpp
     boost/date_time/posix_time/posix_time.hpp