diff --git a/test-suite/cashflows.cpp b/test-suite/cashflows.cpp
index 5369d18e263..b70fecf42c2 100644
--- a/test-suite/cashflows.cpp
+++ b/test-suite/cashflows.cpp
@@ -282,17 +282,17 @@ void CashFlowsTest::testExCouponDates() {
     // no ex-coupon dates
     Leg l1 = FixedRateLeg(schedule).withNotionals(100.0).withCouponRates(0.03, Actual360());
     for (Size i = 0; i < l1.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l1[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l1[i]);
         if (c->exCouponDate() != Date()) {
             BOOST_ERROR("ex-coupon date found (none expected)");
         }
     }
 
     // same for floating legs
-    boost::shared_ptr<IborIndex> index(new Euribor3M);
+    ext::shared_ptr<IborIndex> index(new Euribor3M);
     Leg l2 = IborLeg(schedule, index).withNotionals(100.0);
     for (Size i = 0; i < l2.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l2[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l2[i]);
         if (c->exCouponDate() != Date()) {
             BOOST_ERROR("ex-coupon date found (none expected)");
         }
@@ -304,7 +304,7 @@ void CashFlowsTest::testExCouponDates() {
                  .withCouponRates(0.03, Actual360())
                  .withExCouponPeriod(Period(2, Days), NullCalendar(), Unadjusted, false);
     for (Size i = 0; i < l5.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l5[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l5[i]);
         Date expected = c->accrualEndDate() - 2;
         if (c->exCouponDate() != expected) {
             BOOST_ERROR("ex-coupon date = " << c->exCouponDate() << " (" << expected
@@ -316,7 +316,7 @@ void CashFlowsTest::testExCouponDates() {
                  .withNotionals(100.0)
                  .withExCouponPeriod(Period(2, Days), NullCalendar(), Unadjusted, false);
     for (Size i = 0; i < l6.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l6[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l6[i]);
         Date expected = c->accrualEndDate() - 2;
         if (c->exCouponDate() != expected) {
             BOOST_ERROR("ex-coupon date = " << c->exCouponDate() << " (" << expected
@@ -330,7 +330,7 @@ void CashFlowsTest::testExCouponDates() {
                  .withCouponRates(0.03, Actual360())
                  .withExCouponPeriod(Period(2, Days), TARGET(), Preceding, false);
     for (Size i = 0; i < l7.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l7[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l7[i]);
         Date expected = TARGET().advance(c->accrualEndDate(), -2, Days);
         if (c->exCouponDate() != expected) {
             BOOST_ERROR("ex-coupon date = " << c->exCouponDate() << " (" << expected
@@ -342,7 +342,7 @@ void CashFlowsTest::testExCouponDates() {
                  .withNotionals(100.0)
                  .withExCouponPeriod(Period(2, Days), TARGET(), Preceding, false);
     for (Size i = 0; i < l8.size(); ++i) {
-        boost::shared_ptr<Coupon> c = boost::dynamic_pointer_cast<Coupon>(l8[i]);
+        ext::shared_ptr<Coupon> c = ext::dynamic_pointer_cast<Coupon>(l8[i]);
         Date expected = TARGET().advance(c->accrualEndDate(), -2, Days);
         if (c->exCouponDate() != expected) {
             BOOST_ERROR("ex-coupon date = " << c->exCouponDate() << " (" << expected