diff --git a/tests/daemon/mgmt/command-authenticator.t.cpp b/tests/daemon/mgmt/command-authenticator.t.cpp
index ce4ab53..5f55451 100644
--- a/tests/daemon/mgmt/command-authenticator.t.cpp
+++ b/tests/daemon/mgmt/command-authenticator.t.cpp
@@ -60,7 +60,7 @@
 
   bool
   authorize(const std::string& module, const Name& identity,
-            const function<void(Interest&)>& modifyInterest = nullptr)
+            const std::function<void(Interest&)>& modifyInterest = nullptr)
   {
     Interest interest = this->makeControlCommandRequest(Name("/prefix/" + module + "/verb"),
                                                         ControlParameters(), identity);
@@ -262,7 +262,7 @@
   }
 
   bool
-  authorize1(const function<void(Interest&)>& modifyInterest)
+  authorize1(const std::function<void(Interest&)>& modifyInterest)
   {
     return authorize("module1", id1, modifyInterest);
   }
diff --git a/tests/daemon/mgmt/face-manager-update-face.t.cpp b/tests/daemon/mgmt/face-manager-update-face.t.cpp
index 904b550..15bf6dd 100644
--- a/tests/daemon/mgmt/face-manager-update-face.t.cpp
+++ b/tests/daemon/mgmt/face-manager-update-face.t.cpp
@@ -53,8 +53,8 @@
   void
   createFace(const std::string& uri = "tcp4://127.0.0.1:26363",
              ndn::nfd::FacePersistency persistency = ndn::nfd::FACE_PERSISTENCY_PERSISTENT,
-             ndn::optional<time::nanoseconds> baseCongestionMarkingInterval = {},
-             ndn::optional<uint64_t> defaultCongestionThreshold = {},
+             optional<time::nanoseconds> baseCongestionMarkingInterval = {},
+             optional<uint64_t> defaultCongestionThreshold = {},
              bool enableLocalFields = false,
              bool enableReliability = false,
              boost::logic::tribool enableCongestionMarking = boost::logic::indeterminate)
@@ -127,7 +127,7 @@
   void
   updateFace(const ControlParameters& requestParams,
              bool isSelfUpdating,
-             const function<void(const ControlResponse& resp)>& checkResp)
+             const std::function<void(const ControlResponse& resp)>& checkResp)
   {
     Interest req = makeControlCommandRequest("/localhost/nfd/faces/update", requestParams);
     if (isSelfUpdating) {
diff --git a/tests/daemon/mgmt/fib-manager.t.cpp b/tests/daemon/mgmt/fib-manager.t.cpp
index 428b15b..e2986bc 100644
--- a/tests/daemon/mgmt/fib-manager.t.cpp
+++ b/tests/daemon/mgmt/fib-manager.t.cpp
@@ -35,8 +35,6 @@
 namespace nfd {
 namespace tests {
 
-using ndn::nullopt;
-
 class FibManagerFixture : public NfdManagerCommonFixture
 {
 public:
@@ -98,9 +96,9 @@
    */
   CheckNextHopResult
   checkNextHop(const Name& prefix,
-               ndn::optional<size_t> expectedNNextHops = nullopt,
-               ndn::optional<FaceId> faceId = nullopt,
-               ndn::optional<uint64_t> expectedCost = nullopt) const
+               optional<size_t> expectedNNextHops = nullopt,
+               optional<FaceId> faceId = nullopt,
+               optional<uint64_t> expectedCost = nullopt) const
   {
     const fib::Entry* entry = m_fib.findExactMatch(prefix);
     if (entry == nullptr) {