diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 91927c072de..c976f362404 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -78,7 +78,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
   if(NOT CMAKE_BUILD_TYPE STREQUAL Debug)
     if(HAS_FORTIFY_SOURCE)
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2")
-      set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2")
     endif()
   endif()
   CHECK_C_COMPILER_FLAG(-fstack-protector-strong HAS_STACK_PROTECT)
@@ -140,15 +140,15 @@ else(no_yasm)
   endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
 endif(no_yasm)
 
-# require c++11
+# require c++14
 if(CMAKE_VERSION VERSION_LESS "3.1")
   include(CheckCXXCompilerFlag)
-  CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
-  if(NOT COMPILER_SUPPORTS_CXX11)
+  CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
+  if(NOT COMPILER_SUPPORTS_CXX14)
     message(FATAL_ERROR
-      "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support.")
+      "The compiler ${CMAKE_CXX_COMPILER} has no C++14 support.")
   endif()
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
   include(CheckCCompilerFlag)
   CHECK_C_COMPILER_FLAG("-std=gnu99" COMPILER_SUPPORTS_GNU99)
   if(NOT COMPILER_SUPPORTS_GNU99)
@@ -157,7 +157,7 @@ if(CMAKE_VERSION VERSION_LESS "3.1")
   endif()
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
 else()
-  set(CMAKE_CXX_STANDARD 11)
+  set(CMAKE_CXX_STANDARD 14)
   set(CMAKE_CXX_EXTENSIONS OFF)
   set(CMAKE_CXX_STANDARD_REQUIRED ON)
   set(CMAKE_C_STANDARD 99)
diff --git a/src/common/Throttle.cc b/src/common/Throttle.cc
index b2f480cb2c7..795e960e1ad 100644
--- a/src/common/Throttle.cc
+++ b/src/common/Throttle.cc
@@ -577,7 +577,7 @@ C_OrderedThrottle *OrderedThrottle::start_op(Context *on_finish) {
   auto l = uniquely_lock(m_lock);
   uint64_t tid = m_next_tid++;
   m_tid_result[tid] = Result(on_finish);
-  auto ctx = make_unique<C_OrderedThrottle>(this, tid);
+  auto ctx = std::make_unique<C_OrderedThrottle>(this, tid);
 
   complete_pending_ops(l);
   while (m_max == m_current) {
diff --git a/src/rgw/rgw_iam_policy.cc b/src/rgw/rgw_iam_policy.cc
index 0b967716ae2..c6666cb652c 100644
--- a/src/rgw/rgw_iam_policy.cc
+++ b/src/rgw/rgw_iam_policy.cc
@@ -878,7 +878,7 @@ bool ParseState::obj_start() {
   if (w->objectable && !objecting) {
     objecting = true;
     if (w->id == TokenID::Statement) {
-      pp->policy.statements.push_back({});
+      pp->policy.statements.emplace_back();
     }
 
     return true;