diff --git a/src/libs/cplusplus/PPToken.h b/src/libs/cplusplus/PPToken.h
index af31dec861c..a2d0f2af532 100644
--- a/src/libs/cplusplus/PPToken.h
+++ b/src/libs/cplusplus/PPToken.h
@@ -109,6 +109,10 @@ public:
         : m_src(src)
     {}
 
+    PPToken(QByteArray &&src)
+        : m_src(std::move(src))
+    {}
+
     void setSource(const QByteArray &src)
     { m_src = src; }
 
diff --git a/src/libs/cplusplus/pp-engine.cpp b/src/libs/cplusplus/pp-engine.cpp
index 913a6a3c9b6..b3cfe6bd15a 100644
--- a/src/libs/cplusplus/pp-engine.cpp
+++ b/src/libs/cplusplus/pp-engine.cpp
@@ -1219,12 +1219,12 @@ bool Preprocessor::handleFunctionLikeMacro(const Macro *macro,
                 // No formal macro parameter for this identifier in the body.
                 bodyTk.f.generated = true;
                 bodyTk.lineno = baseLine;
-                expanded.push_back(bodyTk);
+                expanded.push_back(std::move(bodyTk));
             }
         } else if (bodyTk.isNot(T_POUND) && bodyTk.isNot(T_POUND_POUND)) {
             bodyTk.f.generated = true;
             bodyTk.lineno = baseLine;
-            expanded.push_back(bodyTk);
+            expanded.push_back(std::move(bodyTk));
         }
 
         if (i > 1 && body[int(i) - 1].is(T_POUND_POUND)) {