diff --git a/src/libs/utils/elfreader.cpp b/src/libs/utils/elfreader.cpp
index 44f0ed6ef43..3607ecf3637 100644
--- a/src/libs/utils/elfreader.cpp
+++ b/src/libs/utils/elfreader.cpp
@@ -283,9 +283,9 @@ ElfReader::Result ElfReader::readIt()
     return Ok;
 }
 
-std::shared_ptr<ElfMapper> ElfReader::readSection(const QByteArray &name)
+std::unique_ptr<ElfMapper> ElfReader::readSection(const QByteArray &name)
 {
-    std::shared_ptr<ElfMapper> mapper;
+    std::unique_ptr<ElfMapper> mapper;
     readIt();
     int i = m_elfData.indexOf(name);
     if (i == -1)
diff --git a/src/libs/utils/elfreader.h b/src/libs/utils/elfreader.h
index ace9ec2f4de..55aff6e82ff 100644
--- a/src/libs/utils/elfreader.h
+++ b/src/libs/utils/elfreader.h
@@ -140,7 +140,7 @@ public:
     enum Result { Ok, NotElf, Corrupt };
 
     ElfData readHeaders();
-    std::shared_ptr<ElfMapper> readSection(const QByteArray &sectionName);
+    std::unique_ptr<ElfMapper> readSection(const QByteArray &sectionName);
     QString errorString() const { return m_errorString; }
     QByteArray readCoreName(bool *isCore);
 
diff --git a/src/plugins/debugger/debuggerengine.cpp b/src/plugins/debugger/debuggerengine.cpp
index 719331f0d63..13018e9f327 100644
--- a/src/plugins/debugger/debuggerengine.cpp
+++ b/src/plugins/debugger/debuggerengine.cpp
@@ -3130,7 +3130,7 @@ void CppDebuggerEngine::validateRunParameters(DebuggerRunParameters &rp)
             }
             if (globalRegExpSourceMap.isEmpty())
                 return;
-            if (std::shared_ptr<ElfMapper> mapper = reader.readSection(".debug_str")) {
+            if (std::unique_ptr<ElfMapper> mapper = reader.readSection(".debug_str")) {
                 const char *str = mapper->start;
                 const char *limit = str + mapper->fdlen;
                 bool found = false;