diff --git a/src/plugins/debugger/cdb/cdbengine.cpp b/src/plugins/debugger/cdb/cdbengine.cpp
index 8ee16141638..90035878533 100644
--- a/src/plugins/debugger/cdb/cdbengine.cpp
+++ b/src/plugins/debugger/cdb/cdbengine.cpp
@@ -214,16 +214,6 @@ void CdbEngine::init()
     m_symbolAddressCache.clear();
     m_coreStopReason.reset();
 
-    // Create local list of mappings in native separators
-    m_sourcePathMappings.clear();
-    const QString &packageSources = runParameters().qtPackageSourceLocation;
-    if (!packageSources.isEmpty()) {
-        for (const QString &buildPath : qtBuildPaths()) {
-            m_sourcePathMappings.push_back({QDir::toNativeSeparators(buildPath),
-                                            QDir::toNativeSeparators(packageSources)});
-        }
-    }
-
     const SourcePathMap &sourcePathMap
         = mergePlatformQtPath(runParameters(), settings().sourcePathMap());
     if (!sourcePathMap.isEmpty()) {
diff --git a/src/plugins/debugger/debuggerengine.h b/src/plugins/debugger/debuggerengine.h
index dfb623b4bc5..e82a386311d 100644
--- a/src/plugins/debugger/debuggerengine.h
+++ b/src/plugins/debugger/debuggerengine.h
@@ -160,7 +160,6 @@ public:
     QString startMessage; // First status message shown.
     Utils::FilePath debugInfoLocation; // Gdb "set-debug-file-directory".
     QStringList debugSourceLocation; // Gdb "directory"
-    QString qtPackageSourceLocation;
     Utils::FilePath qtSourceLocation;
     bool isSnapshot = false; // Set if created internally.
     ProjectExplorer::Abi toolChainAbi;
diff --git a/src/plugins/debugger/debuggerruncontrol.cpp b/src/plugins/debugger/debuggerruncontrol.cpp
index a242fa5b3f2..7971ea1beb8 100644
--- a/src/plugins/debugger/debuggerruncontrol.cpp
+++ b/src/plugins/debugger/debuggerruncontrol.cpp
@@ -847,10 +847,8 @@ DebuggerRunTool::DebuggerRunTool(RunControl *runControl, AllowTerminal allowTerm
     m_runParameters.cppEngineType = DebuggerKitAspect::engineType(kit);
     m_runParameters.version = DebuggerKitAspect::version(kit);
 
-    if (QtSupport::QtVersion *qtVersion = QtSupport::QtKitAspect::qtVersion(kit)) {
-        m_runParameters.qtPackageSourceLocation = qtVersion->qtPackageSourcePath().toString();
+    if (QtSupport::QtVersion *qtVersion = QtSupport::QtKitAspect::qtVersion(kit))
         m_runParameters.qtSourceLocation = qtVersion->sourcePath();
-    }
 
     if (auto aspect = runControl->aspect<DebuggerRunConfigurationAspect>()) {
         if (!aspect->useCppDebugger)
diff --git a/src/plugins/qtsupport/baseqtversion.cpp b/src/plugins/qtsupport/baseqtversion.cpp
index a62f0f997cf..fb28d16aa38 100644
--- a/src/plugins/qtsupport/baseqtversion.cpp
+++ b/src/plugins/qtsupport/baseqtversion.cpp
@@ -63,7 +63,6 @@ const char QTVERSIONAUTODETECTED[] = "isAutodetected";
 const char QTVERSIONDETECTIONSOURCE[] = "autodetectionSource";
 const char QTVERSION_OVERRIDE_FEATURES[] = "overrideFeatures";
 const char QTVERSIONQMAKEPATH[] = "QMakePath";
-const char QTVERSIONSOURCEPATH[] = "SourcePath";
 
 const char QTVERSION_ABIS[] = "Abis";
 
@@ -91,7 +90,6 @@ public:
     QString qtVersionString;
 
     FilePath sourcePath;
-    FilePath qtSources;
 
     Utils::FilePath prefix;
 
@@ -148,7 +146,6 @@ public:
 
         result.insert("QtVersionString", qtVersionString);
         result.insert("SourcePath", sourcePath.toSettings());
-        result.insert("QtSources", qtSources.toSettings());
         result.insert("Prefix", prefix.toSettings());
         result.insert("BinPath", binPath.toSettings());
         result.insert("LibExecPath", libExecPath.toSettings());
@@ -187,7 +184,6 @@ public:
         unexpandedDisplayName.fromMap(map, "UnexpandedDisplayName");
         qtVersionString = map.value("QtVersionString").toString();
         sourcePath = FilePath::fromSettings(map.value("SourcePath"));
-        qtSources = FilePath::fromSettings(map.value("QtSources"));
         prefix = FilePath::fromSettings(map.value("Prefix"));
         binPath = FilePath::fromSettings(map.value("BinPath"));
         libExecPath = FilePath::fromSettings(map.value("LibExecPath"));
@@ -769,8 +765,6 @@ void QtVersion::fromMap(const Store &map, const FilePath &filePath, bool forceRe
 
     if (persistentStore && !forceRefreshCache)
         d->m_data.fromMap(*persistentStore);
-    else
-        d->m_data.qtSources = FilePath::fromSettings(map.value(QTVERSIONSOURCEPATH));
 
     Store::const_iterator itQtAbis = map.find(QTVERSION_ABIS);
     if (itQtAbis != map.end()) {
@@ -1046,11 +1040,6 @@ FilePath QtVersion::sourcePath() const
     return d->m_data.sourcePath;
 }
 
-FilePath QtVersion::qtPackageSourcePath() const
-{
-    return d->m_data.qtSources;
-}
-
 FilePath QtVersion::designerFilePath() const
 {
     if (!isValid())
diff --git a/src/plugins/qtsupport/baseqtversion.h b/src/plugins/qtsupport/baseqtversion.h
index da961193c17..fa7f135ac51 100644
--- a/src/plugins/qtsupport/baseqtversion.h
+++ b/src/plugins/qtsupport/baseqtversion.h
@@ -86,8 +86,6 @@ public:
 
     // source path defined by qmake property QT_INSTALL_PREFIX/src or by qmake.stash QT_SOURCE_TREE
     Utils::FilePath sourcePath() const;
-    // returns source path for installed qt packages and empty string for self build qt
-    Utils::FilePath qtPackageSourcePath() const;
     bool isInQtSourceDirectory(const Utils::FilePath &filePath) const;
     bool isQtSubProject(const Utils::FilePath &filePath) const;