diff --git a/src/libs/utils/filepath.cpp b/src/libs/utils/filepath.cpp
index 13aa1b3f6bc..79d9bb5d3e2 100644
--- a/src/libs/utils/filepath.cpp
+++ b/src/libs/utils/filepath.cpp
@@ -1559,8 +1559,7 @@ FilePath FilePath::resolvePath(const FilePath &tail) const
 */
 FilePath FilePath::resolvePath(const QString &tail) const
 {
-   FilePath tailPath = FilePath::fromString(doCleanPath(tail));
-   return resolvePath(tailPath);
+   return resolvePath(FilePath::fromString(tail));
 }
 
 // Cleans path part similar to QDir::cleanPath()
diff --git a/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp b/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
index 8a05bd2bfbc..823f091e6ca 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
@@ -306,8 +306,7 @@ FilePaths CMakeBuildSystem::filesGeneratedFrom(const FilePath &sourceFile) const
 
     if (sourceFile.suffix() == "ui") {
         generatedFilePath = generatedFilePath
-                                .pathAppended("ui_" + sourceFile.completeBaseName() + ".h")
-                                .cleanPath();
+                                .pathAppended("ui_" + sourceFile.completeBaseName() + ".h");
         return {generatedFilePath};
     }
     if (sourceFile.suffix() == "scxml") {
diff --git a/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp b/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
index da791d51642..be182ec43a4 100644
--- a/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
+++ b/src/plugins/cmakeprojectmanager/fileapidataextractor.cpp
@@ -464,7 +464,7 @@ FilePath directorySourceDir(const Configuration &c, const FilePath &sourceDir, i
     const size_t di = static_cast<size_t>(directoryIndex);
     QTC_ASSERT(di < c.directories.size(), return FilePath());
 
-    return sourceDir.resolvePath(c.directories[di].sourcePath).cleanPath();
+    return sourceDir.resolvePath(c.directories[di].sourcePath);
 }
 
 FilePath directoryBuildDir(const Configuration &c, const FilePath &buildDir, int directoryIndex)
@@ -472,7 +472,7 @@ FilePath directoryBuildDir(const Configuration &c, const FilePath &buildDir, int
     const size_t di = static_cast<size_t>(directoryIndex);
     QTC_ASSERT(di < c.directories.size(), return FilePath());
 
-    return buildDir.resolvePath(c.directories[di].buildPath).cleanPath();
+    return buildDir.resolvePath(c.directories[di].buildPath);
 }
 
 void addProjects(const QHash<Utils::FilePath, ProjectNode *> &cmakeListsNodes,
@@ -542,7 +542,7 @@ void addCompileGroups(ProjectNode *targetRoot,
     std::vector<std::vector<std::unique_ptr<FileNode>>> sourceGroupFileNodes{td.sourceGroups.size()};
 
     for (const SourceInfo &si : td.sources) {
-        const FilePath sourcePath = topSourceDirectory.resolvePath(si.path).cleanPath();
+        const FilePath sourcePath = topSourceDirectory.resolvePath(si.path);
 
         // Filter out already known files:
         const int count = alreadyListed.count();
diff --git a/src/plugins/cmakeprojectmanager/fileapiparser.cpp b/src/plugins/cmakeprojectmanager/fileapiparser.cpp
index 0d6eefe6346..4bd91cfbe28 100644
--- a/src/plugins/cmakeprojectmanager/fileapiparser.cpp
+++ b/src/plugins/cmakeprojectmanager/fileapiparser.cpp
@@ -919,9 +919,9 @@ FilePath FileApiParser::scanForCMakeReplyFile(const FilePath &buildDirectory)
 
 FilePaths FileApiParser::cmakeQueryFilePaths(const FilePath &buildDirectory)
 {
-    FilePath queryDir = buildDirectory / CMAKE_RELATIVE_QUERY_PATH;
+    const FilePath queryDir = buildDirectory / CMAKE_RELATIVE_QUERY_PATH;
     return transform(CMAKE_QUERY_FILENAMES, [&queryDir](const QString &name) {
-        return queryDir.resolvePath(FilePath::fromString(name));
+        return queryDir.resolvePath(name);
     });
 }
 
diff --git a/src/plugins/qmakeprojectmanager/makefileparse.cpp b/src/plugins/qmakeprojectmanager/makefileparse.cpp
index bd0f8f657ff..c24450a5105 100644
--- a/src/plugins/qmakeprojectmanager/makefileparse.cpp
+++ b/src/plugins/qmakeprojectmanager/makefileparse.cpp
@@ -252,7 +252,7 @@ MakeFileParse::MakeFileParse(const FilePath &makefile, Mode mode) : m_mode(mode)
     project = project.trimmed();
 
     // Src Pro file
-    m_srcProFile = makefile.parentDir().resolvePath(project).cleanPath();
+    m_srcProFile = makefile.parentDir().resolvePath(project);
     qCDebug(logging()) << "  source .pro file:" << m_srcProFile;
 
     QString command = findQMakeLine(makefile, QLatin1String("# Command:")).trimmed();