diff --git a/src/plugins/cpptools/cppmodelmanager.cpp b/src/plugins/cpptools/cppmodelmanager.cpp
index da453017822..4046a1bbd2a 100644
--- a/src/plugins/cpptools/cppmodelmanager.cpp
+++ b/src/plugins/cpptools/cppmodelmanager.cpp
@@ -481,8 +481,6 @@ ProjectExplorer::Macros CppModelManager::internalDefinedMacros() const
         for (const ProjectPart::Ptr &part : pinfo.projectParts()) {
             addUnique(part->toolChainMacros, macros, alreadyIn);
             addUnique(part->projectMacros, macros, alreadyIn);
-            if (!part->projectConfigFile.isEmpty())
-                macros += ProjectExplorer::Macro::toMacros(ProjectPart::readProjectConfigFile(part));
         }
     }
     return macros;
diff --git a/src/plugins/cpptools/cppprojectinfogenerator.cpp b/src/plugins/cpptools/cppprojectinfogenerator.cpp
index 2be82ea6b47..4a76052c666 100644
--- a/src/plugins/cpptools/cppprojectinfogenerator.cpp
+++ b/src/plugins/cpptools/cppprojectinfogenerator.cpp
@@ -190,6 +190,8 @@ static ProjectPart::Ptr projectPartFromRawProjectPart(const RawProjectPart &rawP
     part->buildTargetType = rawProjectPart.buildTargetType;
     part->qtVersion = rawProjectPart.qtVersion;
     part->projectMacros = rawProjectPart.projectMacros;
+    if (!part->projectConfigFile.isEmpty())
+        part->projectMacros += ProjectExplorer::Macro::toMacros(ProjectPart::readProjectConfigFile(part));
     part->headerPaths = rawProjectPart.headerPaths;
     part->precompiledHeaders = rawProjectPart.precompiledHeaders;
     part->selectedForBuilding = rawProjectPart.selectedForBuilding;