diff --git a/src/plugins/cmakeprojectmanager/cmakeparser.cpp b/src/plugins/cmakeprojectmanager/cmakeparser.cpp
index b425adb5ea8..d31ee71daf2 100644
--- a/src/plugins/cmakeprojectmanager/cmakeparser.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeparser.cpp
@@ -30,7 +30,6 @@
 #include <projectexplorer/projectexplorerconstants.h>
 
 using namespace CMakeProjectManager;
-using namespace Internal;
 using namespace ProjectExplorer;
 
 const char COMMON_ERROR_PATTERN[] = "^CMake Error at (.*):([0-9]*) \\((.*)\\):";
@@ -141,7 +140,7 @@ void CMakeParser::doFlush()
 
 #include <QTest>
 
-void CMakeProjectPlugin::testCMakeParser_data()
+void Internal::CMakeProjectPlugin::testCMakeParser_data()
 {
     QTest::addColumn<QString>("input");
     QTest::addColumn<OutputParserTester::Channel>("inputChannel");
@@ -265,7 +264,7 @@ void CMakeProjectPlugin::testCMakeParser_data()
             << QString();
 }
 
-void CMakeProjectPlugin::testCMakeParser()
+void Internal::CMakeProjectPlugin::testCMakeParser()
 {
     OutputParserTester testbench;
     testbench.appendOutputParser(new CMakeParser);
diff --git a/src/plugins/cmakeprojectmanager/cmakeparser.h b/src/plugins/cmakeprojectmanager/cmakeparser.h
index 877051f276e..f8ea4464818 100644
--- a/src/plugins/cmakeprojectmanager/cmakeparser.h
+++ b/src/plugins/cmakeprojectmanager/cmakeparser.h
@@ -25,15 +25,16 @@
 
 #pragma once
 
+#include "cmake_global.h"
+
 #include <projectexplorer/ioutputparser.h>
 #include <projectexplorer/task.h>
 
 #include <QRegularExpression>
 
 namespace CMakeProjectManager {
-namespace Internal {
 
-class CMakeParser : public ProjectExplorer::IOutputParser
+class CMAKE_EXPORT CMakeParser : public ProjectExplorer::IOutputParser
 {
     Q_OBJECT
 
@@ -58,4 +59,3 @@ private:
 };
 
 } // namespace CMakeProjectManager
-} // namespace Internal