diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
index af056b56058..8c74ca214dd 100644
--- a/.github/workflows/CI-unixish.yml
+++ b/.github/workflows/CI-unixish.yml
@@ -510,7 +510,7 @@ jobs:
           ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json cli lib || ec=1
           # check gui with qt settings
           mkdir b2
-          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b2 -DQT_VERSION=0x050000 -DQ_MOC_OUTPUT_REVISION=67 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui || ec=1
+          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b2 -DQT_VERSION=0x050000 -DQ_MOC_OUTPUT_REVISION=67 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui -igui/test/data gui/*.cpp gui/test cmake.output/gui || ec=1
           # self check test and tools
           ./cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/*.cpp || ec=1
           # triage
diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
index d0a1c29c32a..ae60e148bfa 100644
--- a/.github/workflows/asan.yml
+++ b/.github/workflows/asan.yml
@@ -95,7 +95,7 @@ jobs:
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals/simplecpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli lib || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui -igui/test/data gui/*.cpp cmake.output/gui/*.cpp gui/test || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt -Icmake.output/tools/triage -Igui tools/triage/*.cpp cmake.output/tools/triage/*.cpp || ec=1
           exit $ec
diff --git a/.github/workflows/tsan.yml b/.github/workflows/tsan.yml
index fdb17dae7a1..e5a9ff001d7 100644
--- a/.github/workflows/tsan.yml
+++ b/.github/workflows/tsan.yml
@@ -94,7 +94,7 @@ jobs:
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals/simplecpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json -DCHECK_INTERNAL cli lib || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui -igui/test/data gui/*.cpp cmake.output/gui/*.cpp gui/test || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt -Icmake.output/tools/triage -Igui tools/triage/*.cpp cmake.output/tools/triage/*.cpp || ec=1
           exit $ec
diff --git a/.github/workflows/ubsan.yml b/.github/workflows/ubsan.yml
index 65444898737..6a30584087b 100644
--- a/.github/workflows/ubsan.yml
+++ b/.github/workflows/ubsan.yml
@@ -91,7 +91,7 @@ jobs:
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals/simplecpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli lib || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui -igui/test/data gui/*.cpp cmake.output/gui/*.cpp gui/test || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt -Icmake.output/tools/triage -Igui tools/triage/*.cpp cmake.output/tools/triage/*.cpp || ec=1
           exit $ec
diff --git a/gui/test/cppchecklibrarydata/testcppchecklibrarydata.cpp b/gui/test/cppchecklibrarydata/testcppchecklibrarydata.cpp
index 015e8a60dec..4973a00d416 100644
--- a/gui/test/cppchecklibrarydata/testcppchecklibrarydata.cpp
+++ b/gui/test/cppchecklibrarydata/testcppchecklibrarydata.cpp
@@ -607,7 +607,7 @@ void TestCppcheckLibraryData::loadCfgFile(const QString &filename, CppcheckLibra
     }
 }
 
-void TestCppcheckLibraryData::saveCfgFile(const QString &filename, CppcheckLibraryData &data)
+void TestCppcheckLibraryData::saveCfgFile(const QString &filename, const CppcheckLibraryData &data)
 {
     QFile file(filename);
     QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Text));
diff --git a/gui/test/cppchecklibrarydata/testcppchecklibrarydata.h b/gui/test/cppchecklibrarydata/testcppchecklibrarydata.h
index 079436f5509..dec116bff65 100644
--- a/gui/test/cppchecklibrarydata/testcppchecklibrarydata.h
+++ b/gui/test/cppchecklibrarydata/testcppchecklibrarydata.h
@@ -46,11 +46,13 @@ private slots:
 
 private:
     static void loadCfgFile(const QString &filename, CppcheckLibraryData &data, QString &res, bool removeFile = false);
-    static void saveCfgFile(const QString &filename, CppcheckLibraryData &data);
+    static void saveCfgFile(const QString &filename, const CppcheckLibraryData &data);
 
+    // cppcheck-suppress-begin naming-privateMemberVariable
     CppcheckLibraryData libraryData;
     CppcheckLibraryData fileLibraryData;
     QString result;
 
     static const QString TempCfgFile;
+    // cppcheck-suppress-end naming-privateMemberVariable
 };
diff --git a/gui/test/projectfile/testprojectfile.cpp b/gui/test/projectfile/testprojectfile.cpp
index 6e5e73b0f06..44523b3b659 100644
--- a/gui/test/projectfile/testprojectfile.cpp
+++ b/gui/test/projectfile/testprojectfile.cpp
@@ -20,7 +20,9 @@
 
 #include "addoninfo.h"
 #include "importproject.h"
+// cppcheck-suppress-begin uninitMemberVar
 #include "platform.h"
+// cppcheck-suppress-end uninitMemberVar
 #include "projectfile.h"
 #include "settings.h"
 
@@ -36,7 +38,7 @@ const char Settings::SafeChecks::XmlClasses[] = "class-public";
 const char Settings::SafeChecks::XmlExternalFunctions[] = "external-functions";
 const char Settings::SafeChecks::XmlInternalFunctions[] = "internal-functions";
 const char Settings::SafeChecks::XmlExternalVariables[] = "external-variables";
-Settings::Settings() : maxCtuDepth(10) {}
+Settings::Settings() : performanceValueFlowMaxIfCount(), performanceValueFlowMaxSubFunctionArgs() {}
 Platform::Platform() = default;
 bool ImportProject::sourceFileExists(const std::string & /*file*/) {
     return true;