diff --git a/cli/cppcheckexecutor.cpp b/cli/cppcheckexecutor.cpp
index cb07f3f35..06dcd5972 100644
--- a/cli/cppcheckexecutor.cpp
+++ b/cli/cppcheckexecutor.cpp
@@ -285,13 +285,13 @@ int CppCheckExecutor::check_internal(CppCheck& cppcheck)
     unsigned int returnValue = 0;
     if (settings.useSingleJob()) {
         // Single process
-        SingleExecutor executor(cppcheck, mFiles, settings, *this);
+        SingleExecutor executor(cppcheck, mFiles, settings, settings.nomsg, *this);
         returnValue = executor.check();
     } else {
 #if defined(THREADING_MODEL_THREAD)
-        ThreadExecutor executor(mFiles, settings, *this);
+        ThreadExecutor executor(mFiles, settings, settings.nomsg, *this);
 #elif defined(THREADING_MODEL_FORK)
-        ProcessExecutor executor(mFiles, settings, *this);
+        ProcessExecutor executor(mFiles, settings, settings.nomsg, *this);
 #endif
         returnValue = executor.check();
     }
diff --git a/cli/executor.cpp b/cli/executor.cpp
index 7185db07b..489d9f895 100644
--- a/cli/executor.cpp
+++ b/cli/executor.cpp
@@ -27,8 +27,8 @@
 #include <sstream> // IWYU pragma: keep
 #include <utility>
 
-Executor::Executor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger)
-    : mFiles(files), mSettings(settings), mErrorLogger(errorLogger)
+Executor::Executor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger)
+    : mFiles(files), mSettings(settings), mSuppressions(suppressions), mErrorLogger(errorLogger)
 {}
 
 Executor::~Executor()
@@ -36,7 +36,7 @@ Executor::~Executor()
 
 bool Executor::hasToLog(const ErrorMessage &msg)
 {
-    if (!mSettings.nomsg.isSuppressed(msg))
+    if (!mSuppressions.isSuppressed(msg))
     {
         std::string errmsg = msg.toString(mSettings.verbose);
 
diff --git a/cli/executor.h b/cli/executor.h
index f8f010c2d..1b7db25e7 100644
--- a/cli/executor.h
+++ b/cli/executor.h
@@ -28,6 +28,7 @@
 class Settings;
 class ErrorLogger;
 class ErrorMessage;
+class Suppressions;
 
 /// @addtogroup CLI
 /// @{
@@ -38,7 +39,7 @@ class ErrorMessage;
  */
 class Executor {
 public:
-    Executor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
+    Executor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger);
     virtual ~Executor();
 
     Executor(const Executor &) = delete;
@@ -65,7 +66,8 @@ protected:
     bool hasToLog(const ErrorMessage &msg);
 
     const std::map<std::string, std::size_t> &mFiles;
-    Settings &mSettings;
+    const Settings &mSettings;
+    Suppressions &mSuppressions;
     ErrorLogger &mErrorLogger;
 
 private:
diff --git a/cli/processexecutor.cpp b/cli/processexecutor.cpp
index e6aca40ee..445b545f8 100644
--- a/cli/processexecutor.cpp
+++ b/cli/processexecutor.cpp
@@ -61,8 +61,8 @@ enum class Color;
 using std::memset;
 
 
-ProcessExecutor::ProcessExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger)
-    : Executor(files, settings, errorLogger)
+ProcessExecutor::ProcessExecutor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger)
+    : Executor(files, settings, suppressions, errorLogger)
 {
     assert(mSettings.jobs > 1);
 }
@@ -391,7 +391,7 @@ void ProcessExecutor::reportInternalChildErr(const std::string &childname, const
                               "cppcheckError",
                               Certainty::normal);
 
-    if (!mSettings.nomsg.isSuppressed(errmsg))
+    if (!mSuppressions.isSuppressed(errmsg))
         mErrorLogger.reportErr(errmsg);
 }
 
diff --git a/cli/processexecutor.h b/cli/processexecutor.h
index c472fe895..4b51d596a 100644
--- a/cli/processexecutor.h
+++ b/cli/processexecutor.h
@@ -27,6 +27,7 @@
 
 class Settings;
 class ErrorLogger;
+class Suppressions;
 
 /// @addtogroup CLI
 /// @{
@@ -37,7 +38,7 @@ class ErrorLogger;
  */
 class ProcessExecutor : public Executor {
 public:
-    ProcessExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
+    ProcessExecutor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger);
     ProcessExecutor(const ProcessExecutor &) = delete;
     ~ProcessExecutor() override;
     void operator=(const ProcessExecutor &) = delete;
diff --git a/cli/singleexecutor.cpp b/cli/singleexecutor.cpp
index ce7476f3d..4de711a2c 100644
--- a/cli/singleexecutor.cpp
+++ b/cli/singleexecutor.cpp
@@ -30,8 +30,8 @@
 
 class ErrorLogger;
 
-SingleExecutor::SingleExecutor(CppCheck &cppcheck, const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger)
-    : Executor(files, settings, errorLogger)
+SingleExecutor::SingleExecutor(CppCheck &cppcheck, const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger)
+    : Executor(files, settings, suppressions, errorLogger)
     , mCppcheck(cppcheck)
 {
     assert(mSettings.jobs == 1);
diff --git a/cli/singleexecutor.h b/cli/singleexecutor.h
index 74143be7c..4ca53768b 100644
--- a/cli/singleexecutor.h
+++ b/cli/singleexecutor.h
@@ -28,11 +28,12 @@
 class ErrorLogger;
 class Settings;
 class CppCheck;
+class Suppressions;
 
 class SingleExecutor : public Executor
 {
 public:
-    SingleExecutor(CppCheck &cppcheck, const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
+    SingleExecutor(CppCheck &cppcheck, const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger);
     SingleExecutor(const SingleExecutor &) = delete;
     ~SingleExecutor() override;
     void operator=(const SingleExecutor &) = delete;
diff --git a/cli/threadexecutor.cpp b/cli/threadexecutor.cpp
index 8efdfeea7..26c3c03aa 100644
--- a/cli/threadexecutor.cpp
+++ b/cli/threadexecutor.cpp
@@ -40,8 +40,8 @@
 
 enum class Color;
 
-ThreadExecutor::ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger)
-    : Executor(files, settings, errorLogger)
+ThreadExecutor::ThreadExecutor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger)
+    : Executor(files, settings, suppressions, errorLogger)
 {
     assert(mSettings.jobs > 1);
 }
diff --git a/cli/threadexecutor.h b/cli/threadexecutor.h
index 5c24dfe0c..62ad8e0a8 100644
--- a/cli/threadexecutor.h
+++ b/cli/threadexecutor.h
@@ -27,6 +27,7 @@
 
 class Settings;
 class ErrorLogger;
+class Suppressions;
 
 /// @addtogroup CLI
 /// @{
@@ -37,7 +38,7 @@ class ErrorLogger;
  */
 class ThreadExecutor : public Executor {
 public:
-    ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger);
+    ThreadExecutor(const std::map<std::string, std::size_t> &files, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger);
     ThreadExecutor(const ThreadExecutor &) = delete;
     ~ThreadExecutor() override;
     void operator=(const ThreadExecutor &) = delete;
diff --git a/test/testprocessexecutor.cpp b/test/testprocessexecutor.cpp
index 100aaa580..f9cf2d0d9 100644
--- a/test/testprocessexecutor.cpp
+++ b/test/testprocessexecutor.cpp
@@ -82,7 +82,7 @@ private:
         if (opt.plistOutput)
             settings.plistOutput = opt.plistOutput;
         // TODO: test with settings.project.fileSettings;
-        ProcessExecutor executor(filemap, settings, *this);
+        ProcessExecutor executor(filemap, settings, settings.nomsg, *this);
         std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
         scopedfiles.reserve(filemap.size());
         for (std::map<std::string, std::size_t>::const_iterator i = filemap.cbegin(); i != filemap.cend(); ++i)
diff --git a/test/testsingleexecutor.cpp b/test/testsingleexecutor.cpp
index beb1dd78f..9208ca72e 100644
--- a/test/testsingleexecutor.cpp
+++ b/test/testsingleexecutor.cpp
@@ -117,7 +117,7 @@ private:
             filemap.clear();
 
         // TODO: test with settings.project.fileSettings;
-        SingleExecutor executor(cppcheck, filemap, settings, *this);
+        SingleExecutor executor(cppcheck, filemap, settings, settings.nomsg, *this);
         ASSERT_EQUALS(result, executor.check());
     }
 
diff --git a/test/testsuppressions.cpp b/test/testsuppressions.cpp
index 22061415b..f1c6a7d8a 100644
--- a/test/testsuppressions.cpp
+++ b/test/testsuppressions.cpp
@@ -206,7 +206,7 @@ private:
         if (!suppression.empty()) {
             EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
         }
-        SingleExecutor executor(cppCheck, files, settings, *this);
+        SingleExecutor executor(cppCheck, files, settings, settings.nomsg, *this);
         std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
         scopedfiles.reserve(files.size());
         for (std::map<std::string, std::string>::const_iterator i = f.cbegin(); i != f.cend(); ++i)
@@ -233,7 +233,7 @@ private:
         if (!suppression.empty()) {
             EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
         }
-        ThreadExecutor executor(files, settings, *this);
+        ThreadExecutor executor(files, settings, settings.nomsg, *this);
         std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
         scopedfiles.reserve(files.size());
         for (std::map<std::string, std::size_t>::const_iterator i = files.cbegin(); i != files.cend(); ++i)
@@ -261,7 +261,7 @@ private:
         if (!suppression.empty()) {
             EXPECT_EQ("", settings.nomsg.addSuppressionLine(suppression));
         }
-        ProcessExecutor executor(files, settings, *this);
+        ProcessExecutor executor(files, settings, settings.nomsg, *this);
         std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
         scopedfiles.reserve(files.size());
         for (std::map<std::string, std::size_t>::const_iterator i = files.cbegin(); i != files.cend(); ++i)
diff --git a/test/testthreadexecutor.cpp b/test/testthreadexecutor.cpp
index d438dfa13..8d7f11bc5 100644
--- a/test/testthreadexecutor.cpp
+++ b/test/testthreadexecutor.cpp
@@ -83,7 +83,7 @@ private:
         if (opt.plistOutput)
             settings1.plistOutput = opt.plistOutput;
         // TODO: test with settings.project.fileSettings;
-        ThreadExecutor executor(filemap, settings1, *this);
+        ThreadExecutor executor(filemap, settings1, settings1.nomsg, *this);
         std::vector<std::unique_ptr<ScopedFile>> scopedfiles;
         scopedfiles.reserve(filemap.size());
         for (std::map<std::string, std::size_t>::const_iterator i = filemap.cbegin(); i != filemap.cend(); ++i)