diff --git a/lib/cppcheck.cpp b/lib/cppcheck.cpp
index 8bf9d9b7f84..2a960edc7e5 100644
--- a/lib/cppcheck.cpp
+++ b/lib/cppcheck.cpp
@@ -625,10 +625,6 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
 {
     mExitCode = 0;
 
-    // only show debug warnings for accepted C/C++ source files
-    if (!Path::acceptFile(filename))
-        mSettings.debugwarnings = false;
-
     if (Settings::terminated())
         return mExitCode;