diff --git a/src/lib/common/DataDirectories.h b/src/lib/common/DataDirectories.h
index 6b990c20..783ff138 100644
--- a/src/lib/common/DataDirectories.h
+++ b/src/lib/common/DataDirectories.h
@@ -32,9 +32,6 @@ public:
     static const std::string& systemconfig(const std::string& path);
 
 private:
-    // static class
-    DataDirectories() {}
-
     static std::string _profile;
     static std::string _global;
     static std::string _systemconfig;
diff --git a/src/lib/common/PathUtilities.h b/src/lib/common/PathUtilities.h
index 70b85b4c..30313243 100644
--- a/src/lib/common/PathUtilities.h
+++ b/src/lib/common/PathUtilities.h
@@ -24,8 +24,4 @@ class PathUtilities
 public:
     static std::string basename(const std::string& path);
     static std::string concat(const std::string& left, const std::string& right);
-
-private:
-    // static class
-    PathUtilities() {}
 };
diff --git a/src/lib/platform/ImmuneKeysReader.h b/src/lib/platform/ImmuneKeysReader.h
index b46cbbe8..536dd45f 100644
--- a/src/lib/platform/ImmuneKeysReader.h
+++ b/src/lib/platform/ImmuneKeysReader.h
@@ -27,8 +27,4 @@ class ImmuneKeysReader
 {
 public:
     static bool get_list(const char * const path, std::vector<DWORD> &keys, std::string &badLine);
-
-private:
-    // static class
-    explicit ImmuneKeysReader() {}
 };