5 files changed, 8 insertions, 8 deletions
diff --git a/src/gui/windows/chatwindow.cpp b/src/gui/windows/chatwindow.cpp
index 7c4678a7e..0f0970c51 100644
--- a/src/gui/windows/chatwindow.cpp
+++ b/src/gui/windows/chatwindow.cpp
@@ -1929,7 +1929,7 @@ void ChatWindow::saveState() const
 }
 
 bool ChatWindow::saveTab(const int num,
-                         const ChatTab *const tab) const
+                         const ChatTab *const tab)
 {
     if (tab == nullptr)
         return false;
diff --git a/src/gui/windows/chatwindow.h b/src/gui/windows/chatwindow.h
index 654ec2357..8e3a3cec0 100644
--- a/src/gui/windows/chatwindow.h
+++ b/src/gui/windows/chatwindow.h
@@ -238,8 +238,8 @@ class ChatWindow final : public Window,
 
         void saveState() const;
 
-        bool saveTab(const int num,
-                     const ChatTab *const tab) const;
+        static bool saveTab(const int num,
+                            const ChatTab *const tab);
 
         void loadCustomList();
 
diff --git a/src/gui/windows/mailwindow.h b/src/gui/windows/mailwindow.h
index 6b77696cf..90088dc34 100644
--- a/src/gui/windows/mailwindow.h
+++ b/src/gui/windows/mailwindow.h
@@ -68,7 +68,7 @@ class MailWindow final : public Window,
 
         void postConnection();
 
-        void createMail(const std::string &to);
+        static void createMail(const std::string &to);
 
         MailMessage *findMail(const int64_t id) A_WARN_UNUSED;
 
diff --git a/src/gui/windows/npcdialog.h b/src/gui/windows/npcdialog.h
index d0e891d91..7f03593eb 100644
--- a/src/gui/windows/npcdialog.h
+++ b/src/gui/windows/npcdialog.h
@@ -264,9 +264,9 @@ class NpcDialog final : public Window,
 
         void deleteSkinControls();
 
-        void restoreVirtuals();
+        static void restoreVirtuals();
 
-        std::string complexItemToStr(const ComplexItem *const item);
+        static std::string complexItemToStr(const ComplexItem *const item);
 
         BeingId mNpcId;
 
diff --git a/src/gui/windows/skilldialog.h b/src/gui/windows/skilldialog.h
index 575d07088..4546c70b6 100644
--- a/src/gui/windows/skilldialog.h
+++ b/src/gui/windows/skilldialog.h
@@ -217,8 +217,8 @@ class SkillDialog final : public Window,
         SkillInfo *loadSkill(XmlNodeConstPtr node,
                              SkillModel *const model);
 
-        void loadSkillData(XmlNodeConstPtr node,
-                           SkillInfo *const skill);
+        static void loadSkillData(XmlNodeConstPtr node,
+                                  SkillInfo *const skill);
 
         void addDefaultTab();