diff --git a/Libraries/LibGUI/TextEditor.cpp b/Libraries/LibGUI/TextEditor.cpp
index e434d5b769..e354171ee0 100644
--- a/Libraries/LibGUI/TextEditor.cpp
+++ b/Libraries/LibGUI/TextEditor.cpp
@@ -633,7 +633,7 @@ void TextEditor::move_selected_lines_down()
     update();
 }
 
-int strcmp_utf32(const u32* s1, const u32* s2, size_t n)
+static int strcmp_utf32(const u32* s1, const u32* s2, size_t n)
 {
     while (n-- > 0) {
         if (*s1++ != *s2++)
diff --git a/Libraries/LibGUI/WindowServerConnection.cpp b/Libraries/LibGUI/WindowServerConnection.cpp
index 35eae09015..231760798f 100644
--- a/Libraries/LibGUI/WindowServerConnection.cpp
+++ b/Libraries/LibGUI/WindowServerConnection.cpp
@@ -204,7 +204,7 @@ void WindowServerConnection::handle(const Messages::WindowClient::KeyUp& message
     Core::EventLoop::current().post_event(*window, move(key_event));
 }
 
-MouseButton to_gmousebutton(u32 button)
+static MouseButton to_gmousebutton(u32 button)
 {
     switch (button) {
     case 0: