diff --git a/src/events.cpp b/src/events.cpp
index aa61793f416..8304d1436b1 100644
--- a/src/events.cpp
+++ b/src/events.cpp
@@ -325,13 +325,13 @@ const Uint32 resize_timeout = 100;
 SDL_Event last_resize_event;
 bool last_resize_event_used = true;
 
-bool resize_comparer(SDL_Event a, SDL_Event b) {
+static bool resize_comparer(SDL_Event a, SDL_Event b) {
 	return a.type == SDL_WINDOWEVENT && a.type == b.type &&
 			a.window.event == SDL_WINDOWEVENT_RESIZED &&
 			a.window.event == b.window.event;
 }
 
-bool remove_on_resize(const SDL_Event &a) {
+static bool remove_on_resize(const SDL_Event &a) {
 	if (a.type == DRAW_EVENT) {
 		return true;
 	}