diff --git a/aegisub/src/video_provider_cache.cpp b/aegisub/src/video_provider_cache.cpp
index 6c018af43..6778ed597 100644
--- a/aegisub/src/video_provider_cache.cpp
+++ b/aegisub/src/video_provider_cache.cpp
@@ -49,7 +49,10 @@
 VideoProviderCache::VideoProviderCache(VideoProvider *parent) {
 	master = parent;
 	cacheMax = 0;
-	parent->WantsCaching() ? SetCacheMax(1) : SetCacheMax(0);
+	if (parent->WantsCaching())
+		cacheMax = Options.AsInt(_T("Video cache size")) << 20; // convert MB to bytes
+	else
+		cacheMax = 0;
 }
 
 
@@ -89,17 +92,6 @@ const AegiVideoFrame VideoProviderCache::GetFrame(int n) {
 	return *srcFrame;
 }
 
-/// @brief Set maximum cache size 
-/// @param n 
-///
-void VideoProviderCache::SetCacheMax(int n) {
-	if (n <= 0)
-		cacheMax = 0;
-	else
-		cacheMax = Options.AsInt(_T("Video cache size")) << 20; // convert MB to bytes
-}
-
-
 
 /// @brief Add to cache 
 /// @param n     
diff --git a/aegisub/src/video_provider_cache.h b/aegisub/src/video_provider_cache.h
index 222f86889..c73faf307 100644
--- a/aegisub/src/video_provider_cache.h
+++ b/aegisub/src/video_provider_cache.h
@@ -88,7 +88,6 @@ private:
 
 protected:
 	// Cache functions
-	void SetCacheMax(int n_frames);
 	unsigned GetCurCacheSize();
 	void ClearCache();