diff --git a/Source/Core/VideoBackends/OGL/StreamBuffer.h b/Source/Core/VideoBackends/OGL/StreamBuffer.h
index ba1f78944c..ab55fb865b 100644
--- a/Source/Core/VideoBackends/OGL/StreamBuffer.h
+++ b/Source/Core/VideoBackends/OGL/StreamBuffer.h
@@ -33,7 +33,7 @@ public:
 	virtual std::pair<u8*, u32> Map(u32 size) = 0;
 	virtual void Unmap(u32 used_size) = 0;
 
-	inline std::pair<u8*, u32> Map(u32 size, u32 stride)
+	std::pair<u8*, u32> Map(u32 size, u32 stride)
 	{
 		u32 padding = m_iterator % stride;
 		if (padding)
@@ -60,7 +60,7 @@ protected:
 
 private:
 	static const int SYNC_POINTS = 16;
-	inline int SLOT(u32 x) const { return x >> m_bit_per_slot; }
+	int SLOT(u32 x) const { return x >> m_bit_per_slot; }
 	const int m_bit_per_slot;
 
 	GLsync fences[SYNC_POINTS];