diff --git a/deps/teagba/include/teagba/gfx.hpp b/deps/teagba/include/teagba/gfx.hpp
index fdee0378e..8c2b6a034 100644
--- a/deps/teagba/include/teagba/gfx.hpp
+++ b/deps/teagba/include/teagba/gfx.hpp
@@ -36,9 +36,6 @@ struct OX_ALIGN8 GbaSpriteAttrUpdate {
 
 };
 
-extern volatile uint16_t g_spriteUpdates;
-extern ox::Array<GbaSpriteAttrUpdate, 128> g_spriteBuffer;
-
 void addSpriteUpdate(const GbaSpriteAttrUpdate &upd) noexcept;
 
 void applySpriteUpdates() noexcept;
diff --git a/deps/teagba/src/gfx.cpp b/deps/teagba/src/gfx.cpp
index 2148dfac3..8db190b77 100644
--- a/deps/teagba/src/gfx.cpp
+++ b/deps/teagba/src/gfx.cpp
@@ -10,8 +10,8 @@
 
 namespace teagba {
 
-volatile uint16_t g_spriteUpdates = 0;
-ox::Array<GbaSpriteAttrUpdate, 128> g_spriteBuffer;
+static volatile uint16_t g_spriteUpdates = 0;
+static ox::Array<GbaSpriteAttrUpdate, 128> g_spriteBuffer;
 
 void addSpriteUpdate(const GbaSpriteAttrUpdate &upd) noexcept {
 	// block until g_spriteUpdates is less than buffer len