diff --git a/src/3dsystem/scalespr.c b/src/3dsystem/scalespr.c
index 57b243e9e..2bad1c875 100644
--- a/src/3dsystem/scalespr.c
+++ b/src/3dsystem/scalespr.c
@@ -121,11 +121,3 @@ const int16_t *S_DrawRoomSprites(const int16_t *obj_ptr, int32_t vertex_count)
 
     return obj_ptr;
 }
-
-void T1MInject3DSystemScaleSpr()
-{
-    INJECT(0x00435910, S_DrawSprite);
-    INJECT(0x00435B70, S_DrawSpriteRel);
-    INJECT(0x00435D80, S_DrawUISprite);
-    INJECT(0x00435ED0, S_DrawRoomSprites);
-}
diff --git a/src/3dsystem/scalespr.h b/src/3dsystem/scalespr.h
index 2a463531e..ddcca50a0 100644
--- a/src/3dsystem/scalespr.h
+++ b/src/3dsystem/scalespr.h
@@ -12,6 +12,4 @@ void S_DrawUISprite(
 
 const int16_t *S_DrawRoomSprites(const int16_t *obj_ptr, int32_t vertex_count);
 
-void T1MInject3DSystemScaleSpr();
-
 #endif
diff --git a/src/inject.c b/src/inject.c
index 550c04d53..363ebc9e7 100644
--- a/src/inject.c
+++ b/src/inject.c
@@ -1,6 +1,5 @@
 #include "inject.h"
 
-#include "3dsystem/scalespr.h"
 #include "specific/ati.h"
 #include "specific/display.h"
 #include "specific/file.h"
@@ -15,7 +14,6 @@
 
 void T1MInject()
 {
-    T1MInject3DSystemScaleSpr();
     T1MInjectSpecificATI();
     T1MInjectSpecificDisplay();
     T1MInjectSpecificFile();