diff --git a/code/__DEFINES/__512_compatibility_sandstorm.dm b/code/__DEFINES/__512_compatibility_sandstorm.dm
deleted file mode 100644
index 6ab31d508f..0000000000
--- a/code/__DEFINES/__512_compatibility_sandstorm.dm
+++ /dev/null
@@ -1,39 +0,0 @@
-#if DM_VERSION < 513
-
-#define ismovable(A) (istype(A, /atom/movable))
-
-#define islist(L) (istype(L, /list))
-
-#define clamp(CLVALUE,CLMIN,CLMAX) ( max( (CLMIN), min((CLVALUE), (CLMAX)) ) )
-
-#define TAN(x) (sin(x) / cos(x))
-
-#define ATAN2(x, y) ( !(x) && !(y) ? 0 : (y) >= 0 ? arccos((x) / sqrt((x)*(x) + (y)*(y))) : -arccos((x) / sqrt((x)*(x) + (y)*(y))) )
-
-#define arctan(x) (arcsin(x/sqrt(1+x*x)))
-
-#else
-
-#define TAN(x) tan(x)
-
-#define ATAN2(x, y) arctan(x, y)
-
-#endif
-
-#if DM_BUILD < 1493
-#define length_char(args...) length(args)
-#define text2ascii_char(args...) text2ascii(args)
-#define copytext_char(args...) copytext(args)
-#define splittext_char(args...) splittext(args)
-#define spantext_char(args...) spantext(args)
-#define nonspantext_char(args...) nonspantext(args)
-#define findtext_char(args...) findtext(args)
-#define findtextEx_char(args...) findtextEx(args)
-#define findlasttext_char(args...) findlasttext(args)
-#define findlasttextEx_char(args...) findlasttextEx(args)
-#define replacetext_char(args...) replacetext(args)
-#define replacetextEx_char(args...) replacetextEx(args)
-// /regex procs
-#define Find_char(args...) Find(args)
-#define Replace_char(args...) Replace(args)
-#endif
diff --git a/tgstation.dme b/tgstation.dme
index 59b21b19e1..d1688d77d8 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -17,7 +17,6 @@
 #include "_maps\_basemap.dm"
 #include "code\_compile_options.dm"
 #include "code\world.dm"
-#include "code\__DEFINES\__512_compatibility_sandstorm.dm"
 #include "code\__DEFINES\_globals.dm"
 #include "code\__DEFINES\_protect.dm"
 #include "code\__DEFINES\_tick.dm"