diff --git a/src/compiler/compiler.c b/src/compiler/compiler.c
index a8c4f7873..82e5e615d 100644
--- a/src/compiler/compiler.c
+++ b/src/compiler/compiler.c
@@ -1645,46 +1645,3 @@ void print_build_env(void)
 	printf("env::WIN32        : %s\n", compiler.platform.os == OS_TYPE_WIN32 ? "true" : "false");
 	printf("env::LIBC         : %s\n", link_libc() ? "true" : "false");
 }
-
-const char *os_type_to_string(OsType os)
-{
-	switch (os)
-	{
-		case OS_TYPE_UNKNOWN: return "UNKNOWN";
-		case OS_TYPE_NONE: return "NONE";
-		case OS_TYPE_ANANAS: return "ANANAS";
-		case OS_TYPE_CLOUD_ABI: return "CLOUD_ABI";
-		case OS_TYPE_DRAGON_FLY: return "DRAGON_FLY";
-		case OS_TYPE_FUCHSIA: return "FUCHSIA";
-		case OS_TYPE_IOS: return "IOS";
-		case OS_TYPE_KFREEBSD: return "KFREEBSD";
-		case OS_TYPE_LINUX: return "LINUX";
-		case OS_TYPE_PS3: return "PS3";
-		case OS_TYPE_MACOSX: return "MACOSX";
-		case OS_TYPE_NETBSD: return "NETBSD";
-		case OS_TYPE_OPENBSD: return "OPENBSD";
-		case OS_TYPE_SOLARIS: return "SOLARIS";
-		case OS_TYPE_WIN32: return "WIN32";
-		case OS_TYPE_HAIKU: return "HAIKU";
-		case OS_TYPE_MINIX: return "MINIX";
-		case OS_TYPE_RTEMS: return "RTEMS";
-		case OS_TYPE_NACL: return "NACL";
-		case OS_TYPE_CNK: return "CNK";
-		case OS_TYPE_AIX: return "AIX";
-		case OS_TYPE_CUDA: return "CUDA";
-		case OS_TYPE_NVOPENCL: return "NVOPENCL";
-		case OS_TYPE_AMDHSA: return "AMDHSA";
-		case OS_TYPE_PS4: return "PS4";
-		case OS_TYPE_ELFIAMCU: return "ELFIAMCU";
-		case OS_TYPE_TVOS: return "TVOS";
-		case OS_TYPE_WATCHOS: return "WATCHOS";
-		case OS_TYPE_MESA3D: return "MESA3D";
-		case OS_TYPE_CONTIKI: return "CONTIKI";
-		case OS_TYPE_AMDPAL: return "AMDPAL";
-		case OS_TYPE_HERMITCORE: return "HERMITCORE";
-		case OS_TYPE_HURD: return "HURD";
-		case OS_TYPE_WASI: return "WASI";
-		case OS_TYPE_EMSCRIPTEN: return "EMSCRIPTEN";
-		default: return "UNKNOWN";
-	}
-}