diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6c57440f1..74f97048b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -77,7 +77,6 @@ set(SRB2_CORE_HEADERS
 	b_bot.h
 	byteptr.h
 	command.h
-	comptime.h
 	console.h
 	d_clisrv.h
 	d_event.h
diff --git a/src/m_misc.c b/src/m_misc.c
index 73d17c00d..3e4be62a2 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -50,7 +50,9 @@
 #ifdef HAVE_SDL
 #include "sdl/hwsym_sdl.h"
 #ifdef __linux__
+#ifndef _LARGEFILE64_SOURCE
 typedef off_t off64_t;
+#neidf
 #endif
 #endif