Fix build on CHENEYGC targets.

[sbcl.git] / src / runtime / thread.h

diff --git a/src/runtime/thread.h b/src/runtime/thread.h
index fcc51b0..b8b99d3 100644 (file)
--- a/src/runtime/thread.h
+++ b/src/runtime/thread.h
@@ -10,8 +10,6 @@
 #include "os.h"
 #ifdef LISP_FEATURE_GENCGC
 #include "gencgc-alloc-region.h"
-#else
-struct alloc_region { };
 #endif
 #include "genesis/symbol.h"
 #include "genesis/static-symbols.h"