diff --git a/gdb/m88k-tdep.c b/gdb/m88k-tdep.c
index 4927878010..71407f3094 100644
--- a/gdb/m88k-tdep.c
+++ b/gdb/m88k-tdep.c
@@ -39,12 +39,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <sys/ioctl.h>
 #include <fcntl.h>
 
-#ifdef COFF_ENCAPSULATE
-#include "a.out.encap.h"
-#else
-#include <a.out.h>
-#endif
-
 #include <sys/file.h>
 #include <sys/stat.h>
 
diff --git a/gdb/m88k-xdep.c b/gdb/m88k-xdep.c
index 56e74783ff..2247b15e1e 100644
--- a/gdb/m88k-xdep.c
+++ b/gdb/m88k-xdep.c
@@ -37,13 +37,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #endif
 #include <sys/ioctl.h>
 #include <fcntl.h>
-
-#ifdef COFF_ENCAPSULATE
-#include "a.out.encap.h"
-#else
-#include <a.out.h>
-#endif
-
 #include <sys/file.h>
 #include <sys/stat.h>