diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6d0befa4cd825d9f25234de2912a5d892884003d..8fe0240f5226831847be6e54ac5e2a8a2889a0aa 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-01-29  Richard Henderson  <rth@redhat.com>
+
+	* config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.
+
 2002-01-29  Richard Henderson  <rth@redhat.com>
 
 	* expr.c (force_operand): Ignore flag_pic for detecting pic
diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h
index b4ed0d023bf52890cb370ca4cf91230f3fe7cee9..cf33a9eaeea4eecb35101f8f71eaf55ccd1edf01 100644
--- a/gcc/config/alpha/elf.h
+++ b/gcc/config/alpha/elf.h
@@ -24,6 +24,9 @@ Boston, MA 02111-1307, USA.    */
 #undef EXTENDED_COFF
 #define OBJECT_FORMAT_ELF
 
+/* ??? Move all SDB stuff from alpha.h to osf.h.  */
+#undef SDB_DEBUGGING_INFO
+
 #define DBX_DEBUGGING_INFO
 #define DWARF2_DEBUGGING_INFO