diff --git a/config/opal_config_asm.m4 b/config/opal_config_asm.m4
index ee04917e8b..e5d0719ec2 100644
--- a/config/opal_config_asm.m4
+++ b/config/opal_config_asm.m4
@@ -1220,7 +1220,7 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
 
          # format:
          #   config_file-text-global-label_suffix-gsym-lsym-type-size-align_log-ppc_r_reg-64_bit-gnu_stack
-         asm_format="${opal_asm_arch_config}"
+         asm_format="default"
          asm_format="${asm_format}-${opal_cv_asm_text}-${opal_cv_asm_global}"
          asm_format="${asm_format}-${opal_cv_asm_label_suffix}-${opal_cv_asm_gsym}"
          asm_format="${asm_format}-${opal_cv_asm_lsym}"
diff --git a/opal/include/opal/sys/architecture.h b/opal/include/opal/sys/architecture.h
index b6c2b6d6ae..38338f1ecb 100644
--- a/opal/include/opal/sys/architecture.h
+++ b/opal/include/opal/sys/architecture.h
@@ -44,8 +44,5 @@
 
 /* Formats */
 #define OPAL_DEFAULT        1000  /* standard for given architecture */
-#define OPAL_DARWIN         1001  /* Darwin / OS X on PowerPC */
-#define OPAL_PPC_LINUX      1002  /* Linux on PowerPC */
-#define OPAL_AIX            1003  /* AIX on Power / PowerPC */
 
 #endif /* #ifndef OPAL_SYS_ARCHITECTURE_H */