diff --git a/armci/src/memory/shmem.c b/armci/src/memory/shmem.c
index 66dbbff65..9e235a24f 100644
--- a/armci/src/memory/shmem.c
+++ b/armci/src/memory/shmem.c
@@ -828,10 +828,6 @@ char *Attach_Shared_Region(id, size, offset)
 {
 int reg, found, shmflag=0;
 static char *temp;
-
-#if defined(SGI_N32) && defined(SHM_SGI_ANYADDR)
-  shmflag= SHM_SGI_ANYADDR;
-#endif
   
   if(alloc_regions>=MAX_REGIONS)
        armci_die("Attach_Shared_Region: to many regions ",0);
@@ -921,10 +917,6 @@ int id,shmflag=0;
 size_t sz = (size_t)size;
 char *pref_addr = (char*)0;
 
-#if defined(SGI_N32) && defined(SHM_SGI_ANYADDR)
-  shmflag= SHM_SGI_ANYADDR;
-#endif
-
     if(DEBUG1){
        printf("%d:allocate: Shmem allocate size %ld bytes\n",armci_me,size); 
        fflush(stdout);
diff --git a/m4/ga_target.m4 b/m4/ga_target.m4
index a41dd37a6..e7c95310a 100644
--- a/m4/ga_target.m4
+++ b/m4/ga_target.m4
@@ -18,7 +18,6 @@ AH_TEMPLATE([FUJITSU_VPP],  [Define to 1 on fujitsu systems])
 AH_TEMPLATE([FUJITSU_VPP64],[Define to 1 on fujitsu systems])
 AH_TEMPLATE([IBM],          [Define to 1 on IBM SP systems])
 AH_TEMPLATE([IBM64],        [Define to 1 on 64bit IBM SP systems])
-AH_TEMPLATE([INTERIX],      [Define to 1 on ??? systems])
 AH_TEMPLATE([LINUX],        [Define to 1 on generic Linux systems])
 AH_TEMPLATE([LINUX64],      [Define to 1 on generic 64bit Linux systems])
 AH_TEMPLATE([MACX],         [Define to 1 on OSX systems])
@@ -53,7 +52,7 @@ dnl AS_IF([test "x$ARMCI_TOP_BUILDDIR" != x], [
     AC_CACHE_CHECK([whether we think this system is what we call SYSV],
     [ga_cv_sysv],
     [AS_CASE([$ga_cv_target_base],
-        [SUN|SOLARIS|IBM|LINUX|INTERIX|NEC],
+        [SUN|SOLARIS|IBM|LINUX|NEC],
             [ga_cv_sysv=yes],
         [ga_cv_sysv=no])
     ])
@@ -67,7 +66,6 @@ AM_CONDITIONAL([CYGNUS],       [test "$ga_cv_target_base" = CYGNUS])
 AM_CONDITIONAL([CYGWIN],       [test "$ga_cv_target_base" = CYGWIN])
 AM_CONDITIONAL([FUJITSU_VPP],  [test "$ga_cv_target_base" = FUJITSU_VPP])
 AM_CONDITIONAL([IBM],          [test "$ga_cv_target_base" = IBM])
-AM_CONDITIONAL([INTERIX],      [test "$ga_cv_target_base" = INTERIX])
 AM_CONDITIONAL([LINUX],        [test "$ga_cv_target_base" = LINUX])
 AM_CONDITIONAL([MACX],         [test "$ga_cv_target_base" = MACX])
 AM_CONDITIONAL([MINGW],        [test "$ga_cv_target_base" = MINGW])
diff --git a/pario/elio/elio.c b/pario/elio/elio.c
index 43d1c5068..1bff62ffe 100644
--- a/pario/elio/elio.c
+++ b/pario/elio/elio.c
@@ -42,7 +42,7 @@
 
 #include "../sf/coms.h"
 
-#if  defined(AIX) || defined(SGI64) || defined(CRAY) || defined(LINUXAIO)
+#if  defined(AIX) || defined(CRAY) || defined(LINUXAIO)
      /* systems with Asynchronous I/O */
 #else
 #    ifndef NOAIO