diff --git a/config/opal_config_asm.m4 b/config/opal_config_asm.m4
index 686291402c..a9ce98aeab 100644
--- a/config/opal_config_asm.m4
+++ b/config/opal_config_asm.m4
@@ -1194,11 +1194,6 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
             OPAL_CHECK_CMPXCHG16B
             ;;
 
-        ia64-*)
-            opal_cv_asm_arch="IA64"
-            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
-              [AC_MSG_ERROR([No atomic primitives available for $host])])
-            ;;
         aarch64*)
             opal_cv_asm_arch="ARM64"
             OPAL_ASM_SUPPORT_64BIT=1
diff --git a/opal/include/opal/sys/architecture.h b/opal/include/opal/sys/architecture.h
index d3cd8d0856..0d56d4ee5e 100644
--- a/opal/include/opal/sys/architecture.h
+++ b/opal/include/opal/sys/architecture.h
@@ -33,7 +33,6 @@
 /* Architectures */
 #define OPAL_UNSUPPORTED    0000
 #define OPAL_IA32           0010
-#define OPAL_IA64           0020
 #define OPAL_X86_64         0030
 #define OPAL_POWERPC32      0050
 #define OPAL_POWERPC64      0051
diff --git a/opal/include/opal/sys/atomic.h b/opal/include/opal/sys/atomic.h
index b52b911421..c744727553 100644
--- a/opal/include/opal/sys/atomic.h
+++ b/opal/include/opal/sys/atomic.h
@@ -16,6 +16,7 @@
  *                         reserved.
  * Copyright (c) 2017      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2020      Google, LLC. All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -175,8 +176,6 @@ enum {
 #include "opal/sys/arm64/atomic.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_IA32
 #include "opal/sys/ia32/atomic.h"
-#elif OPAL_ASSEMBLY_ARCH == OPAL_IA64
-#include "opal/sys/ia64/atomic.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC32
 #include "opal/sys/powerpc/atomic.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC64
diff --git a/opal/include/opal/sys/cma.h b/opal/include/opal/sys/cma.h
index d994537bb2..273b482e4c 100644
--- a/opal/include/opal/sys/cma.h
+++ b/opal/include/opal/sys/cma.h
@@ -44,9 +44,6 @@
 #elif OPAL_ASSEMBLY_ARCH == OPAL_IA32
 #define __NR_process_vm_readv 347
 #define __NR_process_vm_writev 348
-#elif OPAL_ASSEMBLY_ARCH == OPAL_IA64
-#define __NR_process_vm_readv 1332
-#define __NR_process_vm_writev 1333
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC32
 #define __NR_process_vm_readv 351
 #define __NR_process_vm_writev 352
diff --git a/opal/include/opal/sys/timer.h b/opal/include/opal/sys/timer.h
index 8676b19d2c..7f9a8dd136 100644
--- a/opal/include/opal/sys/timer.h
+++ b/opal/include/opal/sys/timer.h
@@ -14,6 +14,7 @@
  * Copyright (c) 2016-2017 Los Alamos National Security, LLC. All rights
  *                         reserved.
  * Copyright (c) 2020      Intel, Inc.  All rights reserved.
+ * Copyright (c) 2020      Google, LLC. All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -79,8 +80,6 @@ BEGIN_C_DECLS
 #include "opal/sys/arm64/timer.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_IA32
 #include "opal/sys/ia32/timer.h"
-#elif OPAL_ASSEMBLY_ARCH == OPAL_IA64
-#include "opal/sys/ia64/timer.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC32
 #include "opal/sys/powerpc/timer.h"
 #elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC64