diff --git a/etc/config.csh/mpi b/etc/config.csh/mpi
index 37f4207b8d..8ab7f866ac 100644
--- a/etc/config.csh/mpi
+++ b/etc/config.csh/mpi
@@ -164,9 +164,6 @@ case HPMPI:
     case x86_64:
         _foamAddLib $MPI_ARCH_PATH/lib/linux_amd64
         breaksw
-    case ia64:
-        _foamAddLib $MPI_ARCH_PATH/lib/linux_ia64
-        breaksw
     default:
         echo Unknown processor type `uname -m` for Linux
         breaksw
diff --git a/etc/config.csh/settings b/etc/config.csh/settings
index 6da102d68c..143195b91c 100644
--- a/etc/config.csh/settings
+++ b/etc/config.csh/settings
@@ -81,11 +81,6 @@ case Linux:
         endsw
         breaksw
 
-    case ia64:
-        setenv WM_ARCH linuxIA64
-        setenv WM_COMPILER I64
-        breaksw
-
     case ppc64:
         setenv WM_ARCH linuxPPC64
         setenv WM_COMPILER_LIB_ARCH 64
diff --git a/etc/config.sh/mpi b/etc/config.sh/mpi
index 9688cb1dd7..8752c0026a 100644
--- a/etc/config.sh/mpi
+++ b/etc/config.sh/mpi
@@ -172,9 +172,6 @@ HPMPI)
     x86_64)
         _foamAddLib $MPI_ARCH_PATH/lib/linux_amd64
         ;;
-    ia64)
-        _foamAddLib $MPI_ARCH_PATH/lib/linux_ia64
-        ;;
     *)
         echo Unknown processor type `uname -m` 1>&2
         ;;
diff --git a/etc/config.sh/settings b/etc/config.sh/settings
index 17558f385d..a49b6c4507 100644
--- a/etc/config.sh/settings
+++ b/etc/config.sh/settings
@@ -74,11 +74,6 @@ Linux)
         esac
         ;;
 
-    ia64)
-        WM_ARCH=linuxIA64
-        export WM_COMPILER=I64
-        ;;
-
     armv7l)
         WM_ARCH=linuxARM7
         export WM_ARCH_OPTION=32
diff --git a/src/OSspecific/POSIX/signals/sigFpe.C b/src/OSspecific/POSIX/signals/sigFpe.C
index 7609c6fac5..9b2ccb2deb 100644
--- a/src/OSspecific/POSIX/signals/sigFpe.C
+++ b/src/OSspecific/POSIX/signals/sigFpe.C
@@ -35,8 +35,6 @@ License
     #endif
     #include <fenv.h>
     #include <malloc.h>
-#elif defined(sgiN32) || defined(sgiN32Gcc)
-    #include <sigfpe.h>
 #endif
 
 #include <limits>
@@ -182,32 +180,8 @@ void Foam::sigFpe::set(const bool verbose)
                 << "Cannot set SIGFPE trapping"
                 << abort(FatalError);
         }
-
-
-        #elif defined(sgiN32) || defined(sgiN32Gcc)
-        supported = true;
-
-        sigfpe_[_DIVZERO].abort=1;
-        sigfpe_[_OVERFL].abort=1;
-        sigfpe_[_INVALID].abort=1;
-
-        sigfpe_[_DIVZERO].trace=1;
-        sigfpe_[_OVERFL].trace=1;
-        sigfpe_[_INVALID].trace=1;
-
-        handle_sigfpes
-        (
-            _ON,
-            _EN_DIVZERO
-          | _EN_INVALID
-          | _EN_OVERFL,
-            0,
-            _ABORT_ON_ERROR,
-            nullptr
-        );
         #endif
 
-
         if (verbose)
         {
             if (supported)
diff --git a/src/OSspecific/POSIX/signals/sigFpe.H b/src/OSspecific/POSIX/signals/sigFpe.H
index f3f00a548f..ee6951b9e7 100644
--- a/src/OSspecific/POSIX/signals/sigFpe.H
+++ b/src/OSspecific/POSIX/signals/sigFpe.H
@@ -45,7 +45,7 @@ SourceFiles
 
 #include <signal.h>
 
-#if defined(linux) || defined(linux64) || defined(linuxIA64) || \
+#if defined(linux) || defined(linux64) || \
     defined(linuxARM7) || defined(linuxPPC64) || defined(linuxPPC64le)
     #define LINUX
 #endif
diff --git a/wmake/rules/linuxIA64Gcc/X b/wmake/rules/linuxIA64Gcc/X
deleted file mode 100644
index bed8bfeddf..0000000000
--- a/wmake/rules/linuxIA64Gcc/X
+++ /dev/null
@@ -1,3 +0,0 @@
-XFLAGS     =
-XINC       = $(XFLAGS) -I/usr/X11R6/include
-XLIBS      = -L/usr/X11R6/lib -lXext -lX11
diff --git a/wmake/rules/linuxIA64Gcc/c b/wmake/rules/linuxIA64Gcc/c
deleted file mode 100644
index 91d6fda4de..0000000000
--- a/wmake/rules/linuxIA64Gcc/c
+++ /dev/null
@@ -1,16 +0,0 @@
-SUFFIXES += .c
-
-cWARN        = -Wall
-
-cc          = gcc
-
-include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
-
-cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
-
-ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $< -o $@
-
-LINK_LIBS   = $(cDBUG)
-
-LINKLIBSO   = $(cc) -fuse-ld=bfd -shared
-LINKEXE     = $(cc) -fuse-ld=bfd -Xlinker --add-needed -Xlinker -z -Xlinker nodefs
diff --git a/wmake/rules/linuxIA64Gcc/c++ b/wmake/rules/linuxIA64Gcc/c++
deleted file mode 100644
index 13e8a72328..0000000000
--- a/wmake/rules/linuxIA64Gcc/c++
+++ /dev/null
@@ -1,25 +0,0 @@
-SUFFIXES += .C
-
-c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor -Wno-unused-parameter \
-              -Wno-invalid-offsetof -Wno-attributes
-
-# Suppress some warnings for flex++ and CGAL
-c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs -Wno-array-bounds
-
-CC          = g++ -std=c++11
-
-include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
-
-ptFLAGS     = -DNoRepository -ftemplate-depth-100
-
-c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
-
-Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
-cxxtoo      = $(Ctoo)
-cctoo       = $(Ctoo)
-cpptoo      = $(Ctoo)
-
-LINK_LIBS   = $(c++DBUG)
-
-LINKLIBSO   = $(CC) $(c++FLAGS) -fuse-ld=bfd -shared
-LINKEXE     = $(CC) $(c++FLAGS) -fuse-ld=bfd -Xlinker --add-needed
diff --git a/wmake/rules/linuxIA64Gcc/c++Debug b/wmake/rules/linuxIA64Gcc/c++Debug
deleted file mode 100644
index 19bdb9c334..0000000000
--- a/wmake/rules/linuxIA64Gcc/c++Debug
+++ /dev/null
@@ -1,2 +0,0 @@
-c++DBUG    = -ggdb3 -DFULLDEBUG
-c++OPT      = -O0 -fdefault-inline
diff --git a/wmake/rules/linuxIA64Gcc/c++Opt b/wmake/rules/linuxIA64Gcc/c++Opt
deleted file mode 100644
index 2aedabd628..0000000000
--- a/wmake/rules/linuxIA64Gcc/c++Opt
+++ /dev/null
@@ -1,2 +0,0 @@
-c++DBUG     =
-c++OPT      = -O3
diff --git a/wmake/rules/linuxIA64Gcc/c++Prof b/wmake/rules/linuxIA64Gcc/c++Prof
deleted file mode 100644
index 3bda4dad55..0000000000
--- a/wmake/rules/linuxIA64Gcc/c++Prof
+++ /dev/null
@@ -1,2 +0,0 @@
-c++DBUG    = -pg
-c++OPT     = -O2
diff --git a/wmake/rules/linuxIA64Gcc/cDebug b/wmake/rules/linuxIA64Gcc/cDebug
deleted file mode 100644
index 72b638f458..0000000000
--- a/wmake/rules/linuxIA64Gcc/cDebug
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       = -ggdb -DFULLDEBUG
-cOPT        = -O1 -fdefault-inline -finline-functions
diff --git a/wmake/rules/linuxIA64Gcc/cOpt b/wmake/rules/linuxIA64Gcc/cOpt
deleted file mode 100644
index 17318709f1..0000000000
--- a/wmake/rules/linuxIA64Gcc/cOpt
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       =
-cOPT        = -O3
diff --git a/wmake/rules/linuxIA64Gcc/cProf b/wmake/rules/linuxIA64Gcc/cProf
deleted file mode 100644
index ca3ac9bf5f..0000000000
--- a/wmake/rules/linuxIA64Gcc/cProf
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       = -pg
-cOPT        = -O2
diff --git a/wmake/rules/linuxIA64Gcc/general b/wmake/rules/linuxIA64Gcc/general
deleted file mode 100644
index 182ee7f901..0000000000
--- a/wmake/rules/linuxIA64Gcc/general
+++ /dev/null
@@ -1,9 +0,0 @@
-CPP        = cpp -traditional-cpp $(GFLAGS)
-
-PROJECT_LIBS = -l$(WM_PROJECT) -ldl
-
-include $(GENERAL_RULES)/standard
-
-include $(DEFAULT_RULES)/X
-include $(DEFAULT_RULES)/c
-include $(DEFAULT_RULES)/c++
diff --git a/wmake/rules/linuxIA64Gcc/mplibHPMPI b/wmake/rules/linuxIA64Gcc/mplibHPMPI
deleted file mode 100644
index cd11010d24..0000000000
--- a/wmake/rules/linuxIA64Gcc/mplibHPMPI
+++ /dev/null
@@ -1,3 +0,0 @@
-PFLAGS     =
-PINC       = -isystem $(MPI_ARCH_PATH)/include -D_MPICC_H
-PLIBS      = -L$(MPI_ARCH_PATH)/lib/linux_ia64 -lmpi
diff --git a/wmake/rules/linuxIA64Gcc/mplibMPI b/wmake/rules/linuxIA64Gcc/mplibMPI
deleted file mode 100644
index 186769c0c2..0000000000
--- a/wmake/rules/linuxIA64Gcc/mplibMPI
+++ /dev/null
@@ -1,3 +0,0 @@
-PFLAGS     = -DSGIMPI -DMPI_NO_CPPBIND
-PINC       =
-PLIBS      = -lmpi
diff --git a/wmake/rules/linuxIA64Icc/X b/wmake/rules/linuxIA64Icc/X
deleted file mode 100644
index bed8bfeddf..0000000000
--- a/wmake/rules/linuxIA64Icc/X
+++ /dev/null
@@ -1,3 +0,0 @@
-XFLAGS     =
-XINC       = $(XFLAGS) -I/usr/X11R6/include
-XLIBS      = -L/usr/X11R6/lib -lXext -lX11
diff --git a/wmake/rules/linuxIA64Icc/c b/wmake/rules/linuxIA64Icc/c
deleted file mode 100644
index 2b19596b1a..0000000000
--- a/wmake/rules/linuxIA64Icc/c
+++ /dev/null
@@ -1,16 +0,0 @@
-SUFFIXES += .c
-
-cWARN        =
-
-cc          = icc
-
-include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
-
-cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
-
-ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $< -o $@
-
-LINK_LIBS   = $(cDBUG) -L$(IA32ROOT)/lib
-
-LINKLIBSO   = $(cc) -i_dynamic
-LINKEXE     = $(cc) -Xlinker -z -Xlinker nodefs
diff --git a/wmake/rules/linuxIA64Icc/c++ b/wmake/rules/linuxIA64Icc/c++
deleted file mode 100644
index 70c00d3ead..0000000000
--- a/wmake/rules/linuxIA64Icc/c++
+++ /dev/null
@@ -1,25 +0,0 @@
-SUFFIXES += .C
-
-c++WARN     = -Wall -Wextra -Wnon-virtual-dtor -Wno-unused-parameter -Wno-invalid-offsetof \
-              -diag-disable 2304,1292
-
-# Suppress some warnings for flex++ and CGAL
-c++LESSWARN = -diag-disable 1224,2026,2305
-
-CC          = icpc -std=c++11
-
-include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
-
-ptFLAGS     = -DNoRepository
-
-c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
-
-Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
-cxxtoo      = $(Ctoo)
-cctoo       = $(Ctoo)
-cpptoo      = $(Ctoo)
-
-LINK_LIBS   = $(c++DBUG) -L$(IA32ROOT)/lib
-
-LINKLIBSO   = $(CC) $(c++FLAGS) -shared
-LINKEXE     = $(CC) $(c++FLAGS)
diff --git a/wmake/rules/linuxIA64Icc/c++Debug b/wmake/rules/linuxIA64Icc/c++Debug
deleted file mode 100644
index 0aec1fbffe..0000000000
--- a/wmake/rules/linuxIA64Icc/c++Debug
+++ /dev/null
@@ -1,2 +0,0 @@
-c++DBUG    = -g -DFULLDEBUG -O0
-c++OPT     =
diff --git a/wmake/rules/linuxIA64Icc/c++Opt b/wmake/rules/linuxIA64Icc/c++Opt
deleted file mode 100644
index dd3d557474..0000000000
--- a/wmake/rules/linuxIA64Icc/c++Opt
+++ /dev/null
@@ -1,13 +0,0 @@
-c++DBUG     =
-
-c++OPT      = \
-    -DICC_IA64_PREFETCH \
-    -ansi-alias \
-    -O3 \
-    -fp-speculationsafe \
-    -ftz \
-    -mP3OPT_ecg_swp_control=0x400000 \
-    -fno-alias \
-    -mtune=itanium2 \
-    -fargument-noalias-global \
-    -unroll0
diff --git a/wmake/rules/linuxIA64Icc/c++Prof b/wmake/rules/linuxIA64Icc/c++Prof
deleted file mode 100644
index 9295c12648..0000000000
--- a/wmake/rules/linuxIA64Icc/c++Prof
+++ /dev/null
@@ -1,2 +0,0 @@
-c++DBUG    = -prof_gen
-c++OPT     = -O3
diff --git a/wmake/rules/linuxIA64Icc/cDebug b/wmake/rules/linuxIA64Icc/cDebug
deleted file mode 100644
index 73dce0dfd0..0000000000
--- a/wmake/rules/linuxIA64Icc/cDebug
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       = -g -DFULLDEBUG -O0
-cOPT        =
diff --git a/wmake/rules/linuxIA64Icc/cOpt b/wmake/rules/linuxIA64Icc/cOpt
deleted file mode 100644
index 17318709f1..0000000000
--- a/wmake/rules/linuxIA64Icc/cOpt
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       =
-cOPT        = -O3
diff --git a/wmake/rules/linuxIA64Icc/cProf b/wmake/rules/linuxIA64Icc/cProf
deleted file mode 100644
index ca3ac9bf5f..0000000000
--- a/wmake/rules/linuxIA64Icc/cProf
+++ /dev/null
@@ -1,2 +0,0 @@
-cDBUG       = -pg
-cOPT        = -O2
diff --git a/wmake/rules/linuxIA64Icc/general b/wmake/rules/linuxIA64Icc/general
deleted file mode 100644
index 09a3896656..0000000000
--- a/wmake/rules/linuxIA64Icc/general
+++ /dev/null
@@ -1,9 +0,0 @@
-CPP        = /lib/cpp -traditional-cpp $(GFLAGS) -DICC_IA64_PREFETCH
-
-GLIBS      =
-
-include $(GENERAL_RULES)/standard
-
-include $(DEFAULT_RULES)/X
-include $(DEFAULT_RULES)/c
-include $(DEFAULT_RULES)/c++
diff --git a/wmake/rules/linuxIA64Icc/mplibHPMPI b/wmake/rules/linuxIA64Icc/mplibHPMPI
deleted file mode 100644
index cd11010d24..0000000000
--- a/wmake/rules/linuxIA64Icc/mplibHPMPI
+++ /dev/null
@@ -1,3 +0,0 @@
-PFLAGS     =
-PINC       = -isystem $(MPI_ARCH_PATH)/include -D_MPICC_H
-PLIBS      = -L$(MPI_ARCH_PATH)/lib/linux_ia64 -lmpi
diff --git a/wmake/rules/linuxIA64Icc/mplibMPI b/wmake/rules/linuxIA64Icc/mplibMPI
deleted file mode 100644
index 186769c0c2..0000000000
--- a/wmake/rules/linuxIA64Icc/mplibMPI
+++ /dev/null
@@ -1,3 +0,0 @@
-PFLAGS     = -DSGIMPI -DMPI_NO_CPPBIND
-PINC       =
-PLIBS      = -lmpi