diff --git a/etc/aliases.csh b/etc/aliases.csh
index 314810bef6..558390b403 100644
--- a/etc/aliases.csh
+++ b/etc/aliases.csh
@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     aliases.csh
+#     etc/aliases.csh
 #
 # Description
 #     Aliases for working with OpenFOAM
@@ -38,6 +38,9 @@ alias wm32 'wmSET WM_ARCH_OPTION=32'
 alias wmSP 'wmSET WM_PRECISION_OPTION=SP'
 alias wmDP 'wmSET WM_PRECISION_OPTION=DP'
 
+# clear env
+alias wmUNSET='source $WM_PROJECT_DIR/etc/unset.csh'
+
 # Toggle wmakeScheduler on/off
 #  - also need to set WM_HOSTS
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/etc/aliases.sh b/etc/aliases.sh
index 2f3898a90e..e9c1227004 100644
--- a/etc/aliases.sh
+++ b/etc/aliases.sh
@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     aliases.sh
+#     etc/aliases.sh
 #
 # Description
 #     Aliases for working with OpenFOAM
@@ -38,6 +38,9 @@ alias wm32='wmSET WM_ARCH_OPTION=32'
 alias wmSP='wmSET WM_PRECISION_OPTION=SP'
 alias wmDP='wmSET WM_PRECISION_OPTION=DP'
 
+# clear env
+alias wmUNSET='. $WM_PROJECT_DIR/etc/unset.sh'
+
 # Toggle wmakeScheduler on/off
 #  - also need to set WM_HOSTS
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/etc/clearEnv.csh b/etc/unset.csh
similarity index 99%
rename from etc/clearEnv.csh
rename to etc/unset.csh
index 943c138007..48a1637912 100644
--- a/etc/clearEnv.csh
+++ b/etc/unset.csh
@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     etc/clearEnv.csh
+#     etc/unset.csh
 #
 # Description
 #     Clear as many OpenFOAM environment settings as possible
@@ -165,6 +165,8 @@ unalias wm32
 unalias wmSP
 unalias wmDP
 
+unalias wmUNSET
+
 unalias wmSchedON
 unalias wmSchedOFF
 unalias foamPV
diff --git a/etc/clearEnv.sh b/etc/unset.sh
similarity index 99%
rename from etc/clearEnv.sh
rename to etc/unset.sh
index 46fe726efb..23e182aa53 100644
--- a/etc/clearEnv.sh
+++ b/etc/unset.sh
@@ -22,7 +22,7 @@
 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 #
 # File
-#     etc/clearEnv.sh
+#     etc/unset.sh
 #
 # Description
 #     Clear as many OpenFOAM environment settings as possible
@@ -144,6 +144,8 @@ unalias wm32
 unalias wmSP
 unalias wmDP
 
+unalias wmUNSET
+
 unalias wmSchedON
 unalias wmSchedOFF
 unset foamPV