diff --git a/bashrc b/bashrc
index 27bd0092..ae75b134 100755
--- a/bashrc
+++ b/bashrc
@@ -184,6 +184,9 @@ PATH=$HOME/.local/bin:$HOME/.local/games:$PATH
 # Uses most as the default pager if you uncomment line below. (You will also get colourful manpages :D).
 export PAGER=most
 
+# Sets environmnet variable CPUARCH to output of "uname -p"
+CPUARCH=`uname -p`
+
 #####   Aliases                     RJ706I  #####
 
 # To get sudo work with aliases.
@@ -361,6 +364,7 @@ alias mkhiso=isohybrid
 
 # Yum
 alias yum-unlock="rm -rf /var/run/yum.pid"
+alias yum-rm-timedhosts="rm /var/cache/yum/$CPUARCH/17/timedhost*"
 
 # Allow custom aliases to be put in .aliases or .bash_aliases .
 
diff --git a/zshrc b/zshrc
index 9fc134ef..916e4144 100755
--- a/zshrc
+++ b/zshrc
@@ -111,6 +111,9 @@ PATH=$HOME/.local/bin:$HOME/.local/games:$PATH
 # Uses most as the default pager if you uncomment line below. (You will also get colourful manpages :D).
 export PAGER=most
 
+# Sets environmnet variable CPUARCH to output of "uname -p"
+CPUARCH=`uname -p`
+
 #####   Aliases                     RJ706I  #####
 
 # To get sudo work with aliases.
@@ -312,6 +315,7 @@ alias mkhiso=isohybrid
 
 # Yum
 alias yum-unlock="rm -rf /var/run/yum.pid"
+alias yum-rm-timedhosts="rm /var/cache/yum/$CPUARCH/17/timedhost*"
 
 # .aliases
 if [ -f ~/.aliases ]; then