diff --git a/bashrc b/bashrc
index 62fcd662..82ae6aeb 100644
--- a/bashrc
+++ b/bashrc
@@ -134,6 +134,9 @@ fi
 
 # Source before mentioned locations if they exist.
 
+# Don't check for mail!
+unset MAILCHECK
+
 # .environment
 if [ -f ~/.environment ]; then
     source ~/.environment
diff --git a/zshrc b/zshrc
index 19afe213..e43152cd 100644
--- a/zshrc
+++ b/zshrc
@@ -56,6 +56,9 @@ zstyle ':completion:*:kill:*' command 'ps -u $USER -o pid,%cpu,tty,cputime,cmd'
 
 # Source before mentioned locations if they exist.
 
+# Don't check for mail!
+unset MAILCHECK
+
 # .environment
 if [ -f ~/.environment ]; then
     source ~/.environment