diff --git a/.shellcheckrc b/.shellcheckrc
new file mode 100644
index 0000000..8074f58
--- /dev/null
+++ b/.shellcheckrc
@@ -0,0 +1,2 @@
+external-sources=false
+disable=SC1090
diff --git a/zsh/zshrc b/zsh/zshrc
index 648959c..ba2416e 100644
--- a/zsh/zshrc
+++ b/zsh/zshrc
@@ -49,12 +49,11 @@ set -o vi
 setopt no_clobber # Do not clobber files by default
 setopt hist_ignore_all_dups # Replace old history with the newest call to an identical call
 setopt hist_ignore_space # Remove history lines that start with spaces
-setopt share_history # Share history between zsh instances without needing explicit sharing
+setopt share_history # Share history between zsh instances smoothly
 setopt auto_param_slash # Auto append a slash instead of a space if the completion is a dir
 setopt extended_glob null_glob # Use Bash-like globbing
 
 # Experimental
-setopt append_history inc_append_history
 setopt no_case_glob no_case_match
 
 # Completion options