diff --git a/display/display.go b/display/display.go
index 4c9ea3b..15a0fb8 100644
--- a/display/display.go
+++ b/display/display.go
@@ -6,7 +6,6 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
-	"sync"
 
 	"code.rocketnine.space/tslocum/cview"
 	"github.com/gdamore/tcell/v2"
@@ -54,9 +53,6 @@ var layout = cview.NewFlex()
 
 var newTabPage structs.Page
 
-// Global mutex for changing the size of the left margin on all tabs.
-var reformatMu = sync.Mutex{}
-
 var App = cview.NewApplication()
 
 func Init(version, commit, builtBy string) {