diff --git a/bin/nwg-drawer b/bin/nwg-drawer
index 1a403a3..c9e0061 100755
Binary files a/bin/nwg-drawer and b/bin/nwg-drawer differ
diff --git a/go.mod b/go.mod
index 33bca97..e6d0271 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,6 @@ go 1.16
 require (
 	github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37
 	github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261
-	github.com/gotk3/gotk3 v0.5.3-0.20210223154815-289cfb6dbf32
+	github.com/gotk3/gotk3 v0.6.0
 	github.com/joshuarubin/go-sway v0.0.4
 )
diff --git a/go.sum b/go.sum
index 2ba66ba..13253ab 100644
--- a/go.sum
+++ b/go.sum
@@ -4,10 +4,9 @@ github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261 h1:eoXn91ckLWKMXmQKX34UHEF2XMyQpRnnP80fDiu+kys=
 github.com/dlasky/gotk3-layershell v0.0.0-20210331230524-5cca0b819261/go.mod h1:d56Gslp3IaiT8lqxD/lO1Msz1wYgD8D/HTKHgSdg9tU=
-github.com/gotk3/gotk3 v0.5.3-0.20210223154815-289cfb6dbf32 h1:wE6C/HgLUBHi8YhHlCEulrmQMntVl4PFdh3kA0sWyAY=
 github.com/gotk3/gotk3 v0.5.3-0.20210223154815-289cfb6dbf32/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
-github.com/joshuarubin/go-sway v0.0.3 h1:uuY+dAMz+iAJvso+DP7TSRczDWhaV47nEPHJoRDOqjA=
-github.com/joshuarubin/go-sway v0.0.3/go.mod h1:qcDd6f25vJ0++wICwA1BainIcRC67p2Mb4lsrZ0k3/k=
+github.com/gotk3/gotk3 v0.6.0 h1:Aqlq4/6VabNwtCyA9M9zFNad5yHAqCi5heWnZ9y+3dA=
+github.com/gotk3/gotk3 v0.6.0/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
 github.com/joshuarubin/go-sway v0.0.4 h1:dpmIwQ/LytG+oMrjmaVKdk1aPdW2feXK/+wAcLKIx4A=
 github.com/joshuarubin/go-sway v0.0.4/go.mod h1:qcDd6f25vJ0++wICwA1BainIcRC67p2Mb4lsrZ0k3/k=
 github.com/joshuarubin/lifecycle v1.0.0 h1:N/lPEC8f+dBZ1Tn99vShqp36LwB+LI7XNAiNadZeLUQ=
diff --git a/main.go b/main.go
index eb9a65b..3ff5b92 100644
--- a/main.go
+++ b/main.go
@@ -19,19 +19,15 @@ import (
 	"github.com/gotk3/gotk3/gtk"
 )
 
-const version = "0.0.2"
+const version = "0.0.3"
 
 var (
-	appDirs                   []string
-	configDirectory           string
-	pinnedFile                string
-	pinned                    []string
-	rightBox                  *gtk.Box
-	src                       glib.SourceHandle
-	imgSizeScaled             int
-	currentWsNum, targetWsNum int64
-	win                       *gtk.Window
-	id2entry                  map[string]desktopEntry
+	appDirs         []string
+	configDirectory string
+	pinnedFile      string
+	pinned          []string
+	src             glib.SourceHandle
+	id2entry        map[string]desktopEntry
 )
 
 var categoryNames = [...]string{
@@ -87,10 +83,7 @@ var (
 	fileSearchResults       []string
 	searchEntry             *gtk.SearchEntry
 	phrase                  string
-	fileSearchResultListBox *gtk.ListBox // tbd
 	fileSearchResultFlowBox *gtk.FlowBox
-	buttonsWrapper          *gtk.Box
-	buttonBox               *gtk.EventBox
 	userDirsMap             map[string]string
 	appFlowBox              *gtk.FlowBox
 	appSearchResultWrapper  *gtk.Box
@@ -100,7 +93,6 @@ var (
 	catButtons              []*gtk.Button
 	statusLabel             *gtk.Label
 	status                  string
-	mainColumnWidth         int
 	ignore                  string
 )
 
@@ -272,7 +264,7 @@ func main() {
 
 	// Close the window on leave, but not immediately, to avoid accidental closes
 	win.Connect("leave-notify-event", func() {
-		src, err = glib.TimeoutAdd(uint(500), func() bool {
+		src = glib.TimeoutAdd(uint(500), func() bool {
 			gtk.MainQuit()
 			return false
 		})
diff --git a/tools.go b/tools.go
index dd7d0b8..b239e8b 100644
--- a/tools.go
+++ b/tools.go
@@ -33,15 +33,6 @@ func cancelClose() {
 	}
 }
 
-func inPinned(taskID string) bool {
-	for _, id := range pinned {
-		if strings.TrimSpace(taskID) == strings.TrimSpace(id) {
-			return true
-		}
-	}
-	return false
-}
-
 func createPixbuf(icon string, size int) (*gdk.Pixbuf, error) {
 	iconTheme, err := gtk.IconThemeGetDefault()
 	if err != nil {
@@ -373,9 +364,7 @@ func parseDesktopFiles(desktopFiles []string) string {
 					exec = strings.Split(l, "Exec=")[1]
 					disallowed := [2]string{"\"", "'"}
 					for _, char := range disallowed {
-						if strings.Contains(exec, char) {
-							exec = strings.Replace(exec, char, "", -1)
-						}
+						exec = strings.Replace(exec, char, "", -1)
 					}
 					continue
 				}
@@ -606,9 +595,7 @@ func launch(command string, terminal bool) {
 	// set env variables
 	if len(envVars) > 0 {
 		cmd.Env = os.Environ()
-		for _, envVar := range envVars {
-			cmd.Env = append(cmd.Env, envVar)
-		}
+		cmd.Env = append(cmd.Env, envVars...)
 	}
 
 	msg := fmt.Sprintf("env vars: %s; command: '%s'; args: %s\n", envVars, elements[cmdIdx], elements[1+cmdIdx:])
diff --git a/uicomponents.go b/uicomponents.go
index 1f05f40..141f754 100644
--- a/uicomponents.go
+++ b/uicomponents.go
@@ -164,7 +164,7 @@ func notEmpty(listCategory []string) bool {
 	}
 	for _, desktopID := range listCategory {
 		entry := id2entry[desktopID]
-		if entry.NoDisplay == false {
+		if !entry.NoDisplay {
 			return true
 		}
 	}
@@ -347,7 +347,7 @@ func searchUserDir(dir string) {
 	ignore = userDirsMap[dir]
 	filepath.WalkDir(userDirsMap[dir], walk)
 
-	if fileSearchResults != nil && len(fileSearchResults) > 0 {
+	if len(fileSearchResults) > 0 {
 		btn := setUpUserDirButton(fmt.Sprintf("folder-%s", dir), "", dir, userDirsMap)
 		fileSearchResultFlowBox.Add(btn)