diff --git a/tools/tui/loop/api.go b/tools/tui/loop/api.go
index a4a7b8be6..1236e6212 100644
--- a/tools/tui/loop/api.go
+++ b/tools/tui/loop/api.go
@@ -273,7 +273,7 @@ func (self *Loop) Run() (err error) {
 					defer term.RestoreAndClose()
 					fmt.Println("Press any key to exit.\r")
 					buf := make([]byte, 16)
-					term.Read(buf)
+					_, _ = term.Read(buf)
 				}
 			}
 		}
diff --git a/tools/tui/loop/run.go b/tools/tui/loop/run.go
index 5de444cea..0e76e856a 100644
--- a/tools/tui/loop/run.go
+++ b/tools/tui/loop/run.go
@@ -42,7 +42,7 @@ func is_temporary_error(err error) bool {
 }
 
 func kill_self(sig unix.Signal) {
-	unix.Kill(os.Getpid(), sig)
+	_ = unix.Kill(os.Getpid(), sig)
 	// Give the signal time to be delivered
 	time.Sleep(20 * time.Millisecond)
 }
@@ -189,10 +189,11 @@ func (self *Loop) handle_rune(raw rune) error {
 	return nil
 }
 
-func (self *Loop) handle_end_of_bracketed_paste() {
+func (self *Loop) handle_end_of_bracketed_paste() error {
 	if self.OnText != nil {
-		self.OnText("", false, false)
+		return self.OnText("", false, false)
 	}
+	return nil
 }
 
 func (self *Loop) on_signal(s unix.Signal) error {
@@ -397,7 +398,7 @@ func (self *Loop) run() (err error) {
 			return err
 		}
 		err = controlling_term.SuspendAndRun(func() error {
-			unix.Kill(os.Getpid(), unix.SIGSTOP)
+			_ = unix.Kill(os.Getpid(), unix.SIGSTOP)
 			time.Sleep(20 * time.Millisecond)
 			return nil
 		})
diff --git a/tools/wcswidth/escape-code-parser.go b/tools/wcswidth/escape-code-parser.go
index 0a1dfa7db..38e1aee10 100644
--- a/tools/wcswidth/escape-code-parser.go
+++ b/tools/wcswidth/escape-code-parser.go
@@ -52,7 +52,7 @@ type EscapeCodeParser struct {
 
 	// Callbacks
 	HandleRune                func(rune) error
-	HandleEndOfBracketedPaste func()
+	HandleEndOfBracketedPaste func() error
 	HandleCSI                 func([]byte) error
 	HandleOSC                 func([]byte) error
 	HandleDCS                 func([]byte) error
@@ -199,7 +199,9 @@ func (self *EscapeCodeParser) dispatch_char(ch utils.UTF8State) error {
 				if self.bracketed_paste_buffer[len(self.bracketed_paste_buffer)-1] == '~' {
 					self.reset_state()
 					if self.HandleEndOfBracketedPaste != nil {
-						self.HandleEndOfBracketedPaste()
+						if err := self.HandleEndOfBracketedPaste(); err != nil {
+							return err
+						}
 					}
 				}
 				return nil