diff --git a/build.go b/build.go
index f6359078..53deb51c 100644
--- a/build.go
+++ b/build.go
@@ -46,7 +46,7 @@ func (rb registerBuilder) applyBuildOptions(o *BuildOptions) {
 }
 
 // BuildWithBuilder registers a builder to build the NGINX configuration for the given directives.
-func BuildWithBuilder(b Builder, directives ...string) RegisterBuilder {
+func BuildWithBuilder(b Builder, directives ...string) RegisterBuilder { //nolint:ireturn
 	return registerBuilder{b: b, directives: directives}
 }
 
diff --git a/lex.go b/lex.go
index 8ec40bb0..3521eaa2 100644
--- a/lex.go
+++ b/lex.go
@@ -84,7 +84,7 @@ func (rl registerLexer) applyLexOptions(o *LexOptions) {
 
 // LexWithLexer registers a Lexer that implements tokenization of an NGINX configuration after one of the given
 // stringTokens is encountered by Lex.
-func LexWithLexer(l Lexer, stringTokens ...string) RegisterLexer {
+func LexWithLexer(l Lexer, stringTokens ...string) RegisterLexer { //nolint:ireturn
 	return registerLexer{l: l, stringTokens: stringTokens}
 }
 
diff --git a/lex_test.go b/lex_test.go
index 31a3375b..cb3c5148 100644
--- a/lex_test.go
+++ b/lex_test.go
@@ -430,7 +430,6 @@ func TestLex(t *testing.T) {
 			}
 			defer file.Close()
 
-			lua := &Lua{}
 			options := LexOptions{
 				Lexers: []RegisterLexer{lua.RegisterLexer()},
 			}
diff --git a/lua.go b/lua.go
index 8a77880d..a3a65222 100644
--- a/lua.go
+++ b/lua.go
@@ -28,7 +28,7 @@ func (l *Lua) directiveNames() []string {
 	}
 }
 
-func (l *Lua) RegisterLexer() RegisterLexer {
+func (l *Lua) RegisterLexer() RegisterLexer { //nolint:ireturn
 	return LexWithLexer(l, l.directiveNames()...)
 }
 
@@ -150,7 +150,7 @@ func (l *Lua) Lex(s *SubScanner, matchedToken string) <-chan NgxToken {
 	return tokenCh
 }
 
-func (l *Lua) RegisterBuilder() RegisterBuilder {
+func (l *Lua) RegisterBuilder() RegisterBuilder { //nolint:ireturn
 	return BuildWithBuilder(l, l.directiveNames()...)
 }
 
diff --git a/parse_test.go b/parse_test.go
index 65a44ca9..01506bb7 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -43,6 +43,7 @@ func getTestConfigPath(parts ...string) string {
 	return filepath.Join("testdata", "configs", filepath.Join(parts...))
 }
 
+//nolint:gochecknoglobals
 var lua = &Lua{}
 
 //nolint:gochecknoglobals,exhaustruct