diff --git a/cli/error.go b/cli/error.go
index 64174f19..3d7ced5b 100644
--- a/cli/error.go
+++ b/cli/error.go
@@ -9,8 +9,9 @@ import (
 	"strings"
 	"unicode/utf8"
 
-	"github.com/itchyny/gojq"
 	"github.com/mattn/go-runewidth"
+
+	"github.com/itchyny/gojq"
 )
 
 type emptyError struct {
@@ -38,7 +39,7 @@ func (err *exitCodeError) Error() string {
 	return "exit code: " + strconv.Itoa(err.code)
 }
 
-func (err *exitCodeError) isEmptyError() {}
+func (*exitCodeError) isEmptyError() {}
 
 func (err *exitCodeError) ExitCode() int {
 	return err.code
@@ -52,7 +53,7 @@ func (err *flagParseError) Error() string {
 	return err.err.Error()
 }
 
-func (err *flagParseError) ExitCode() int {
+func (*flagParseError) ExitCode() int {
 	return exitCodeFlagParseErr
 }
 
@@ -64,7 +65,7 @@ func (err *compileError) Error() string {
 	return "compile error: " + err.err.Error()
 }
 
-func (err *compileError) ExitCode() int {
+func (*compileError) ExitCode() int {
 	return exitCodeCompileErr
 }
 
@@ -88,7 +89,7 @@ func (err *queryParseError) Error() string {
 		err.contents, linestr, column+1, '^', err.err)
 }
 
-func (err *queryParseError) ExitCode() int {
+func (*queryParseError) ExitCode() int {
 	return exitCodeCompileErr
 }
 
diff --git a/cli/inputs.go b/cli/inputs.go
index 1f91c480..7a35dcdf 100644
--- a/cli/inputs.go
+++ b/cli/inputs.go
@@ -140,7 +140,7 @@ func (i *nullInputIter) Close() error {
 	return nil
 }
 
-func (i *nullInputIter) Name() string {
+func (*nullInputIter) Name() string {
 	return ""
 }
 
diff --git a/error.go b/error.go
index 09a70d39..18b06b1c 100644
--- a/error.go
+++ b/error.go
@@ -85,7 +85,7 @@ func (err *expectedStartEndError) Error() string {
 
 type lengthMismatchError struct{}
 
-func (err *lengthMismatchError) Error() string {
+func (*lengthMismatchError) Error() string {
 	return "length mismatch"
 }
 
@@ -222,7 +222,7 @@ func (err *joinTypeError) Error() string {
 
 type timeArrayError struct{}
 
-func (err *timeArrayError) Error() string {
+func (*timeArrayError) Error() string {
 	return "expected an array of 8 numbers"
 }
 
@@ -279,7 +279,7 @@ func (err *formatRowError) Error() string {
 
 type tooManyVariableValuesError struct{}
 
-func (err *tooManyVariableValuesError) Error() string {
+func (*tooManyVariableValuesError) Error() string {
 	return "too many variable values provided"
 }
 
@@ -316,7 +316,7 @@ func (err *breakError) Error() string {
 	return "label not defined: " + err.n
 }
 
-func (err *breakError) ExitCode() int {
+func (*breakError) ExitCode() int {
 	return 3
 }
 
diff --git a/release.go b/release.go
index c34dfb45..07fc7167 100644
--- a/release.go
+++ b/release.go
@@ -5,12 +5,12 @@ package gojq
 
 type codeinfo struct{}
 
-func (c *compiler) appendCodeInfo(any) {}
+func (*compiler) appendCodeInfo(any) {}
 
-func (c *compiler) deleteCodeInfo(string) {}
+func (*compiler) deleteCodeInfo(string) {}
 
-func (env *env) debugCodes() {}
+func (*env) debugCodes() {}
 
-func (env *env) debugState(int, bool) {}
+func (*env) debugState(int, bool) {}
 
-func (env *env) debugForks(int, string) {}
+func (*env) debugForks(int, string) {}