diff --git a/pkg/service/decl.go b/pkg/service/decl.go
new file mode 100644
index 0000000..8101073
--- /dev/null
+++ b/pkg/service/decl.go
@@ -0,0 +1,18 @@
+package service
+
+import (
+	"go/ast"
+)
+
+func handleDecl(id int, decl ast.Decl, dst chan<- string, done chan<- bool) {
+	code := ""
+	switch d := decl.(type) {
+	case *ast.FuncDecl:
+		code += handleFuncDecl(d)
+	case *ast.GenDecl:
+		code += handleGenDecl(d)
+	}
+	dst <- code
+	close(dst)
+	done <- true
+}
diff --git a/pkg/service/service.go b/pkg/service/service.go
index 9b5138c..5f2afe1 100644
--- a/pkg/service/service.go
+++ b/pkg/service/service.go
@@ -2,7 +2,6 @@ package service
 
 import (
 	"fmt"
-	"go/ast"
 	"go/parser"
 	"go/token"
 	"io"
@@ -152,29 +151,3 @@ func (s *defaultService) printGoHelperDeclarations() {
 	}
 	s.out.Write([]byte("\n"))
 }
-
-func handleDecl(id int, decl ast.Decl, dst chan<- string, done chan<- bool) {
-	code := ""
-	switch d := decl.(type) {
-	case *ast.FuncDecl:
-		code += handleFuncDecl(d)
-	case *ast.GenDecl:
-		code += handleGenDecl(d)
-	}
-	dst <- code
-	close(dst)
-	done <- true
-}
-
-func handleGenDecl(decl ast.Decl) string {
-	gd := decl.(*ast.GenDecl)
-	code := ""
-	switch gd.Tok {
-	case token.CONST:
-		code += "const "
-	case token.VAR:
-		code += ""
-	}
-	code += handleSpecs(gd.Specs)
-	return code
-}
diff --git a/pkg/service/spec.go b/pkg/service/spec.go
index c559d97..2057a79 100644
--- a/pkg/service/spec.go
+++ b/pkg/service/spec.go
@@ -2,8 +2,22 @@ package service
 
 import (
 	"go/ast"
+	"go/token"
 )
 
+func handleGenDecl(decl ast.Decl) string {
+	gd := decl.(*ast.GenDecl)
+	code := ""
+	switch gd.Tok {
+	case token.CONST:
+		code += "const "
+	case token.VAR:
+		code += ""
+	}
+	code += handleSpecs(gd.Specs)
+	return code
+}
+
 func handleSpecs(specs []ast.Spec) string {
 	code := ""
 	for _, spec := range specs {