diff --git a/api/docgen-openrpc/cmd/docgen_openrpc.go b/api/docgen-openrpc/cmd/docgen_openrpc.go
index b1322257c..b2eb31057 100644
--- a/api/docgen-openrpc/cmd/docgen_openrpc.go
+++ b/api/docgen-openrpc/cmd/docgen_openrpc.go
@@ -7,6 +7,8 @@ import (
 	"log"
 	"os"
 
+	"github.com/filecoin-project/lotus/api/docgen"
+
 	"github.com/filecoin-project/lotus/api/apistruct"
 	docgen_openrpc "github.com/filecoin-project/lotus/api/docgen-openrpc"
 )
@@ -29,7 +31,9 @@ Use:
 */
 
 func main() {
-	doc := docgen_openrpc.NewLotusOpenRPCDocument()
+	Comments, GroupDocs := docgen.ParseApiASTInfo(os.Args[1], os.Args[2], os.Args[3], os.Args[4])
+
+	doc := docgen_openrpc.NewLotusOpenRPCDocument(Comments, GroupDocs)
 
 	switch os.Args[2] {
 	case "FullNode":
diff --git a/api/docgen-openrpc/openrpc.go b/api/docgen-openrpc/openrpc.go
index e2cd9ce53..271b43ac6 100644
--- a/api/docgen-openrpc/openrpc.go
+++ b/api/docgen-openrpc/openrpc.go
@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"go/ast"
 	"net"
-	"os"
 	"reflect"
 
 	"github.com/alecthomas/jsonschema"
@@ -15,16 +14,6 @@ import (
 	meta_schema "github.com/open-rpc/meta-schema"
 )
 
-// Comments holds API method comments collected by AST parsing.
-var Comments map[string]string
-
-// GroupDocs holds documentation for documentation groups.
-var GroupDocs map[string]string
-
-func init() {
-	Comments, GroupDocs = docgen.ParseApiASTInfo(os.Args[1], os.Args[2], os.Args[3], os.Args[4])
-}
-
 // schemaDictEntry represents a type association passed to the jsonschema reflector.
 type schemaDictEntry struct {
 	example interface{}
@@ -94,7 +83,7 @@ func OpenRPCSchemaTypeMapper(ty reflect.Type) *jsonschema.Type {
 }
 
 // NewLotusOpenRPCDocument defines application-specific documentation and configuration for its OpenRPC document.
-func NewLotusOpenRPCDocument() *go_openrpc_reflect.Document {
+func NewLotusOpenRPCDocument(Comments, GroupDocs map[string]string) *go_openrpc_reflect.Document {
 	d := &go_openrpc_reflect.Document{}
 
 	// Register "Meta" document fields.