The REMOVE statement allows you to remove properties and labels on nodes and edges. These nodes or edges must first be retrieved using the MATCH statement.
The REMOVE statement only supports open graphs.

CREATE GRAPH myGraph ANY
To remove a label from a node:
GQLMATCH (n:User {name: 'rowlock'}) REMOVE n:Person
To remove two labels from a node:
GQLMATCH (n:User {name: 'rowlock'}) REMOVE n:Player, n:Employee
To remove the specified properties:
GQLMATCH (n:User {name: 'rowlock'})-[e:Follows]->(:User {name: 'Brainy'}) REMOVE n.gender, e.createdOn