diff --git a/object/application.go b/object/application.go
index e14373a9..1c80d785 100644
--- a/object/application.go
+++ b/object/application.go
@@ -76,7 +76,6 @@ type Application struct {
 	OrganizationObj     *Organization   `xorm:"-" json:"organizationObj"`
 	CertPublicKey       string          `xorm:"-" json:"certPublicKey"`
 	Tags                []string        `xorm:"mediumtext" json:"tags"`
-	InvitationCodes     []string        `xorm:"varchar(200)" json:"invitationCodes"`
 	SamlAttributes      []*SamlItem     `xorm:"varchar(1000)" json:"samlAttributes"`
 
 	ClientId             string     `xorm:"varchar(100)" json:"clientId"`
@@ -392,10 +391,6 @@ func GetMaskedApplication(application *Application, userId string) *Application
 		}
 	}
 
-	if application.InvitationCodes != nil {
-		application.InvitationCodes = []string{"***"}
-	}
-
 	return application
 }
 
diff --git a/object/check.go b/object/check.go
index b65c174f..5b0e7614 100644
--- a/object/check.go
+++ b/object/check.go
@@ -128,18 +128,6 @@ func CheckUserSignup(application *Application, organization *Organization, authF
 		}
 	}
 
-	if len(application.InvitationCodes) > 0 {
-		if authForm.InvitationCode == "" {
-			if application.IsSignupItemRequired("Invitation code") {
-				return i18n.Translate(lang, "check:Invitation code cannot be blank")
-			}
-		} else {
-			if !util.InSlice(application.InvitationCodes, authForm.InvitationCode) {
-				return i18n.Translate(lang, "check:Invitation code is invalid")
-			}
-		}
-	}
-
 	for _, signupItem := range application.SignupItems {
 		if signupItem.Regex == "" {
 			continue
diff --git a/web/src/ApplicationEditPage.js b/web/src/ApplicationEditPage.js
index 66829e0f..9c47dcdb 100644
--- a/web/src/ApplicationEditPage.js
+++ b/web/src/ApplicationEditPage.js
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import React from "react";
-import {Button, Card, Col, ConfigProvider, Input, InputNumber, List, Popover, Radio, Result, Row, Select, Space, Switch, Upload} from "antd";
+import {Button, Card, Col, ConfigProvider, Input, InputNumber, Popover, Radio, Result, Row, Select, Switch, Upload} from "antd";
 import {CopyOutlined, LinkOutlined, UploadOutlined} from "@ant-design/icons";
 import * as ApplicationBackend from "./backend/ApplicationBackend";
 import * as CertBackend from "./backend/CertBackend";
@@ -141,10 +141,6 @@ class ApplicationEditPage extends React.Component {
           application.tags = [];
         }
 
-        if (application.invitationCodes === null) {
-          application.invitationCodes = [];
-        }
-
         this.setState({
           application: application,
         });
@@ -873,52 +869,6 @@ class ApplicationEditPage extends React.Component {
                   />
                 </Col>
               </Row>
-              <Row style={{marginTop: "20px"}} >
-                <Col style={{marginTop: "5px"}} span={(Setting.isMobile()) ? 22 : 2}>
-                  {Setting.getLabel(i18next.t("application:Invitation code"), i18next.t("application:Invitation code - Tooltip"))} :
-                </Col>
-                <Col span={22} >
-                  <List
-                    header={
-                      <Button type="primary" onClick={() => {
-                        this.updateApplicationField("invitationCodes", Setting.addRow(this.state.application.invitationCodes, Setting.getRandomName()));
-                      }
-                      }>
-                        {i18next.t("general:Add")}
-                      </Button>
-                    }
-                    dataSource={this.state.application.invitationCodes.map(code => {
-                      return {code: code};
-                    })}
-                    renderItem={(item, index) => (
-                      <List.Item key={index}>
-                        <Space>
-                          <Input value={item.code} onChange={e => {
-                            const invitationCodes = [...this.state.application.invitationCodes];
-                            invitationCodes[index] = e.target.value;
-                            this.updateApplicationField("invitationCodes", invitationCodes);
-                          }} />
-                        </Space>
-                        <Space>
-                          <Button icon={<CopyOutlined />} onClick={() => {
-                            copy(item.code);
-                            Setting.showMessage("success", i18next.t("general:Copied to clipboard successfully"));
-                          }
-                          }>
-                            {i18next.t("general:Copy")}
-                          </Button>
-                          <Button type="primary" danger onClick={() => {
-                            this.updateApplicationField("invitationCodes", this.state.application.invitationCodes.filter(code => code !== item.code));
-                          }
-                          }>
-                            {i18next.t("general:Delete")}
-                          </Button>
-                        </Space>
-                      </List.Item>
-                    )}
-                  />
-                </Col>
-              </Row>
             </React.Fragment>
           )
         }