diff --git a/Build/Sources/TypeScript/recordlist/Resources/Public/TypeScript/ElementBrowser.ts b/Build/Sources/TypeScript/recordlist/Resources/Public/TypeScript/ElementBrowser.ts
index 992b0e650188d6afa8006241750af558d1a4a529..6ed67eb5fffe4acd4b5bc4540d2454ad28caead3 100644
--- a/Build/Sources/TypeScript/recordlist/Resources/Public/TypeScript/ElementBrowser.ts
+++ b/Build/Sources/TypeScript/recordlist/Resources/Public/TypeScript/ElementBrowser.ts
@@ -167,11 +167,6 @@ class ElementBrowser {
 
   public addElement(elName: string, elValue: string, altElValue: string, close: boolean): void {
     if (this.getParent()) {
-      if (this.getParent().setFormValueFromBrowseWin) {
-        console.warn('setFormValueFromBrowseWin has been marked as deprecated. Listen to message events instead.');
-        this.getParent().setFormValueFromBrowseWin(this.fieldReference, altElValue ? altElValue : elValue, elName);
-      }
-
       const message = {
         actionName: 'typo3:elementBrowser:elementAdded',
         fieldName: this.fieldReference,
diff --git a/typo3/sysext/backend/Resources/Public/JavaScript/FormEngine.js b/typo3/sysext/backend/Resources/Public/JavaScript/FormEngine.js
index 591510480e97645b27762160475a554eb1b010a1..5aaaa1276bce0a65baf1b8d10585ef25daaa2c8d 100644
--- a/typo3/sysext/backend/Resources/Public/JavaScript/FormEngine.js
+++ b/typo3/sysext/backend/Resources/Public/JavaScript/FormEngine.js
@@ -20,13 +20,6 @@
  *   - select fields: move selected items up and down via buttons, remove items etc
  */
 
-// add legacy functions to be accessible in the global scope
-var setFormValueOpenBrowser, // @deprecated
-  setFormValueFromBrowseWin, // @deprecated
-  setHiddenFromList, // @deprecated
-  setFormValueManipulate, // @deprecated
-  setFormValue_getFObj; // @deprecated
-
 /**
  * Module: TYPO3/CMS/Backend/FormEngine
  */
@@ -68,18 +61,6 @@ define(['jquery',
     browserUrl: ''
   };
 
-  /**
-   * Opens a popup window with the element browser (browser.php)
-   *
-   * @param {string} mode can be "db" or "file"
-   * @param {string} params additional params for the browser window
-   * @deprecated since TYPO3 v10.2, will be removed in TYPO3 v11.0. Use FormEngine.openPopupWindow() instead.
-   */
-  setFormValueOpenBrowser = function(mode, params) {
-    console.warn('setFormValueOpenBrowser() has been marked as deprecated and will be removed in TYPO3 v11. Use FormEngine.openPopupWindow instead.');
-    return FormEngine.openPopupWindow(mode, params);
-  };
-
   /**
    * Opens a popup window with the element browser (browser.php)
    *
@@ -94,27 +75,6 @@ define(['jquery',
     });
   };
 
-  /**
-   * properly fills the select field from the popup window (element browser, link browser)
-   * or from a multi-select (two selects side-by-side)
-   * previously known as "setFormValueFromBrowseWin"
-   *
-   * @param {string} fieldName Formerly known as "fsetFormValueFromBrowseWinName" name of the field, like [tt_content][2387][header]
-   * @param {string|number} value The value to fill in (could be an integer)
-   * @param {string} label The visible name in the selector
-   * @param {string} title The title when hovering over it
-   * @param {string} exclusiveValues If the select field has exclusive options that are not combine-able
-   * @param {$} $optionEl The jQuery object of the selected <option> tag
-   * @deprecated since TYPO3 v10.2, will be removed in TYPO3 v11.0. Use FormEngine.setSelectOptionFromExternalSource() instead.
-   */
-  setFormValueFromBrowseWin = function(fieldName, value, label, title, exclusiveValues, $optionEl) {
-    console.warn(
-      'setFormValueFromBrowseWin() has been marked as deprecated and will be removed in TYPO3 v11. '
-      + 'Use FormEngine.setSelectOptionFromExternalSource() or send a message instead.'
-    );
-    FormEngine.setSelectOptionFromExternalSource(fieldName, value, label, title, exclusiveValues, $optionEl);
-  };
-
   /**
    * properly fills the select field from the popup window (element browser, link browser)
    * or from a multi-select (two selects side-by-side)
@@ -253,19 +213,6 @@ define(['jquery',
     }
   };
 
-  /**
-   * sets the value of the hidden field, from the select list, always executed after the select field was updated
-   * previously known as global function setHiddenFromList()
-   *
-   * @param {HTMLElement} selectFieldEl the select field
-   * @param {HTMLElement} originalFieldEl the hidden form field
-   * @deprecated since TYPO3 v10.2, will be removed in TYPO3 v11.0. Use FormEngine.updateHiddenFieldValueFromSelect() instead.
-   */
-  setHiddenFromList = function(selectFieldEl, originalFieldEl) {
-    console.warn('setHiddenFromList() has been marked as deprecated and will be removed in TYPO3 v11. Use FormEngine.updateHiddenFieldValueFromSelect() instead.');
-    FormEngine.updateHiddenFieldValueFromSelect(selectFieldEl, originalFieldEl);
-  };
-
   /**
    * sets the value of the hidden field, from the select list, always executed after the select field was updated
    * previously known as global function setHiddenFromList()
@@ -284,201 +231,6 @@ define(['jquery',
     $(originalFieldEl).val(selectedValues.join(','));
   };
 
-  /**
-   * legacy function, can be removed once this function is not in use anymore
-   *
-   * @param {String} fName
-   * @param {String} type
-   * @param {Number} maxLength
-   * @deprecated since TYPO3 v10.2, will be removed in TYPO3 v11.0.
-   */
-  setFormValueManipulate = function(fName, type, maxLength) {
-    console.warn('setFormValueManipulate() has been marked as deprecated and will be removed in TYPO3 v11.');
-    var $formEl = FormEngine.getFormElement(fName);
-    if ($formEl.length > 0) {
-      var formObj = $formEl.get(0);
-      var localArray_V = [];
-      var localArray_L = [];
-      var localArray_S = [];
-      var localArray_T = [];
-      var fObjSel = formObj[fName + '_list'];
-      var l = fObjSel.length;
-      var c = 0;
-      var a;
-
-      if (type === 'RemoveFirstIfFull') {
-        if (maxLength == 1) {
-          for (a = 1; a < l; a++) {
-            if (fObjSel.options[a].selected != 1) {
-              localArray_V[c] = fObjSel.options[a].value;
-              localArray_L[c] = fObjSel.options[a].text;
-              localArray_S[c] = 0;
-              localArray_T[c] = fObjSel.options[a].title;
-              c++;
-            }
-          }
-        } else {
-          return;
-        }
-      }
-
-      if ((type === "Remove" && fObjSel.size > 1) || type === "Top" || type === "Bottom") {
-        if (type === "Top") {
-          for (a = 0; a < l; a++) {
-            if (fObjSel.options[a].selected == 1) {
-              localArray_V[c] = fObjSel.options[a].value;
-              localArray_L[c] = fObjSel.options[a].text;
-              localArray_S[c] = 1;
-              localArray_T[c] = fObjSel.options[a].title;
-              c++;
-            }
-          }
-        }
-        for (a = 0; a < l; a++) {
-          if (fObjSel.options[a].selected != 1) {
-            localArray_V[c] = fObjSel.options[a].value;
-            localArray_L[c] = fObjSel.options[a].text;
-            localArray_S[c] = 0;
-            localArray_T[c] = fObjSel.options[a].title;
-            c++;
-          }
-        }
-        if (type === "Bottom") {
-          for (a = 0; a < l; a++) {
-            if (fObjSel.options[a].selected == 1) {
-              localArray_V[c] = fObjSel.options[a].value;
-              localArray_L[c] = fObjSel.options[a].text;
-              localArray_S[c] = 1;
-              localArray_T[c] = fObjSel.options[a].title;
-              c++;
-            }
-          }
-        }
-      }
-      if (type === "Down") {
-        var tC = 0;
-        var tA = [];
-        var aa = 0;
-
-        for (a = 0; a < l; a++) {
-          if (fObjSel.options[a].selected != 1) {
-            // Add non-selected element:
-            localArray_V[c] = fObjSel.options[a].value;
-            localArray_L[c] = fObjSel.options[a].text;
-            localArray_S[c] = 0;
-            localArray_T[c] = fObjSel.options[a].title;
-            c++;
-
-            // Transfer any accumulated and reset:
-            if (tA.length > 0) {
-              for (aa = 0; aa < tA.length; aa++) {
-                localArray_V[c] = fObjSel.options[tA[aa]].value;
-                localArray_L[c] = fObjSel.options[tA[aa]].text;
-                localArray_S[c] = 1;
-                localArray_T[c] = fObjSel.options[tA[aa]].title;
-                c++;
-              }
-
-              tC = 0;
-              tA = [];
-            }
-          } else {
-            tA[tC] = a;
-            tC++;
-          }
-        }
-        // Transfer any remaining:
-        if (tA.length > 0) {
-          for (aa = 0; aa < tA.length; aa++) {
-            localArray_V[c] = fObjSel.options[tA[aa]].value;
-            localArray_L[c] = fObjSel.options[tA[aa]].text;
-            localArray_S[c] = 1;
-            localArray_T[c] = fObjSel.options[tA[aa]].title;
-            c++;
-          }
-        }
-      }
-      if (type === "Up") {
-        var tC = 0;
-        var tA = [];
-        var aa = 0;
-        c = l - 1;
-
-        for (a = l - 1; a >= 0; a--) {
-          if (fObjSel.options[a].selected != 1) {
-
-            // Add non-selected element:
-            localArray_V[c] = fObjSel.options[a].value;
-            localArray_L[c] = fObjSel.options[a].text;
-            localArray_S[c] = 0;
-            localArray_T[c] = fObjSel.options[a].title;
-            c--;
-
-            // Transfer any accumulated and reset:
-            if (tA.length > 0) {
-              for (aa = 0; aa < tA.length; aa++) {
-                localArray_V[c] = fObjSel.options[tA[aa]].value;
-                localArray_L[c] = fObjSel.options[tA[aa]].text;
-                localArray_S[c] = 1;
-                localArray_T[c] = fObjSel.options[tA[aa]].title;
-                c--;
-              }
-
-              tC = 0;
-              tA = [];
-            }
-          } else {
-            tA[tC] = a;
-            tC++;
-          }
-        }
-        // Transfer any remaining:
-        if (tA.length > 0) {
-          for (aa = 0; aa < tA.length; aa++) {
-            localArray_V[c] = fObjSel.options[tA[aa]].value;
-            localArray_L[c] = fObjSel.options[tA[aa]].text;
-            localArray_S[c] = 1;
-            localArray_T[c] = fObjSel.options[tA[aa]].title;
-            c--;
-          }
-        }
-        c = l;	// Restore length value in "c"
-      }
-
-      // Transfer items in temporary storage to list object:
-      fObjSel.length = c;
-      for (a = 0; a < c; a++) {
-        fObjSel.options[a].value = localArray_V[a];
-        fObjSel.options[a].text = localArray_L[a];
-        fObjSel.options[a].selected = localArray_S[a];
-        fObjSel.options[a].title = localArray_T[a];
-      }
-      FormEngine.updateHiddenFieldValueFromSelect(fObjSel, formObj[fName]);
-
-      FormEngine.legacyFieldChangedCb();
-    }
-  };
-
-
-  /**
-   * Legacy function
-   * returns the DOM object for the given form name of the current form,
-   * but only if the given field name is valid, legacy function, use "getFormElement" instead
-   *
-   * @param {String} fieldName the name of the field name
-   * @returns {*|HTMLElement}
-   * @deprecated since TYPO3 v10.2, will be removed in TYPO3 v11.0. Use FormEngine.getFormElement() instead.
-   */
-  setFormValue_getFObj = function(fieldName) {
-    console.warn('setFormValue_getFObj() has been marked as deprecated and will be removed in TYPO3 v11. Use FormEngine.getFormElement() instead.');
-    var $formEl = FormEngine.getFormElement(fieldName);
-    if ($formEl.length > 0) {
-      // return the DOM element of the form object
-      return $formEl.get(0);
-    }
-    return null;
-  };
-
   /**
    * returns a jQuery object for the given form name of the current form,
    * if the parameter "fieldName" is given, then the form element is only returned if the field name is available
diff --git a/typo3/sysext/core/Documentation/Changelog/master/Breaking-91473-DeprecatedFunctionalityRemoved.rst b/typo3/sysext/core/Documentation/Changelog/master/Breaking-91473-DeprecatedFunctionalityRemoved.rst
index d8005b4031d2bb057df505808d28fb10b25cff96..85ada851bb81473ad66909b062905f14aa36df29 100644
--- a/typo3/sysext/core/Documentation/Changelog/master/Breaking-91473-DeprecatedFunctionalityRemoved.rst
+++ b/typo3/sysext/core/Documentation/Changelog/master/Breaking-91473-DeprecatedFunctionalityRemoved.rst
@@ -252,6 +252,11 @@ The following global JavaScript functions have been removed:
 - :js:`rawurlencode`
 - :js:`str_replace`
 - :js:`openUrlInWindow`
+- :js:`setFormValueOpenBrowser`
+- :js:`setFormValueFromBrowseWin`
+- :js:`setHiddenFromList`
+- :js:`setFormValueManipulate`
+- :js:`setFormValue_getFObj`
 
 The following JavaScript modules have been removed:
 
diff --git a/typo3/sysext/recordlist/Resources/Public/JavaScript/ElementBrowser.js b/typo3/sysext/recordlist/Resources/Public/JavaScript/ElementBrowser.js
index 6bc5e8ae39dc2fda21e3385db6f17948574c408a..a8f696ac0d40a7609953cfeb69384431331244a6 100644
--- a/typo3/sysext/recordlist/Resources/Public/JavaScript/ElementBrowser.js
+++ b/typo3/sysext/recordlist/Resources/Public/JavaScript/ElementBrowser.js
@@ -10,4 +10,4 @@
  *
  * The TYPO3 project - inspiring people to share!
  */
-define(["require","exports","TYPO3/CMS/Backend/Utility/MessageUtility","jquery","TYPO3/CMS/Backend/Modal"],(function(e,t,r,i,n){"use strict";return new class{constructor(){this.opener=null,this.thisScriptUrl="",this.mode="",this.formFieldName="",this.fieldReference="",this.fieldReferenceSlashed="",this.rte={parameters:"",configuration:""},this.irre={objectId:0},this.focusOpenerAndClose=()=>{this.getParent()&&this.getParent().focus(),n.dismiss(),close()},i(()=>{const e=i("body").data();this.thisScriptUrl=e.thisScriptUrl,this.mode=e.mode,this.formFieldName=e.formFieldName,this.fieldReference=e.fieldReference,this.fieldReferenceSlashed=e.fieldReferenceSlashed,this.rte.parameters=e.rteParameters,this.rte.configuration=e.rteConfiguration,this.irre.objectId=e.irreObjectId})}setReferences(){return!!(this.getParent()&&this.getParent().content&&this.getParent().content.document.editform&&this.getParent().content.document.editform[this.formFieldName])&&(this.targetDoc=this.getParent().content.document,this.elRef=this.targetDoc.editform[this.formFieldName],!0)}executeFunctionByName(e,t,...r){const i=e.split("."),n=i.pop();for(let e of i)t=t[e];return t[n].apply(t,r)}getParent(){return null===this.opener&&(void 0!==window.parent&&void 0!==window.parent.document.list_frame&&null!==window.parent.document.list_frame.parent.document.querySelector(".t3js-modal-iframe")?this.opener=window.parent.document.list_frame:void 0!==window.parent&&void 0!==window.parent.frames.list_frame&&null!==window.parent.frames.list_frame.parent.document.querySelector(".t3js-modal-iframe")?this.opener=window.parent.frames.list_frame:void 0!==window.frames&&void 0!==window.frames.frameElement&&null!==window.frames.frameElement&&window.frames.frameElement.classList.contains("t3js-modal-iframe")?this.opener=window.frames.frameElement.contentWindow.parent:window.opener&&(this.opener=window.opener)),this.opener}insertElement(e,t,i,n,s,o,a,d,l){if(this.irre.objectId){if(this.getParent()){const i={actionName:"typo3:foreignRelation:insert",objectGroup:this.irre.objectId,table:e,uid:t};r.MessageUtility.send(i,this.getParent())}else alert("Error - reference to main window is not set properly!"),this.focusOpenerAndClose();return l&&this.focusOpenerAndClose(),!0}return!this.fieldReference||this.rte.parameters||this.rte.configuration||this.addElement(n,e+"_"+t,s,l),!1}addElement(e,t,i,n){if(this.getParent()){this.getParent().setFormValueFromBrowseWin&&(console.warn("setFormValueFromBrowseWin has been marked as deprecated. Listen to message events instead."),this.getParent().setFormValueFromBrowseWin(this.fieldReference,i||t,e));const s={actionName:"typo3:elementBrowser:elementAdded",fieldName:this.fieldReference,value:i||t,label:e};r.MessageUtility.send(s,this.getParent()),n&&this.focusOpenerAndClose()}else alert("Error - reference to main window is not set properly!"),this.focusOpenerAndClose()}}}));
\ No newline at end of file
+define(["require","exports","TYPO3/CMS/Backend/Utility/MessageUtility","jquery","TYPO3/CMS/Backend/Modal"],(function(e,t,r,i,n){"use strict";return new class{constructor(){this.opener=null,this.thisScriptUrl="",this.mode="",this.formFieldName="",this.fieldReference="",this.fieldReferenceSlashed="",this.rte={parameters:"",configuration:""},this.irre={objectId:0},this.focusOpenerAndClose=()=>{this.getParent()&&this.getParent().focus(),n.dismiss(),close()},i(()=>{const e=i("body").data();this.thisScriptUrl=e.thisScriptUrl,this.mode=e.mode,this.formFieldName=e.formFieldName,this.fieldReference=e.fieldReference,this.fieldReferenceSlashed=e.fieldReferenceSlashed,this.rte.parameters=e.rteParameters,this.rte.configuration=e.rteConfiguration,this.irre.objectId=e.irreObjectId})}setReferences(){return!!(this.getParent()&&this.getParent().content&&this.getParent().content.document.editform&&this.getParent().content.document.editform[this.formFieldName])&&(this.targetDoc=this.getParent().content.document,this.elRef=this.targetDoc.editform[this.formFieldName],!0)}executeFunctionByName(e,t,...r){const i=e.split("."),n=i.pop();for(let e of i)t=t[e];return t[n].apply(t,r)}getParent(){return null===this.opener&&(void 0!==window.parent&&void 0!==window.parent.document.list_frame&&null!==window.parent.document.list_frame.parent.document.querySelector(".t3js-modal-iframe")?this.opener=window.parent.document.list_frame:void 0!==window.parent&&void 0!==window.parent.frames.list_frame&&null!==window.parent.frames.list_frame.parent.document.querySelector(".t3js-modal-iframe")?this.opener=window.parent.frames.list_frame:void 0!==window.frames&&void 0!==window.frames.frameElement&&null!==window.frames.frameElement&&window.frames.frameElement.classList.contains("t3js-modal-iframe")?this.opener=window.frames.frameElement.contentWindow.parent:window.opener&&(this.opener=window.opener)),this.opener}insertElement(e,t,i,n,s,o,a,d,l){if(this.irre.objectId){if(this.getParent()){const i={actionName:"typo3:foreignRelation:insert",objectGroup:this.irre.objectId,table:e,uid:t};r.MessageUtility.send(i,this.getParent())}else alert("Error - reference to main window is not set properly!"),this.focusOpenerAndClose();return l&&this.focusOpenerAndClose(),!0}return!this.fieldReference||this.rte.parameters||this.rte.configuration||this.addElement(n,e+"_"+t,s,l),!1}addElement(e,t,i,n){if(this.getParent()){const s={actionName:"typo3:elementBrowser:elementAdded",fieldName:this.fieldReference,value:i||t,label:e};r.MessageUtility.send(s,this.getParent()),n&&this.focusOpenerAndClose()}else alert("Error - reference to main window is not set properly!"),this.focusOpenerAndClose()}}}));
\ No newline at end of file