diff --git a/src/ol/events/Event.js b/src/ol/events/Event.js
index c4c494384e..ad1be5ce5f 100644
--- a/src/ol/events/Event.js
+++ b/src/ol/events/Event.js
@@ -41,7 +41,6 @@ class Event {
 
   /**
    * Stop event propagation.
-   * @function
    * @api
    */
   preventDefault() {
@@ -50,7 +49,6 @@ class Event {
 
   /**
    * Stop event propagation.
-   * @function
    * @api
    */
   stopPropagation() {
diff --git a/src/ol/events/Target.js b/src/ol/events/Target.js
index cb51b211ec..ffc8d4257e 100644
--- a/src/ol/events/Target.js
+++ b/src/ol/events/Target.js
@@ -76,7 +76,6 @@ class Target extends Disposable {
    *     import("./Event.js").default|string} event Event object.
    * @return {boolean|undefined} `false` if anyone called preventDefault on the
    *     event object or if any of the listeners returned false.
-   * @function
    * @api
    */
   dispatchEvent(event) {
diff --git a/src/ol/events/condition.js b/src/ol/events/condition.js
index 69f5f90a90..e004729932 100644
--- a/src/ol/events/condition.js
+++ b/src/ol/events/condition.js
@@ -67,7 +67,6 @@ export const focus = function(event) {
  *
  * @param {import("../MapBrowserEvent.js").default} mapBrowserEvent Map browser event.
  * @return {boolean} True.
- * @function
  * @api
  */
 export const always = TRUE;
@@ -106,7 +105,6 @@ export const mouseActionButton = function(mapBrowserEvent) {
  *
  * @param {import("../MapBrowserEvent.js").default} mapBrowserEvent Map browser event.
  * @return {boolean} False.
- * @function
  * @api
  */
 export const never = FALSE;
diff --git a/src/ol/format/TextFeature.js b/src/ol/format/TextFeature.js
index 2d122248d4..d5f9b09933 100644
--- a/src/ol/format/TextFeature.js
+++ b/src/ol/format/TextFeature.js
@@ -90,7 +90,6 @@ class TextFeature extends FeatureFormat {
   /**
    * Read the projection from the source.
    *
-   * @function
    * @param {Document|Node|Object|string} source Source.
    * @return {import("../proj/Projection.js").default} Projection.
    * @api
@@ -111,7 +110,6 @@ class TextFeature extends FeatureFormat {
   /**
    * Encode a feature as a string.
    *
-   * @function
    * @param {import("../Feature.js").default} feature Feature.
    * @param {import("./Feature.js").WriteOptions=} opt_options Write options.
    * @return {string} Encoded feature.
@@ -154,7 +152,6 @@ class TextFeature extends FeatureFormat {
   /**
    * Write a single geometry.
    *
-   * @function
    * @param {import("../geom/Geometry.js").default} geometry Geometry.
    * @param {import("./Feature.js").WriteOptions=} opt_options Write options.
    * @return {string} Geometry.
diff --git a/src/ol/format/XMLFeature.js b/src/ol/format/XMLFeature.js
index 363a3b44d8..5a669085b2 100644
--- a/src/ol/format/XMLFeature.js
+++ b/src/ol/format/XMLFeature.js
@@ -79,7 +79,6 @@ class XMLFeature extends FeatureFormat {
   /**
    * Read all features from a feature collection.
    *
-   * @function
    * @param {Document|Node|Object|string} source Source.
    * @param {import("./Feature.js").ReadOptions=} opt_options Options.
    * @return {Array<import("../Feature.js").default>} Features.
diff --git a/src/ol/geom/Geometry.js b/src/ol/geom/Geometry.js
index 9ca464b0fa..b6f99deb5b 100644
--- a/src/ol/geom/Geometry.js
+++ b/src/ol/geom/Geometry.js
@@ -158,10 +158,8 @@ class Geometry extends BaseObject {
    * https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm
    * Douglas Peucker} algorithm.  For polygons, a quantization-based
    * simplification is used to preserve topology.
-   * @function
    * @param {number} tolerance The tolerance distance for simplification.
-   * @return {import("./Geometry.js").default} A new, simplified version of the original
-   *     geometry.
+   * @return {import("./Geometry.js").default} A new, simplified version of the original geometry.
    * @api
    */
   simplify(tolerance) {