diff --git a/CHANGES.md b/CHANGES.md
index f86532ab4ec0..f973fdd66393 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,6 @@
 
 ##### Additions :tada:
 
-- Added `Cesium3DTileset.pickPrimitive` for rendering primitives instead of the tileset during the pick pass.
 - Added support for drawing ground primitives on translucent 3D Tiles. [#9399](https://github.com/CesiumGS/cesium/pull/9399)
 
 ### 1.79.1 - 2021-03-01
diff --git a/Source/Scene/Cesium3DTileset.js b/Source/Scene/Cesium3DTileset.js
index 243c50b30fde..19094051d8f9 100644
--- a/Source/Scene/Cesium3DTileset.js
+++ b/Source/Scene/Cesium3DTileset.js
@@ -91,7 +91,6 @@ import TileOrientedBoundingBox from "./TileOrientedBoundingBox.js";
  * @param {String} [options.specularEnvironmentMaps] A URL to a KTX file that contains a cube map of the specular lighting and the convoluted specular mipmaps.
  * @param {Boolean} [options.backFaceCulling=true] Whether to cull back-facing geometry. When true, back face culling is determined by the glTF material's doubleSided property; when false, back face culling is disabled.
  * @param {String} [options.debugHeatmapTilePropertyName] The tile variable to colorize as a heatmap. All rendered tiles will be colorized relative to each other's specified variable value.
- * @param {Object} [options.pickPrimitive] The primitive to be rendered during the pick pass instead of the tileset.
  * @param {Boolean} [options.debugFreezeFrame=false] For debugging only. Determines if only the tiles from last frame should be used for rendering.
  * @param {Boolean} [options.debugColorizeTiles=false] For debugging only. When true, assigns a random color to each tile.
  * @param {Boolean} [options.debugWireframe=false] For debugging only. When true, render's each tile's content as a wireframe.
@@ -762,13 +761,6 @@ function Cesium3DTileset(options) {
    */
   this.backFaceCulling = defaultValue(options.backFaceCulling, true);
 
-  /**
-   * The primitive to be rendered during the pick pass instead of the tileset.
-   *
-   * @type {Object}
-   */
-  this.pickPrimitive = options.pickPrimitive;
-
   /**
    * This property is for debugging only; it is not optimized for production use.
    * <p>
@@ -2552,17 +2544,13 @@ Cesium3DTileset.prototype.updateForPass = function (
   var passStatistics = this._statisticsPerPass[pass];
 
   if (this.show || ignoreCommands) {
-    if (frameState.passes.pick && defined(this.pickPrimitive)) {
-      this.pickPrimitive.update(frameState);
-    } else {
-      this._pass = pass;
-      tilesetPassState.ready = update(
-        this,
-        frameState,
-        passStatistics,
-        passOptions
-      );
-    }
+    this._pass = pass;
+    tilesetPassState.ready = update(
+      this,
+      frameState,
+      passStatistics,
+      passOptions
+    );
   }
 
   if (ignoreCommands) {
diff --git a/Specs/Scene/Cesium3DTilesetSpec.js b/Specs/Scene/Cesium3DTilesetSpec.js
index 27a68cd98693..76c442441d30 100644
--- a/Specs/Scene/Cesium3DTilesetSpec.js
+++ b/Specs/Scene/Cesium3DTilesetSpec.js
@@ -719,29 +719,6 @@ describe(
       );
     });
 
-    function loadTilesetAtFullDetail(url) {
-      return Cesium3DTilesTester.loadTileset(scene, url).then(function (
-        tileset
-      ) {
-        tileset.maximumScreenSpaceError = 0.0;
-        return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset);
-      });
-    }
-
-    it("renders pickPrimitive during pick pass if defined", function () {
-      viewRootOnly();
-      return when
-        .all([
-          loadTilesetAtFullDetail(tilesetUrl),
-          loadTilesetAtFullDetail(withBatchTableUrl),
-        ])
-        .then(function (tilesets) {
-          tilesets[0].pickPrimitive = tilesets[1];
-          expect(tilesets[0].pickPrimitive).toEqual(tilesets[1]);
-          expect(scene).toPickPrimitive(tilesets[1]);
-        });
-    });
-
     it("verify statistics", function () {
       options.url = tilesetUrl;
       var tileset = scene.primitives.add(new Cesium3DTileset(options));