diff --git a/app/src/main/res/raw/initial_experiments.json b/app/src/main/res/raw/initial_experiments.json
index 5dc81c4d6..29a20bc5f 100644
--- a/app/src/main/res/raw/initial_experiments.json
+++ b/app/src/main/res/raw/initial_experiments.json
@@ -220,163 +220,6 @@
       "localizations": null,
       "locales": null,
       "publishedDate": "2024-02-01T19:06:38.368231Z"
-    },
-    {
-      "schemaVersion": "1.12.0",
-      "slug": "android-optimize-set-as-default-browser-screen",
-      "id": "android-optimize-set-as-default-browser-screen",
-      "arguments": {},
-      "application": "org.mozilla.fenix",
-      "appName": "fenix",
-      "appId": "org.mozilla.fenix",
-      "channel": "nightly",
-      "userFacingName": "Android - Optimize “Set as Default Browser” Screen",
-      "userFacingDescription": "This experiment is designed to optimize the set-to-default browser experience on Android.",
-      "isEnrollmentPaused": false,
-      "isRollout": false,
-      "bucketConfig": {
-        "randomizationUnit": "nimbus_id",
-        "namespace": "fenix-juno-onboarding-nightly-2",
-        "start": 0,
-        "count": 10000,
-        "total": 10000
-      },
-      "featureIds": [
-        "juno-onboarding"
-      ],
-      "probeSets": [],
-      "outcomes": [
-        {
-          "slug": "onboarding",
-          "priority": "primary"
-        },
-        {
-          "slug": "default-browser",
-          "priority": "secondary"
-        }
-      ],
-      "branches": [
-        {
-          "slug": "control",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "juno-onboarding",
-              "enabled": true,
-              "value": {}
-            }
-          ]
-        },
-        {
-          "slug": "treatment-a",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "juno-onboarding",
-              "enabled": true,
-              "value": {
-                "cards": {
-                  "default-browser": {
-                    "enabled": false
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-b",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "juno-onboarding",
-              "enabled": true,
-              "value": {
-                "cards": {
-                  "default-browser": {
-                    "title": "juno_onboarding_default_browser_title_nimbus_3",
-                    "body": "juno_onboarding_default_browser_description_nimbus_4"
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-c",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "juno-onboarding",
-              "enabled": true,
-              "value": {
-                "cards": {
-                  "default-browser": {
-                    "title": "juno_onboarding_default_browser_title_nimbus_4",
-                    "body": "",
-                    "image-res": "ic_onboarding_key_features"
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-d",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "juno-onboarding",
-              "enabled": true,
-              "value": {
-                "cards": {
-                  "default-browser": {
-                    "title": "juno_onboarding_default_browser_title_nimbus_4",
-                    "body": "juno_onboarding_default_browser_description_nimbus_5",
-                    "image-res": "ic_onboarding_key_features_icons_only"
-                  }
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "targeting": "((is_already_enrolled) || ((isFirstRun == 'true') && (app_version|versionCompare('124.!') >= 0) && (language in ['en'])))",
-      "startDate": "2024-03-08",
-      "enrollmentEndDate": null,
-      "endDate": null,
-      "proposedDuration": 35,
-      "proposedEnrollment": 21,
-      "referenceBranch": "control",
-      "featureValidationOptOut": false,
-      "localizations": null,
-      "locales": null,
-      "publishedDate": "2024-03-08T16:48:36.645956Z"
     }
   ]
 }