diff --git a/app/src/main/res/raw/initial_experiments.json b/app/src/main/res/raw/initial_experiments.json
index 1d486af1d..29a20bc5f 100644
--- a/app/src/main/res/raw/initial_experiments.json
+++ b/app/src/main/res/raw/initial_experiments.json
@@ -220,175 +220,6 @@
       "localizations": null,
       "locales": null,
       "publishedDate": "2024-02-01T19:06:38.368231Z"
-    },
-    {
-      "schemaVersion": "1.12.0",
-      "slug": "beta-fx-122-android-set-to-default-notifications-timing-experiment",
-      "id": "beta-fx-122-android-set-to-default-notifications-timing-experiment",
-      "arguments": {},
-      "application": "org.mozilla.firefox",
-      "appName": "fenix",
-      "appId": "org.mozilla.firefox",
-      "channel": "release",
-      "userFacingName": "Fx 122 Android set to default notifications timing experiment",
-      "userFacingDescription": "Timing test for the set to default message on Firefox for Android (Fenix).",
-      "isEnrollmentPaused": true,
-      "isRollout": false,
-      "bucketConfig": {
-        "randomizationUnit": "nimbus_id",
-        "namespace": "fenix-messaging-release-19",
-        "start": 0,
-        "count": 10000,
-        "total": 10000
-      },
-      "featureIds": [
-        "messaging"
-      ],
-      "probeSets": [],
-      "outcomes": [
-        {
-          "slug": "default-browser",
-          "priority": "primary"
-        }
-      ],
-      "branches": [
-        {
-          "slug": "control",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "messaging",
-              "enabled": true,
-              "value": {
-                "messages": {
-                  "{experiment}-en": {
-                    "is-control": true,
-                    "surface": "notification",
-                    "style": "NOTIFICATION",
-                    "action": "MAKE_DEFAULT_BROWSER",
-                    "trigger": [
-                      "I_AM_NOT_DEFAULT_BROWSER"
-                    ],
-                    "experiment": "{experiment}"
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-a",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "messaging",
-              "enabled": true,
-              "value": {
-                "messages": {
-                  "{experiment}-en": {
-                    "title": "Firefox is Fast and Private",
-                    "text": "Make Firefox your default browser",
-                    "surface": "notification",
-                    "style": "NOTIFICATION",
-                    "action": "MAKE_DEFAULT_BROWSER",
-                    "trigger": [
-                      "DAY_1_AFTER_INSTALL",
-                      "I_AM_NOT_DEFAULT_BROWSER"
-                    ],
-                    "experiment": "{experiment}"
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-b",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "messaging",
-              "enabled": true,
-              "value": {
-                "messages": {
-                  "{experiment}-en": {
-                    "title": "Firefox is Fast and Private",
-                    "text": "Make Firefox your default browser",
-                    "surface": "notification",
-                    "style": "NOTIFICATION",
-                    "action": "MAKE_DEFAULT_BROWSER",
-                    "trigger": [
-                      "DAY_3_AFTER_INSTALL",
-                      "I_AM_NOT_DEFAULT_BROWSER"
-                    ],
-                    "experiment": "{experiment}"
-                  }
-                }
-              }
-            }
-          ]
-        },
-        {
-          "slug": "treatment-c",
-          "ratio": 1,
-          "feature": {
-            "featureId": "this-is-included-for-mobile-pre-96-support",
-            "enabled": false,
-            "value": {}
-          },
-          "features": [
-            {
-              "featureId": "messaging",
-              "enabled": true,
-              "value": {
-                "messages": {
-                  "{experiment}-en": {
-                    "title": "Firefox is Fast and Private",
-                    "text": "Make Firefox your default browser",
-                    "surface": "notification",
-                    "style": "NOTIFICATION",
-                    "action": "MAKE_DEFAULT_BROWSER",
-                    "trigger": [
-                      "DAY_6_AFTER_INSTALL",
-                      "I_AM_NOT_DEFAULT_BROWSER"
-                    ],
-                    "experiment": "{experiment}"
-                  }
-                },
-                "triggers": {
-                  "DAY_6_AFTER_INSTALL": "days_since_install == 6"
-                }
-              }
-            }
-          ]
-        }
-      ],
-      "targeting": "((is_already_enrolled) || ((isFirstRun == 'true') && (app_version|versionCompare('122.!') >= 0) && (language in ['en'])))",
-      "startDate": "2024-01-23",
-      "enrollmentEndDate": "2024-02-14",
-      "endDate": null,
-      "proposedDuration": 43,
-      "proposedEnrollment": 14,
-      "referenceBranch": "control",
-      "featureValidationOptOut": false,
-      "localizations": null,
-      "locales": null,
-      "publishedDate": null
     }
   ]
 }