diff --git a/core/src/main/kotlin/exposure/ExposureTracker.kt b/core/src/main/kotlin/exposure/ExposureTracker.kt
index 4adedc2..73fcd3b 100644
--- a/core/src/main/kotlin/exposure/ExposureTracker.kt
+++ b/core/src/main/kotlin/exposure/ExposureTracker.kt
@@ -111,7 +111,6 @@ internal fun Exposure.toAmplitudeEvents(): List<Event> {
         event.userProperties =
             JSONObject().apply {
                 val set = JSONObject()
-                val unset = JSONObject()
                 val flagType = variant.metadata?.get("flagType") as? String
                 if (flagType != FlagType.MUTUAL_EXCLUSION_GROUP) {
                     if (variant.key != null) {
@@ -119,7 +118,6 @@ internal fun Exposure.toAmplitudeEvents(): List<Event> {
                     }
                 }
                 put("\$set", set)
-                put("\$unset", unset)
             }
 
         // Insert ID includes flagKey to make it unique per flag