diff --git a/vector/src/main/java/im/vector/app/core/utils/DataSource.kt b/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
index f0880bb0f9..60ad91272b 100644
--- a/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
+++ b/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
@@ -26,8 +26,6 @@ interface DataSource<T> {
 
 interface MutableDataSource<T> : DataSource<T> {
 
-    suspend fun emit(value: T)
-
     fun post(value: T)
 }
 
@@ -45,10 +43,6 @@ open class BehaviorDataSource<T>(private val defaultValue: T? = null) : MutableD
         return mutableFlow
     }
 
-    override suspend fun emit(value: T) {
-        mutableFlow.emit(value)
-    }
-
     override fun post(value: T) {
         mutableFlow.tryEmit(value)
     }
@@ -67,10 +61,6 @@ open class PublishDataSource<T>(bufferSize: Int = 10) : MutableDataSource<T> {
         return mutableFlow
     }
 
-    override suspend fun emit(value: T) {
-        mutableFlow.emit(value)
-    }
-
     override fun post(value: T) {
         mutableFlow.tryEmit(value)
     }