diff --git a/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewFragment.kt b/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewFragment.kt
index ba0250724c..f67b0946cc 100644
--- a/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewFragment.kt
@@ -59,7 +59,6 @@ data class AttachmentsPreviewArgs(
 ) : Parcelable
 
 class AttachmentsPreviewFragment @Inject constructor(
-        val viewModelFactory: AttachmentsPreviewViewModel.Factory,
         private val attachmentMiniaturePreviewController: AttachmentMiniaturePreviewController,
         private val attachmentBigPreviewController: AttachmentBigPreviewController,
         private val colorProvider: ColorProvider
diff --git a/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewViewModel.kt b/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewViewModel.kt
index 59a0937d89..28d617e613 100644
--- a/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/attachments/preview/AttachmentsPreviewViewModel.kt
@@ -17,31 +17,12 @@
 
 package im.vector.app.features.attachments.preview
 
-import com.airbnb.mvrx.FragmentViewModelContext
-import com.airbnb.mvrx.MvRxViewModelFactory
-import com.airbnb.mvrx.ViewModelContext
-import com.squareup.inject.assisted.Assisted
-import com.squareup.inject.assisted.AssistedInject
 import im.vector.app.core.extensions.exhaustive
 import im.vector.app.core.platform.VectorViewModel
 
-class AttachmentsPreviewViewModel @AssistedInject constructor(@Assisted initialState: AttachmentsPreviewViewState)
+class AttachmentsPreviewViewModel(initialState: AttachmentsPreviewViewState)
     : VectorViewModel<AttachmentsPreviewViewState, AttachmentsPreviewAction, AttachmentsPreviewViewEvents>(initialState) {
 
-    @AssistedInject.Factory
-    interface Factory {
-        fun create(initialState: AttachmentsPreviewViewState): AttachmentsPreviewViewModel
-    }
-
-    companion object : MvRxViewModelFactory<AttachmentsPreviewViewModel, AttachmentsPreviewViewState> {
-
-        @JvmStatic
-        override fun create(viewModelContext: ViewModelContext, state: AttachmentsPreviewViewState): AttachmentsPreviewViewModel? {
-            val fragment: AttachmentsPreviewFragment = (viewModelContext as FragmentViewModelContext).fragment()
-            return fragment.viewModelFactory.create(state)
-        }
-    }
-
     override fun handle(action: AttachmentsPreviewAction) {
         when (action) {
             is AttachmentsPreviewAction.SetCurrentAttachment          -> handleSetCurrentAttachment(action)
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityBottomSheet.kt b/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityBottomSheet.kt
index 813a58838c..c12dc621a9 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityBottomSheet.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityBottomSheet.kt
@@ -37,7 +37,6 @@ class RoomHistoryVisibilityBottomSheet : BottomSheetGeneric<RoomHistoryVisibilit
 
     private lateinit var roomHistoryVisibilitySharedActionViewModel: RoomHistoryVisibilitySharedActionViewModel
     @Inject lateinit var controller: RoomHistoryVisibilityController
-    @Inject lateinit var roomHistoryVisibilityViewModelFactory: RoomHistoryVisibilityViewModel.Factory
     private val viewModel: RoomHistoryVisibilityViewModel by fragmentViewModel(RoomHistoryVisibilityViewModel::class)
 
     override fun injectWith(injector: ScreenComponent) {
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityViewModel.kt b/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityViewModel.kt
index ce11f7b235..252865e4c5 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/settings/historyvisibility/RoomHistoryVisibilityViewModel.kt
@@ -16,31 +16,13 @@
 
 package im.vector.app.features.roomprofile.settings.historyvisibility
 
-import com.airbnb.mvrx.FragmentViewModelContext
-import com.airbnb.mvrx.MvRxViewModelFactory
-import com.airbnb.mvrx.ViewModelContext
-import com.squareup.inject.assisted.Assisted
-import com.squareup.inject.assisted.AssistedInject
 import im.vector.app.core.platform.EmptyAction
 import im.vector.app.core.platform.EmptyViewEvents
 import im.vector.app.core.platform.VectorViewModel
 
-class RoomHistoryVisibilityViewModel @AssistedInject constructor(@Assisted initialState: RoomHistoryVisibilityState)
+class RoomHistoryVisibilityViewModel(initialState: RoomHistoryVisibilityState)
     : VectorViewModel<RoomHistoryVisibilityState, EmptyAction, EmptyViewEvents>(initialState) {
 
-    @AssistedInject.Factory
-    interface Factory {
-        fun create(initialState: RoomHistoryVisibilityState): RoomHistoryVisibilityViewModel
-    }
-
-    companion object : MvRxViewModelFactory<RoomHistoryVisibilityViewModel, RoomHistoryVisibilityState> {
-        @JvmStatic
-        override fun create(viewModelContext: ViewModelContext, state: RoomHistoryVisibilityState): RoomHistoryVisibilityViewModel? {
-            val fragment: RoomHistoryVisibilityBottomSheet = (viewModelContext as FragmentViewModelContext).fragment()
-            return fragment.roomHistoryVisibilityViewModelFactory.create(state)
-        }
-    }
-
     override fun handle(action: EmptyAction) {
         // No op
     }
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleBottomSheet.kt b/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleBottomSheet.kt
index 4996187029..66c6be6086 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleBottomSheet.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleBottomSheet.kt
@@ -39,7 +39,6 @@ class RoomJoinRuleBottomSheet : BottomSheetGeneric<RoomJoinRuleState, RoomJoinRu
 
     private lateinit var roomJoinRuleSharedActionViewModel: RoomJoinRuleSharedActionViewModel
     @Inject lateinit var controller: RoomJoinRuleController
-    @Inject lateinit var roomJoinRuleViewModelFactory: RoomJoinRuleViewModel.Factory
     private val viewModel: RoomJoinRuleViewModel by fragmentViewModel(RoomJoinRuleViewModel::class)
 
     override fun injectWith(injector: ScreenComponent) {
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleViewModel.kt b/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleViewModel.kt
index 08d1f8a231..28c6f99f7c 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/settings/joinrule/RoomJoinRuleViewModel.kt
@@ -16,31 +16,13 @@
 
 package im.vector.app.features.roomprofile.settings.joinrule
 
-import com.airbnb.mvrx.FragmentViewModelContext
-import com.airbnb.mvrx.MvRxViewModelFactory
-import com.airbnb.mvrx.ViewModelContext
-import com.squareup.inject.assisted.Assisted
-import com.squareup.inject.assisted.AssistedInject
 import im.vector.app.core.platform.EmptyAction
 import im.vector.app.core.platform.EmptyViewEvents
 import im.vector.app.core.platform.VectorViewModel
 
-class RoomJoinRuleViewModel @AssistedInject constructor(@Assisted initialState: RoomJoinRuleState)
+class RoomJoinRuleViewModel(initialState: RoomJoinRuleState)
     : VectorViewModel<RoomJoinRuleState, EmptyAction, EmptyViewEvents>(initialState) {
 
-    @AssistedInject.Factory
-    interface Factory {
-        fun create(initialState: RoomJoinRuleState): RoomJoinRuleViewModel
-    }
-
-    companion object : MvRxViewModelFactory<RoomJoinRuleViewModel, RoomJoinRuleState> {
-        @JvmStatic
-        override fun create(viewModelContext: ViewModelContext, state: RoomJoinRuleState): RoomJoinRuleViewModel? {
-            val fragment: RoomJoinRuleBottomSheet = (viewModelContext as FragmentViewModelContext).fragment()
-            return fragment.roomJoinRuleViewModelFactory.create(state)
-        }
-    }
-
     override fun handle(action: EmptyAction) {
         // No op
     }