diff --git a/src/store/flow/flow.ts b/src/store/flow/flow.ts
index 7e50e38c6..3d70a85a9 100644
--- a/src/store/flow/flow.ts
+++ b/src/store/flow/flow.ts
@@ -34,7 +34,7 @@ export const getters: GetterTree<IFlowsState, IRootState> = {
       }
     }
   },
-  blockUuidsOnActiveFlow: (state, getters): IBlock['uuid'][] => getters.activeFlow?.blocks,
+  blocksOnActiveFlow: (state, getters): IBlock[] => getters.activeFlow?.blocks,
   isActiveFlowValid: (state, getters, rootState) => {
     const flowValidationResult = get(rootState.validation.validationStatuses, `flow/${getters.activeFlow.uuid}`)
     if (flowValidationResult && !flowValidationResult.isValid) {
diff --git a/src/store/flow/resource.ts b/src/store/flow/resource.ts
index ab66a64f0..192365435 100644
--- a/src/store/flow/resource.ts
+++ b/src/store/flow/resource.ts
@@ -32,6 +32,8 @@ export const getters: GetterTree<IFlowsState, IRootState> = {
   resourcesByUuidOnActiveFlow: (_state, getters) => keyBy(getters.activeFlow.resources, 'uuid'),
 
   resourceUuidsOnActiveFlow: (_state, getters) => compact(map(getters.activeFlow.resources, (res) => res.uuid)),
+
+  resourcesOnActiveFlow: (_state, getters) => getters.activeFlow.resources,
 }
 
 export const mutations: MutationTree<IFlowsState> = {
diff --git a/src/store/validation/index.ts b/src/store/validation/index.ts
index c827724ed..0d1afadb7 100644
--- a/src/store/validation/index.ts
+++ b/src/store/validation/index.ts
@@ -1,5 +1,5 @@
 import Vue from 'vue'
-import {ActionTree, GetterTree, Module, MutationTree} from 'vuex'
+import {ActionTree, GetterTree, Module, MutationTree, Store} from 'vuex'
 import {IRootState} from '@/store'
 import {ErrorObject} from 'ajv'
 import {
@@ -7,13 +7,11 @@ import {
   IContainer,
   IFlow,
   ILanguage,
-  getFlowStructureErrors,
   IResource,
   SupportedContentType,
   SupportedMode,
-
 } from '@floip/flow-runner'
-import {cloneDeep, each, filter, get, forIn, includes, intersection, isEmpty, map, uniqBy} from 'lodash'
+import {cloneDeep, each, filter, get, forIn, includes, intersection, isEmpty, map, uniqBy, debounce} from 'lodash'
 import {
   debugValidationStatus,
   flatValidationStatuses,
@@ -298,6 +296,50 @@ export const actions: ActionTree<IValidationState, IRootState> = {
   },
 }
 
+export function registerWatchers(store: Store<IRootState>): void {
+  const DEBOUNCE_VALIDATION_TIMER_MS = 300
+
+  store.watch(
+    (_, getters) => getters['flow/activeFlow'],
+    newFlow => debounce(
+      async () => {
+        console.debug('watch/activeFlow:', 'active flow has changed', 'Validating ...')
+        await store.dispatch('validate_flow', {flow: newFlow})
+      },
+      DEBOUNCE_VALIDATION_TIMER_MS,
+    ),
+    {deep: true, immediate: true},
+  )
+
+  store.watch(
+    (_, getters) => getters['flow/blocksOnActiveFlow'],
+    () => debounce(
+      async () => {
+        console.debug('watch/activeFlow.blocks:', 'blocks inside active flow have changed', 'Validating ...')
+        await store.dispatch('validate_allBlocksWithinFlow')
+      },
+      DEBOUNCE_VALIDATION_TIMER_MS,
+    ),
+    {deep: true, immediate: true},
+  )
+
+  store.watch(
+    (_, getters) => getters['flow/resourcesOnActiveFlow'],
+    newResources => debounce(
+      async () => {
+        console.debug('watch/activeFlow.resources:', 'resources inside active flow have changed', 'Validating ...')
+        await store.dispatch('validate_resourcesOnSupportedValues', {
+          resources: newResources,
+          supportedModes: this.activeFlow.supported_modes,
+          supportedLanguages: this.activeFlow.languages,
+        })
+      },
+      DEBOUNCE_VALIDATION_TIMER_MS,
+    ),
+    {deep: true, immediate: true},
+  )
+}
+
 export const store: Module<IValidationState, IRootState> = {
   namespaced: true,
   state: stateFactory,
diff --git a/src/views/InteractionDesigner.vue b/src/views/InteractionDesigner.vue
index 9dd156f5b..2c81c4093 100644
--- a/src/views/InteractionDesigner.vue
+++ b/src/views/InteractionDesigner.vue
@@ -48,20 +48,20 @@
 </template>
 
 <script lang="ts">
-import {cloneDeep, debounce, endsWith, forEach, get, includes, invoke, isEmpty, values} from 'lodash'
+import {endsWith, forEach, get, includes, invoke, isEmpty, values} from 'lodash'
 import {mixins} from 'vue-class-component'
 import {Component, Prop, Vue, Watch} from 'vue-property-decorator'
 import {Action, Getter, Mutation, namespace, State} from 'vuex-class'
 import Lang from '@/lib/filters/lang'
 import Routes from '@/lib/mixins/Routes'
 import {scrollBehavior, scrollBlockIntoView} from '@/router/helpers'
-import {store} from '@/store'
+import {IRootState, store} from '@/store'
 import ClipboardRoot from '@/components/interaction-designer/clipboard/ClipboardRoot.vue'
 import {Route} from 'vue-router'
-import {IBlock, IFlow, ILanguage, IResource, IResources, SupportedMode} from '@floip/flow-runner'
+import {IBlock, IFlow} from '@floip/flow-runner'
 import {ErrorObject} from 'ajv'
-import {MutationPayload} from 'vuex'
-import {IValidationStatus} from '@/store/validation'
+import {MutationPayload, Store} from 'vuex'
+import {registerWatchers} from '@/store/validation'
 
 Component.registerHooks(['beforeRouteUpdate'])
 
@@ -70,8 +70,6 @@ const builderNamespace = namespace('builder')
 const clipboardNamespace = namespace('clipboard')
 const validationVuexNamespace = namespace('validation')
 
-const DEBOUNCE_VALIDATION_TIMER_MS = 300
-
 @Component({
   components: {
     ClipboardRoot,
@@ -95,26 +93,6 @@ export class InteractionDesigner extends mixins(Lang, Routes) {
     },
   }) readonly builderConfig!: object
 
-  @validationVuexNamespace.Action validate_flow!: ({flow}: { flow: IFlow }) => Promise<IValidationStatus>
-  debounceFlowValidation = debounce(function (this: any, {newFlow}: {newFlow: IFlow}) {
-    console.debug('watch/activeFlow:', 'active flow has changed', `from ${this.mainComponent}.`, 'Validating ...')
-    this.validate_flow({flow: newFlow})
-  }, DEBOUNCE_VALIDATION_TIMER_MS)
-  @validationVuexNamespace.Action validate_allBlocksWithinFlow!: () => Promise<void>
-  debounceBlockValidation = debounce(function (this: any) {
-    console.debug('watch/activeFlow.blocks:', 'blocks inside active flow have changed', `from ${this.mainComponent}.`, 'Validating ...')
-    this.validate_allBlocksWithinFlow()
-  }, DEBOUNCE_VALIDATION_TIMER_MS)
-  @validationVuexNamespace.Action validate_resourcesOnSupportedValues!: (
-    {resources, supportedModes, supportedLanguages}: {resources: IResource[], supportedModes: SupportedMode[], supportedLanguages: ILanguage[]}
-  ) => Promise<void>
-
-  get blocksOnActiveFlowForWatcher(): IBlock[] {
-    // needed to make comparison between new & old values on watcher
-    return cloneDeep(this.activeFlow.blocks)
-  }
-  // ] ######### end Validation API Watchers
-
   toolbarHeight = 102
   // TODO: Move this to BlockClassDetails spec // an inversion can be "legacy types"
   pureVuejsBlocks = [
@@ -170,27 +148,6 @@ export class InteractionDesigner extends mixins(Lang, Routes) {
   @builderNamespace.Getter isResourceViewerCanvasEnabled!: boolean
   @clipboardNamespace.Getter isSimulatorActive!: boolean
 
-  // ###### Validation API Watchers [
-  @Watch('activeFlow', {deep: true, immediate: true})
-  async onActiveFlowChanged(newFlow: IFlow): Promise<void> {
-    this.debounceFlowValidation({newFlow})
-  }
-
-  @Watch('blocksOnActiveFlowForWatcher', {deep: true, immediate: true})
-  async onBlocksInActiveFlowChanged(newBlocks: IBlock[], oldBlocks: IBlock[]): Promise<void> {
-    this.debounceBlockValidation()
-  }
-
-  @Watch('activeFlow.resources', {deep: true, immediate: true})
-  async onResourcesOnActiveFlowChanged(newResources: IResources, oldResources: IResources): Promise<void> {
-    console.debug('watch/activeFlow.resources:', 'resources inside active flow have changed', `from ${this.mainComponent}.`, 'Validating ...')
-    await this.validate_resourcesOnSupportedValues({
-      resources: newResources,
-      supportedModes: this.activeFlow.supported_modes,
-      supportedLanguages: this.activeFlow.languages,
-    })
-  }
-
   get jsKey(): string {
     return get(this.selectedBlock, 'jsKey')
   }
@@ -230,6 +187,9 @@ export class InteractionDesigner extends mixins(Lang, Routes) {
     // Listen to Flow updates to maintain "hasFlowChanges" state
     this.$store.subscribe(this.handleFlowChanges.bind(this))
 
+    // watch state and run validations
+    registerWatchers(this.$store as Store<IRootState>)
+
     this.initializeTreeModel()
     // `this.mode` comes from captured param in js-routes
     this.updateIsEditableFromParams(this.mode)