diff --git a/src/core_plugins/metrics/public/kbn_vis_types/request_handler.js b/src/core_plugins/metrics/public/kbn_vis_types/request_handler.js
index f20c998b845b..51bce4c094fb 100644
--- a/src/core_plugins/metrics/public/kbn_vis_types/request_handler.js
+++ b/src/core_plugins/metrics/public/kbn_vis_types/request_handler.js
@@ -28,10 +28,10 @@ const MetricsRequestHandlerProvider = function (Private, Notifier, config, $http
 
   return {
     name: 'metrics',
-    handler: function (vis, { uiState, timeRange, filters, query }) {
+    handler: function ({ aggs, uiState, timeRange, filters, query, visParams }) {
       const timezone = Private(timezoneProvider)();
       return new Promise((resolve) => {
-        const panel = vis.params;
+        const panel = visParams;
         const uiStateObj = uiState.get(panel.type, {});
         const parsedTimeRange = timefilter.calculateBounds(timeRange);
         const scaledDataFormat = config.get('dateFormat:scaled');
@@ -39,7 +39,7 @@ const MetricsRequestHandlerProvider = function (Private, Notifier, config, $http
         if (panel && panel.id) {
           const params = {
             timerange: { timezone, ...parsedTimeRange },
-            filters: [buildEsQuery(vis.indexPattern, [query], filters)],
+            filters: [buildEsQuery(aggs.indexPattern, [query], filters)],
             panels: [panel],
             state: uiStateObj
           };
diff --git a/src/core_plugins/timelion/public/vis/timelion_request_handler.js b/src/core_plugins/timelion/public/vis/timelion_request_handler.js
index f79332c56144..a2aa4b8f5582 100644
--- a/src/core_plugins/timelion/public/vis/timelion_request_handler.js
+++ b/src/core_plugins/timelion/public/vis/timelion_request_handler.js
@@ -31,21 +31,21 @@ const TimelionRequestHandlerProvider = function (Private, Notifier, $http) {
 
   return {
     name: 'timelion',
-    handler: function (vis, { timeRange, filters, query }) {
+    handler: function ({ aggs, timeRange, filters, query, visParams }) {
 
       return new Promise((resolve, reject) => {
-        const expression = vis.params.expression;
+        const expression = visParams.expression;
         if (!expression) return;
 
         const httpResult = $http.post('../api/timelion/run', {
           sheet: [expression],
           extended: {
             es: {
-              filter: buildEsQuery(vis.indexPattern, [query], filters)
+              filter: buildEsQuery(aggs.indexPattern, [query], filters)
             }
           },
           time: _.extend(timeRange, {
-            interval: vis.params.interval,
+            interval: visParams.interval,
             timezone: timezone
           }),
         })
diff --git a/src/core_plugins/vega/public/vega_request_handler.js b/src/core_plugins/vega/public/vega_request_handler.js
index f65c5b95f4c5..3fba8216c723 100644
--- a/src/core_plugins/vega/public/vega_request_handler.js
+++ b/src/core_plugins/vega/public/vega_request_handler.js
@@ -33,10 +33,10 @@ export function VegaRequestHandlerProvider(Private, es, serviceSettings) {
 
     name: 'vega',
 
-    handler(vis, { timeRange, filters, query }) {
+    handler({ aggs, timeRange, filters, query, visParams }) {
       timeCache.setTimeRange(timeRange);
-      const filtersDsl = buildEsQuery(vis.indexPattern, [query], filters);
-      const vp = new VegaParser(vis.params.spec, searchCache, timeCache, filtersDsl, serviceSettings);
+      const filtersDsl = buildEsQuery(aggs.indexPattern, [query], filters);
+      const vp = new VegaParser(visParams.spec, searchCache, timeCache, filtersDsl, serviceSettings);
       return vp.parseAsync();
     }
 
diff --git a/src/ui/public/vis/request_handlers/courier.js b/src/ui/public/vis/request_handlers/courier.js
index fba0c221f018..844a472bb668 100644
--- a/src/ui/public/vis/request_handlers/courier.js
+++ b/src/ui/public/vis/request_handlers/courier.js
@@ -30,7 +30,7 @@ const CourierRequestHandlerProvider = function () {
 
   return {
     name: 'courier',
-    handler: async function (vis, {
+    handler: async function ({
       searchSource,
       aggs,
       timeRange,
@@ -38,7 +38,9 @@ const CourierRequestHandlerProvider = function () {
       filters,
       forceFetch,
       partialRows,
+      isHierarchical,
       inspectorAdapters,
+      queryFilter
     }) {
 
       // Create a new search source that inherits the original search source
@@ -65,7 +67,7 @@ const CourierRequestHandlerProvider = function () {
       });
 
       requestSearchSource.setField('aggs', function () {
-        return aggs.toDsl(vis.isHierarchical());
+        return aggs.toDsl(isHierarchical);
       });
 
       requestSearchSource.onRequestStart((searchSource, searchRequest) => {
@@ -130,24 +132,23 @@ const CourierRequestHandlerProvider = function () {
       }
 
       const parsedTimeRange = timeRange ? getTime(aggs.indexPattern, timeRange) : null;
-      const tabifyAggs = vis.getAggConfig();
       const tabifyParams = {
-        metricsAtAllLevels: vis.isHierarchical(),
+        metricsAtAllLevels: isHierarchical,
         partialRows,
         timeRange: parsedTimeRange ? parsedTimeRange.range : undefined,
       };
 
-      const tabifyCacheHash = calculateObjectHash({ tabifyAggs, ...tabifyParams });
+      const tabifyCacheHash = calculateObjectHash({ tabifyAggs: aggs, ...tabifyParams });
       // We only need to reexecute tabify, if either we did a new request or some input params to tabify changed
       const shouldCalculateNewTabify = shouldQuery || (searchSource.lastTabifyHash !== tabifyCacheHash);
 
       if (shouldCalculateNewTabify) {
         searchSource.lastTabifyHash = tabifyCacheHash;
-        searchSource.tabifiedResponse = tabifyAggResponse(tabifyAggs, searchSource.finalResponse, tabifyParams);
+        searchSource.tabifiedResponse = tabifyAggResponse(aggs, searchSource.finalResponse, tabifyParams);
       }
 
       inspectorAdapters.data.setTabularLoader(
-        () => buildTabularInspectorData(searchSource.tabifiedResponse, vis.API.queryFilter),
+        () => buildTabularInspectorData(searchSource.tabifiedResponse, queryFilter),
         { returnsFormattedValues: true }
       );
 
diff --git a/src/ui/public/vis/request_handlers/request_handlers.d.ts b/src/ui/public/vis/request_handlers/request_handlers.d.ts
index e8261dd9b34f..357cced0e1fb 100644
--- a/src/ui/public/vis/request_handlers/request_handlers.d.ts
+++ b/src/ui/public/vis/request_handlers/request_handlers.d.ts
@@ -36,9 +36,11 @@ export interface RequestHandlerParams {
   uiState: PersistedState;
   partialRows?: boolean;
   inspectorAdapters?: Adapters;
+  isHierarchical?: boolean;
+  visParams?: any;
 }
 
-export type RequestHandler = <T>(vis: Vis, params: RequestHandlerParams) => T;
+export type RequestHandler = <T>(params: RequestHandlerParams) => T;
 
 export interface RequestHandlerDescription {
   name: string;
diff --git a/src/ui/public/visualize/loader/visualize_data_loader.ts b/src/ui/public/visualize/loader/visualize_data_loader.ts
index 0488ab680830..52f78e83d39d 100644
--- a/src/ui/public/visualize/loader/visualize_data_loader.ts
+++ b/src/ui/public/visualize/loader/visualize_data_loader.ts
@@ -74,8 +74,10 @@ export class VisualizeDataLoader {
 
     try {
       // searchSource is only there for courier request handler
-      const requestHandlerResponse = await this.requestHandler(this.vis, {
+      const requestHandlerResponse = await this.requestHandler({
         partialRows: this.vis.params.partialRows || this.vis.type.requiresPartialRows,
+        isHierarchical: this.vis.isHierarchical(),
+        visParams: this.vis.params,
         ...params,
         filters: params.filters
           ? params.filters.filter(filter => !filter.meta.disabled)