diff --git a/public/app/features/dashboard/state/PanelModel.ts b/public/app/features/dashboard/state/PanelModel.ts
index 59faf2587e2..4a7f8b8be05 100644
--- a/public/app/features/dashboard/state/PanelModel.ts
+++ b/public/app/features/dashboard/state/PanelModel.ts
@@ -107,15 +107,16 @@ const defaults: any = {
   transparent: false,
   options: {},
   datasource: null,
+  title: '',
 };
 
 export class PanelModel implements DataConfigSource {
   /* persisted id, used in URL to identify a panel */
-  id: number;
-  editSourceId: number;
-  gridPos: GridPos;
-  type: string;
-  title: string;
+  id!: number;
+  editSourceId?: number;
+  gridPos!: GridPos;
+  type!: string;
+  title!: string;
   alert?: any;
   scopedVars?: ScopedVars;
   repeat?: string;
diff --git a/public/app/features/panel/query_ctrl.ts b/public/app/features/panel/query_ctrl.ts
index aa3b3016135..c0a2d46b531 100644
--- a/public/app/features/panel/query_ctrl.ts
+++ b/public/app/features/panel/query_ctrl.ts
@@ -2,11 +2,11 @@ import _ from 'lodash';
 import { auto } from 'angular';
 
 export class QueryCtrl {
-  target: any;
-  datasource: any;
-  panelCtrl: any;
+  target!: any;
+  datasource!: any;
+  panelCtrl!: any;
   panel: any;
-  hasRawMode: boolean;
+  hasRawMode!: boolean;
   error?: string | null;
   isLastQuery: boolean;
 
diff --git a/public/app/features/profile/ChangePasswordPage.tsx b/public/app/features/profile/ChangePasswordPage.tsx
index c3c2553dabc..5c3346123fb 100644
--- a/public/app/features/profile/ChangePasswordPage.tsx
+++ b/public/app/features/profile/ChangePasswordPage.tsx
@@ -23,7 +23,7 @@ export const ChangePasswordPage: FC<Props> = ({ navModel }) => (
         teams: Team[],
         orgs: UserOrg[],
         sessions: UserSession[],
-        user: UserDTO
+        user?: UserDTO
       ) => {
         return (
           <Page.Contents>
@@ -31,7 +31,7 @@ export const ChangePasswordPage: FC<Props> = ({ navModel }) => (
             {states.loadUser ? (
               <LoadingPlaceholder text="Loading user profile..." />
             ) : (
-              <ChangePasswordForm user={user} onChangePassword={api.changePassword} isSaving={states.changePassword} />
+              <ChangePasswordForm user={user!} onChangePassword={api.changePassword} isSaving={states.changePassword} />
             )}
           </Page.Contents>
         );
diff --git a/public/app/features/profile/UserProfileEdit.tsx b/public/app/features/profile/UserProfileEdit.tsx
index 79a29d58980..135065856cd 100644
--- a/public/app/features/profile/UserProfileEdit.tsx
+++ b/public/app/features/profile/UserProfileEdit.tsx
@@ -27,7 +27,7 @@ export const UserProfileEdit: FC<Props> = ({ navModel }) => (
         teams: Team[],
         orgs: UserOrg[],
         sessions: UserSession[],
-        user: UserDTO
+        user?: UserDTO
       ) => {
         return (
           <Page.Contents>
@@ -37,7 +37,7 @@ export const UserProfileEdit: FC<Props> = ({ navModel }) => (
               <UserProfileEditForm
                 updateProfile={api.updateUserProfile}
                 isSavingUser={states.updateUserProfile}
-                user={user}
+                user={user!}
               />
             )}
             <SharedPreferences resourceUri="user" />
@@ -49,14 +49,14 @@ export const UserProfileEdit: FC<Props> = ({ navModel }) => (
                   setUserOrg={api.setUserOrg}
                   loadOrgs={api.loadOrgs}
                   orgs={orgs}
-                  user={user}
+                  user={user!}
                 />
                 <UserSessions
                   isLoading={states.loadSessions}
                   loadSessions={api.loadSessions}
                   revokeUserSession={api.revokeUserSession}
                   sessions={sessions}
-                  user={user}
+                  user={user!}
                 />
               </>
             )}
diff --git a/public/app/features/query/state/runRequest.test.ts b/public/app/features/query/state/runRequest.test.ts
index eec5ac41e5b..981ee3e5113 100644
--- a/public/app/features/query/state/runRequest.test.ts
+++ b/public/app/features/query/state/runRequest.test.ts
@@ -30,13 +30,13 @@ jest.mock('app/features/dashboard/services/DashboardSrv', () => ({
 }));
 
 class ScenarioCtx {
-  ds: DataSourceApi;
-  request: DataQueryRequest;
-  subscriber: Subscriber<DataQueryResponse>;
+  ds!: DataSourceApi;
+  request!: DataQueryRequest;
+  subscriber!: Subscriber<DataQueryResponse>;
   isUnsubbed = false;
   setupFn: () => void = () => {};
-  results: PanelData[];
-  subscription: Subscription;
+  results!: PanelData[];
+  subscription!: Subscription;
   wasStarted = false;
   error: Error | null = null;
   toStartTime = dateTime();
diff --git a/public/app/plugins/datasource/elasticsearch/components/QueryEditor/MetricAggregationsEditor/aggregations.ts b/public/app/plugins/datasource/elasticsearch/components/QueryEditor/MetricAggregationsEditor/aggregations.ts
index 7e31380fce6..b56fedd6480 100644
--- a/public/app/plugins/datasource/elasticsearch/components/QueryEditor/MetricAggregationsEditor/aggregations.ts
+++ b/public/app/plugins/datasource/elasticsearch/components/QueryEditor/MetricAggregationsEditor/aggregations.ts
@@ -49,11 +49,11 @@ export interface MetricAggregationWithInlineScript extends BaseMetricAggregation
   };
 }
 
-interface Count extends BaseMetricAggregation {
+export interface Count extends BaseMetricAggregation {
   type: 'count';
 }
 
-interface Average
+export interface Average
   extends MetricAggregationWithField,
     MetricAggregationWithMissingSupport,
     MetricAggregationWithInlineScript {
@@ -64,7 +64,7 @@ interface Average
   };
 }
 
-interface Sum extends MetricAggregationWithField, MetricAggregationWithInlineScript {
+export interface Sum extends MetricAggregationWithField, MetricAggregationWithInlineScript {
   type: 'sum';
   settings?: {
     script?: string;
@@ -72,7 +72,7 @@ interface Sum extends MetricAggregationWithField, MetricAggregationWithInlineScr
   };
 }
 
-interface Max extends MetricAggregationWithField, MetricAggregationWithInlineScript {
+export interface Max extends MetricAggregationWithField, MetricAggregationWithInlineScript {
   type: 'max';
   settings?: {
     script?: string;
@@ -80,7 +80,7 @@ interface Max extends MetricAggregationWithField, MetricAggregationWithInlineScr
   };
 }
 
-interface Min extends MetricAggregationWithField, MetricAggregationWithInlineScript {
+export interface Min extends MetricAggregationWithField, MetricAggregationWithInlineScript {
   type: 'min';
   settings?: {
     script?: string;
@@ -131,21 +131,21 @@ export interface UniqueCount extends MetricAggregationWithField {
   };
 }
 
-interface RawDocument extends BaseMetricAggregation {
+export interface RawDocument extends BaseMetricAggregation {
   type: 'raw_document';
   settings?: {
     size?: string;
   };
 }
 
-interface RawData extends BaseMetricAggregation {
+export interface RawData extends BaseMetricAggregation {
   type: 'raw_data';
   settings?: {
     size?: string;
   };
 }
 
-interface Logs extends BaseMetricAggregation {
+export interface Logs extends BaseMetricAggregation {
   type: 'logs';
 }
 
@@ -154,7 +154,7 @@ export interface BasePipelineMetricAggregation extends MetricAggregationWithFiel
   pipelineAgg?: string;
 }
 
-interface PipelineMetricAggregationWithMultipleBucketPaths extends BaseMetricAggregation {
+export interface PipelineMetricAggregationWithMultipleBucketPaths extends BaseMetricAggregation {
   type: PipelineMetricAggregationType;
   pipelineVariables?: PipelineVariable[];
 }
@@ -166,26 +166,27 @@ export interface MovingAverageModelOption {
   value: MovingAverageModel;
 }
 
-interface BaseMovingAverageModelSettings {
+export interface BaseMovingAverageModelSettings {
   model: MovingAverageModel;
   window: number;
   predict: number;
 }
 
-interface MovingAverageSimpleModelSettings extends BaseMovingAverageModelSettings {
+export interface MovingAverageSimpleModelSettings extends BaseMovingAverageModelSettings {
   model: 'simple';
 }
 
-interface MovingAverageLinearModelSettings extends BaseMovingAverageModelSettings {
+export interface MovingAverageLinearModelSettings extends BaseMovingAverageModelSettings {
   model: 'linear';
 }
 
-interface MovingAverageEWMAModelSettings extends BaseMovingAverageModelSettings {
+export interface MovingAverageEWMAModelSettings extends BaseMovingAverageModelSettings {
   model: 'ewma';
   alpha: number;
   minimize: boolean;
 }
-interface MovingAverageHoltModelSettings extends BaseMovingAverageModelSettings {
+
+export interface MovingAverageHoltModelSettings extends BaseMovingAverageModelSettings {
   model: 'holt';
   settings: {
     alpha?: number;
@@ -193,7 +194,8 @@ interface MovingAverageHoltModelSettings extends BaseMovingAverageModelSettings
   };
   minimize: boolean;
 }
-interface MovingAverageHoltWintersModelSettings extends BaseMovingAverageModelSettings {
+
+export interface MovingAverageHoltWintersModelSettings extends BaseMovingAverageModelSettings {
   model: 'holt_winters';
   settings: {
     alpha?: number;
@@ -232,7 +234,7 @@ export const isHoltWintersMovingAverage = (
   metric: MovingAverage | MovingAverage<'holt_winters'>
 ): metric is MovingAverage<'holt_winters'> => metric.settings?.model === 'holt_winters';
 
-interface MovingFunction extends BasePipelineMetricAggregation {
+export interface MovingFunction extends BasePipelineMetricAggregation {
   type: 'moving_fn';
   settings?: {
     window?: string;
@@ -255,7 +257,7 @@ export interface SerialDiff extends BasePipelineMetricAggregation {
   };
 }
 
-interface CumulativeSum extends BasePipelineMetricAggregation {
+export interface CumulativeSum extends BasePipelineMetricAggregation {
   type: 'cumulative_sum';
   settings?: {
     format?: string;
diff --git a/public/app/plugins/datasource/mysql/query_ctrl.ts b/public/app/plugins/datasource/mysql/query_ctrl.ts
index 00421e13913..f146a7af9e6 100644
--- a/public/app/plugins/datasource/mysql/query_ctrl.ts
+++ b/public/app/plugins/datasource/mysql/query_ctrl.ts
@@ -25,7 +25,7 @@ export class MysqlQueryCtrl extends QueryCtrl {
 
   formats: any[];
   lastQueryError?: string;
-  showHelp: boolean;
+  showHelp!: boolean;
 
   queryModel: MysqlQuery;
   metaBuilder: MysqlMetaQuery;
@@ -34,10 +34,10 @@ export class MysqlQueryCtrl extends QueryCtrl {
   whereAdd: any;
   timeColumnSegment: any;
   metricColumnSegment: any;
-  selectMenu: any[];
-  selectParts: SqlPart[][];
-  groupParts: SqlPart[];
-  whereParts: SqlPart[];
+  selectMenu: any[] = [];
+  selectParts: SqlPart[][] = [];
+  groupParts: SqlPart[] = [];
+  whereParts: SqlPart[] = [];
   groupAdd: any;
 
   /** @ngInject */
@@ -136,7 +136,6 @@ export class MysqlQueryCtrl extends QueryCtrl {
   }
 
   buildSelectMenu() {
-    this.selectMenu = [];
     const aggregates = {
       text: 'Aggregate Functions',
       value: 'aggregate',
diff --git a/public/app/plugins/panel/heatmap/rendering.ts b/public/app/plugins/panel/heatmap/rendering.ts
index 3812b61bada..73f177b8bce 100644
--- a/public/app/plugins/panel/heatmap/rendering.ts
+++ b/public/app/plugins/panel/heatmap/rendering.ts
@@ -33,20 +33,20 @@ export default function rendering(scope: any, elem: any, attrs: any, ctrl: any)
   return new HeatmapRenderer(scope, elem, attrs, ctrl);
 }
 export class HeatmapRenderer {
-  width: number;
-  height: number;
+  width = 200;
+  height = 200;
   yScale: any;
   xScale: any;
-  chartWidth: number;
-  chartHeight: number;
-  chartTop: number;
-  chartBottom: number;
-  yAxisWidth: number;
-  xAxisHeight: number;
-  cardPadding: number;
-  cardRound: number;
-  cardWidth: number;
-  cardHeight: number;
+  chartWidth = 0;
+  chartHeight = 0;
+  chartTop = 0;
+  chartBottom = 0;
+  yAxisWidth = 0;
+  xAxisHeight = 0;
+  cardPadding = 0;
+  cardRound = 0;
+  cardWidth = 0;
+  cardHeight = 0;
   colorScale: any;
   opacityScale: any;
   mouseUpHandler: any;
@@ -61,6 +61,7 @@ export class HeatmapRenderer {
   padding: any;
   margin: any;
   dataRangeWidingFactor: number;
+
   constructor(private scope: any, private elem: any, attrs: any, private ctrl: any) {
     // $heatmap is JQuery object, but heatmap is D3
     this.$heatmap = this.elem.find('.heatmap-panel');
@@ -75,9 +76,7 @@ export class HeatmapRenderer {
     this.padding = { left: 0, right: 0, top: 0, bottom: 0 };
     this.margin = { left: 25, right: 15, top: 10, bottom: 20 };
     this.dataRangeWidingFactor = DATA_RANGE_WIDING_FACTOR;
-
     this.ctrl.events.on(PanelEvents.render, this.onRender.bind(this));
-
     this.ctrl.tickValueFormatter = this.tickValueFormatter.bind(this);
 
     /////////////////////////////
diff --git a/public/app/plugins/panel/stat/types.ts b/public/app/plugins/panel/stat/types.ts
index 197c0d86e86..40207a654d9 100644
--- a/public/app/plugins/panel/stat/types.ts
+++ b/public/app/plugins/panel/stat/types.ts
@@ -23,8 +23,8 @@ export interface StatPanelOptions extends SingleStatBaseOptions {
   textMode: BigValueTextMode;
 }
 
-export function addStandardDataReduceOptions(
-  builder: PanelOptionsEditorBuilder<SingleStatBaseOptions>,
+export function addStandardDataReduceOptions<T extends SingleStatBaseOptions>(
+  builder: PanelOptionsEditorBuilder<T>,
   includeOrientation = true,
   includeFieldMatcher = true,
   includeTextSizes = true
diff --git a/public/app/plugins/panel/timeseries/config.ts b/public/app/plugins/panel/timeseries/config.ts
index 84d0d8cfb95..7bc9e3abd3a 100644
--- a/public/app/plugins/panel/timeseries/config.ts
+++ b/public/app/plugins/panel/timeseries/config.ts
@@ -261,7 +261,7 @@ export function addAxisConfig(
   }
 }
 
-export function addLegendOptions(builder: PanelOptionsEditorBuilder<OptionsWithLegend>) {
+export function addLegendOptions<T extends OptionsWithLegend>(builder: PanelOptionsEditorBuilder<T>) {
   builder
     .addRadio({
       path: 'legend.displayMode',
diff --git a/scripts/ci-check-strict.sh b/scripts/ci-check-strict.sh
index fed81064d43..bef8fc7bd9a 100755
--- a/scripts/ci-check-strict.sh
+++ b/scripts/ci-check-strict.sh
@@ -3,7 +3,7 @@ set -e
 
 echo -e "Collecting code stats (typescript errors & more)"
 
-ERROR_COUNT_LIMIT=452
+ERROR_COUNT_LIMIT=416
 ERROR_COUNT="$(./node_modules/.bin/tsc --project tsconfig.json --noEmit --strict true | grep -oP 'Found \K(\d+)')"
 
 if [ "$ERROR_COUNT" -gt $ERROR_COUNT_LIMIT ]; then