diff --git a/src/Explorer/Controls/Accordion/AccordionComponent.tsx b/src/Explorer/Controls/Accordion/AccordionComponent.tsx
index 90685b6ba..06563c4a3 100644
--- a/src/Explorer/Controls/Accordion/AccordionComponent.tsx
+++ b/src/Explorer/Controls/Accordion/AccordionComponent.tsx
@@ -3,11 +3,10 @@
  */
 
 import * as React from "react";
-import * as Constants from "../../../Common/Constants";
 import AnimateHeight from "react-animate-height";
-
 import TriangleDownIcon from "../../../../images/Triangle-down.svg";
 import TriangleRightIcon from "../../../../images/Triangle-right.svg";
+import * as Constants from "../../../Common/Constants";
 
 export interface AccordionComponentProps {}
 
@@ -27,12 +26,12 @@ export interface AccordionItemComponentProps {
 }
 
 interface AccordionItemComponentState {
-  isExpanded: boolean;
+  isExpanded?: boolean;
 }
 
 export class AccordionItemComponent extends React.Component<AccordionItemComponentProps, AccordionItemComponentState> {
   private static readonly durationMS = 500;
-  private isExpanded: boolean;
+  private isExpanded?: boolean;
 
   constructor(props: AccordionItemComponentProps) {
     super(props);
@@ -79,7 +78,7 @@ export class AccordionItemComponent extends React.Component<AccordionItemCompone
     );
   }
 
-  private onHeaderClick = (event: React.MouseEvent<HTMLDivElement>): void => {
+  private onHeaderClick = (_event: React.MouseEvent<HTMLDivElement>): void => {
     this.setState({ isExpanded: !this.state.isExpanded });
   };
 
diff --git a/src/Explorer/Notebook/SchemaAnalyzer/SchemaAnalyzerHeader.tsx b/src/Explorer/Notebook/SchemaAnalyzer/SchemaAnalyzerHeader.tsx
index 2c91fdcaa..73f5a317e 100644
--- a/src/Explorer/Notebook/SchemaAnalyzer/SchemaAnalyzerHeader.tsx
+++ b/src/Explorer/Notebook/SchemaAnalyzer/SchemaAnalyzerHeader.tsx
@@ -13,7 +13,7 @@ import * as React from "react";
 type SchemaAnalyzerHeaderProps = {
   isKernelIdle: boolean;
   isKernelBusy: boolean;
-  onSampleSizeUpdated: (sampleSize: string) => void;
+  onSampleSizeUpdated: (sampleSize?: string) => void;
   onAnalyzeButtonClick: (filter: string, sampleSize: string) => void;
 };
 
@@ -30,15 +30,15 @@ export const SchemaAnalyzerHeader = ({
   onSampleSizeUpdated,
   onAnalyzeButtonClick,
 }: SchemaAnalyzerHeaderProps): JSX.Element => {
-  const [filter, setFilter] = React.useState<string>(DefaultFilter);
-  const [sampleSize, setSampleSize] = React.useState<string>(DefaultSampleSize);
+  const [filter, setFilter] = React.useState<string | undefined>(DefaultFilter);
+  const [sampleSize, setSampleSize] = React.useState<string | undefined>(DefaultSampleSize);
 
   return (
     <Stack horizontal tokens={{ childrenGap: 10 }}>
       <Stack.Item grow>
         <TextField
           value={filter}
-          onChange={(event, newValue) => setFilter(newValue)}
+          onChange={(_event, newValue?: string) => setFilter(newValue)}
           label="Filter"
           placeholder={FilterPlaceholder}
           disabled={!isKernelIdle}
@@ -47,7 +47,7 @@ export const SchemaAnalyzerHeader = ({
       <Stack.Item>
         <TextField
           value={sampleSize}
-          onChange={(event, newValue) => {
+          onChange={(_event, newValue?: string) => {
             const num = Number(newValue);
             if (!newValue || (num >= MinSampleSize && num <= MaxSampleSize)) {
               setSampleSize(newValue);
diff --git a/tsconfig.strict.json b/tsconfig.strict.json
index 3cd73bf9f..a032541fa 100644
--- a/tsconfig.strict.json
+++ b/tsconfig.strict.json
@@ -8,6 +8,7 @@
     "noUnusedParameters": true
   },
   "files": [
+    "./src/Explorer/Controls/Accordion/AccordionComponent.tsx",
     "./src/AuthType.ts",
     "./src/Bindings/ReactBindingHandler.ts",
     "./src/Common/ArrayHashMap.ts",
@@ -138,4 +139,4 @@
     "src/Terminal/**/*",
     "src/Utils/arm/**/*"
   ]
-}
+}
\ No newline at end of file