diff --git a/packages/react-core/src/components/NumberInput/NumberInput.tsx b/packages/react-core/src/components/NumberInput/NumberInput.tsx
index eea81b7e180..d4d3ed43954 100644
--- a/packages/react-core/src/components/NumberInput/NumberInput.tsx
+++ b/packages/react-core/src/components/NumberInput/NumberInput.tsx
@@ -51,8 +51,6 @@ export interface NumberInputProps extends React.HTMLProps<HTMLDivElement> {
   minusBtnProps?: ButtonProps;
   /** Additional properties added to the plus button */
   plusBtnProps?: ButtonProps;
-  /** Allow the user to clear out the input to an empty string (recommended) */
-  allowEmptyInput?: boolean;
 }
 
 type DefaultKeyDownHandlerArgs = Pick<NumberInputProps, 'inputName' | 'onMinus' | 'onPlus'>;
@@ -89,12 +87,8 @@ export const NumberInput: React.FunctionComponent<NumberInputProps> = ({
   inputProps,
   minusBtnProps,
   plusBtnProps,
-  allowEmptyInput = false,
   ...props
 }: NumberInputProps) => {
-  if (!allowEmptyInput) {
-    value = value || 0;
-  }
   const numberInputUnit = <div className={css(styles.numberInputUnit)}>{unit}</div>;
   const keyDownHandler =
     inputProps && inputProps.onKeyDown ? inputProps.onKeyDown : defaultKeyDownHandler({ inputName, onMinus, onPlus });
diff --git a/packages/react-core/src/components/NumberInput/__tests__/NumberInput.test.tsx b/packages/react-core/src/components/NumberInput/__tests__/NumberInput.test.tsx
index c043d5b7cb3..81b38cbf6f1 100644
--- a/packages/react-core/src/components/NumberInput/__tests__/NumberInput.test.tsx
+++ b/packages/react-core/src/components/NumberInput/__tests__/NumberInput.test.tsx
@@ -210,12 +210,6 @@ describe('numberInput', () => {
   test('renders 0 if null value passed', () => {
     render(<NumberInput value={null} />);
     const input = screen.getByRole('spinbutton');
-    expect(input).toHaveDisplayValue('0');
-  });
-
-  test('renders nothing if null value passed with allow empty', () => {
-    render(<NumberInput allowEmptyInput value={null} />);
-    const input = screen.getByRole('spinbutton');
     expect(input).toHaveDisplayValue('');
   });
 
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStep.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStep.tsx
index 47b47c281f7..c63f02b754b 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStep.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStep.tsx
@@ -24,7 +24,6 @@ export const NumberInputCustomStep: React.FunctionComponent = () => {
       inputAriaLabel="number input"
       minusBtnAriaLabel="minus"
       plusBtnAriaLabel="plus"
-      allowEmptyInput
     />
   );
 };
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStepAndThreshold.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStepAndThreshold.tsx
index b4fe60a4c2a..f410c255616 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStepAndThreshold.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputCustomStepAndThreshold.tsx
@@ -46,7 +46,6 @@ export const NumberInputCustomStepAndThreshold: React.FunctionComponent = () =>
       inputAriaLabel="number input"
       minusBtnAriaLabel="minus"
       plusBtnAriaLabel="plus"
-      allowEmptyInput
     />
   );
 };
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputDefault.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputDefault.tsx
index b229401c0db..4f86471db04 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputDefault.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputDefault.tsx
@@ -29,7 +29,6 @@ export const NumberInputDefault: React.FunctionComponent = () => {
       inputAriaLabel="number input"
       minusBtnAriaLabel="minus"
       plusBtnAriaLabel="plus"
-      allowEmptyInput
     />
   );
 };
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputDisabled.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputDisabled.tsx
index 30de6258745..5f182ac00df 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputDisabled.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputDisabled.tsx
@@ -35,7 +35,6 @@ export const NumberInputDisabled: React.FunctionComponent = () => {
       plusBtnAriaLabel="plus"
       unit="%"
       isDisabled
-      allowEmptyInput
     />
   );
 };
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputUnit.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputUnit.tsx
index 30ec3d7a139..5cab6f02cc5 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputUnit.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputUnit.tsx
@@ -37,7 +37,6 @@ export const NumberInputUnit: React.FunctionComponent = () => {
         minusBtnAriaLabel="minus 1"
         plusBtnAriaLabel="plus 1"
         unit="%"
-        allowEmptyInput
       />
       <br />
       <br />
@@ -52,7 +51,6 @@ export const NumberInputUnit: React.FunctionComponent = () => {
         plusBtnAriaLabel="plus 0.01"
         unit="$"
         unitPosition="before"
-        allowEmptyInput
       />
     </React.Fragment>
   );
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputUnitThreshold.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputUnitThreshold.tsx
index 80c4670673c..98cf3c66ed9 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputUnitThreshold.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputUnitThreshold.tsx
@@ -59,7 +59,6 @@ export const NumberInputUnitThreshold: React.FunctionComponent = () => {
         minusBtnAriaLabel="minus"
         plusBtnAriaLabel="plus"
         unit="%"
-        allowEmptyInput
       />
     </React.Fragment>
   );
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputVaryingSizes.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputVaryingSizes.tsx
index cb8ac42dbab..d6430cf9dbe 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputVaryingSizes.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputVaryingSizes.tsx
@@ -35,7 +35,6 @@ export const NumberInputVaryingSizes: React.FunctionComponent = () => {
         minusBtnAriaLabel="input 2 minus"
         plusBtnAriaLabel="input 2 plus"
         widthChars={1}
-        allowEmptyInput
       />
       <br />
       <br />
@@ -49,7 +48,6 @@ export const NumberInputVaryingSizes: React.FunctionComponent = () => {
         minusBtnAriaLabel="input 2 minus"
         plusBtnAriaLabel="input 2 plus"
         widthChars={10}
-        allowEmptyInput
       />
       <br />
       <br />
@@ -63,7 +61,6 @@ export const NumberInputVaryingSizes: React.FunctionComponent = () => {
         minusBtnAriaLabel="input 3 minus"
         plusBtnAriaLabel="input 3 plus"
         widthChars={5}
-        allowEmptyInput
       />
       <br />
       <br />
@@ -77,7 +74,6 @@ export const NumberInputVaryingSizes: React.FunctionComponent = () => {
         minusBtnAriaLabel="input 4 minus"
         plusBtnAriaLabel="input 4 plus"
         widthChars={5}
-        allowEmptyInput
       />
     </React.Fragment>
   );
diff --git a/packages/react-core/src/components/NumberInput/examples/NumberInputWithStatus.tsx b/packages/react-core/src/components/NumberInput/examples/NumberInputWithStatus.tsx
index 5e1b762cf39..ef776062074 100644
--- a/packages/react-core/src/components/NumberInput/examples/NumberInputWithStatus.tsx
+++ b/packages/react-core/src/components/NumberInput/examples/NumberInputWithStatus.tsx
@@ -53,7 +53,6 @@ export const NumberInputWithStatus: React.FunctionComponent = () => {
         inputAriaLabel="number input"
         minusBtnAriaLabel="minus"
         plusBtnAriaLabel="plus"
-        allowEmptyInput
       />
     </>
   );
diff --git a/packages/react-core/src/demos/examples/AlertGroup/AlertGroupToastWithNotificationDrawer.tsx b/packages/react-core/src/demos/examples/AlertGroup/AlertGroupToastWithNotificationDrawer.tsx
index 884cff92a50..242268e4dcd 100644
--- a/packages/react-core/src/demos/examples/AlertGroup/AlertGroupToastWithNotificationDrawer.tsx
+++ b/packages/react-core/src/demos/examples/AlertGroup/AlertGroupToastWithNotificationDrawer.tsx
@@ -349,7 +349,6 @@ export const AlertGroupToastWithNotificationDrawer: React.FunctionComponent = ()
           minusBtnAriaLabel="minus"
           plusBtnAriaLabel="plus"
           style={{ margin: '12px 0' }}
-          allowEmptyInput
         />
       </PageSection>
       <PageSection variant={PageSectionVariants.light}>
diff --git a/packages/react-integration/demo-app-ts/src/components/demos/NumberInputDemo/NumberInputDemo.tsx b/packages/react-integration/demo-app-ts/src/components/demos/NumberInputDemo/NumberInputDemo.tsx
index 9c3a401bb00..2811603b4ec 100644
--- a/packages/react-integration/demo-app-ts/src/components/demos/NumberInputDemo/NumberInputDemo.tsx
+++ b/packages/react-integration/demo-app-ts/src/components/demos/NumberInputDemo/NumberInputDemo.tsx
@@ -87,7 +87,6 @@ export class NumberInputDemo extends Component<NumberInputDemoState> {
           plusBtnProps={{ id: 'plus-button' }}
           unit="%"
           widthChars={5}
-          allowEmptyInput
         />
         <br />
         <br />
@@ -109,7 +108,6 @@ export class NumberInputDemo extends Component<NumberInputDemoState> {
           unit="$"
           unitPosition="before"
           isDisabled
-          allowEmptyInput
         />
         <br />
         <br />
@@ -131,7 +129,6 @@ export class NumberInputDemo extends Component<NumberInputDemoState> {
           plusBtnProps={{ id: 'plus-button3' }}
           unit="$"
           unitPosition="before"
-          allowEmptyInput
         />
       </React.Fragment>
     );