diff --git a/src/components/AmountTextInput.tsx b/src/components/AmountTextInput.tsx
index 256d95ba8419..5bd48781ccb3 100644
--- a/src/components/AmountTextInput.tsx
+++ b/src/components/AmountTextInput.tsx
@@ -39,7 +39,7 @@ type AmountTextInputProps = {
 
     /** Hide the focus styles on TextInput */
     hideFocusedState?: boolean;
-} & Pick<BaseTextInputProps, 'autoFocus' | 'autoGrowExtraSpace'>;
+} & Pick<BaseTextInputProps, 'autoFocus'>;
 
 function AmountTextInput(
     {
diff --git a/src/components/MoneyRequestAmountInput.tsx b/src/components/MoneyRequestAmountInput.tsx
index 717659c16fd3..a896ee3556bd 100644
--- a/src/components/MoneyRequestAmountInput.tsx
+++ b/src/components/MoneyRequestAmountInput.tsx
@@ -3,16 +3,15 @@ import React, {useCallback, useEffect, useImperativeHandle, useRef, useState} fr
 import type {NativeSyntheticEvent, StyleProp, TextStyle, ViewStyle} from 'react-native';
 import useLocalize from '@hooks/useLocalize';
 import {useMouseContext} from '@hooks/useMouseContext';
-import * as Browser from '@libs/Browser';
-import * as CurrencyUtils from '@libs/CurrencyUtils';
+import {isMobileSafari} from '@libs/Browser';
+import {convertToFrontendAmountAsString, getCurrencyDecimals} from '@libs/CurrencyUtils';
 import getOperatingSystem from '@libs/getOperatingSystem';
-import * as MoneyRequestUtils from '@libs/MoneyRequestUtils';
+import {replaceAllDigits, replaceCommasWithPeriod, stripCommaFromAmount, stripDecimalsFromAmount, stripSpacesFromAmount, validateAmount} from '@libs/MoneyRequestUtils';
 import shouldIgnoreSelectionWhenUpdatedManually from '@libs/shouldIgnoreSelectionWhenUpdatedManually';
 import CONST from '@src/CONST';
 import isTextInputFocused from './TextInput/BaseTextInput/isTextInputFocused';
 import type {BaseTextInputRef} from './TextInput/BaseTextInput/types';
 import TextInputWithCurrencySymbol from './TextInputWithCurrencySymbol';
-import type {TextInputWithCurrencySymbolProps} from './TextInputWithCurrencySymbol/types';
 
 type CurrentMoney = {amount: string; currency: string};
 
@@ -92,7 +91,7 @@ type MoneyRequestAmountInputProps = {
 
     /** The width of inner content */
     contentWidth?: number;
-} & Pick<TextInputWithCurrencySymbolProps, 'autoGrowExtraSpace'>;
+};
 
 type Selection = {
     start: number;
@@ -107,7 +106,7 @@ const getNewSelection = (oldSelection: Selection, prevLength: number, newLength:
     return {start: cursorPosition, end: cursorPosition};
 };
 
-const defaultOnFormatAmount = (amount: number, currency?: string) => CurrencyUtils.convertToFrontendAmountAsString(amount, currency ?? CONST.CURRENCY.USD);
+const defaultOnFormatAmount = (amount: number, currency?: string) => convertToFrontendAmountAsString(amount, currency ?? CONST.CURRENCY.USD);
 
 function MoneyRequestAmountInput(
     {
@@ -127,7 +126,6 @@ function MoneyRequestAmountInput(
         hideFocusedState = true,
         shouldKeepUserInput = false,
         autoGrow = true,
-        autoGrowExtraSpace,
         contentWidth,
         ...props
     }: MoneyRequestAmountInputProps,
@@ -139,7 +137,7 @@ function MoneyRequestAmountInput(
 
     const amountRef = useRef<string | undefined>(undefined);
 
-    const decimals = CurrencyUtils.getCurrencyDecimals(currency);
+    const decimals = getCurrencyDecimals(currency);
     const selectedAmountAsString = amount ? onFormatAmount(amount, currency) : '';
 
     const [currentAmount, setCurrentAmount] = useState(selectedAmountAsString);
@@ -161,13 +159,11 @@ function MoneyRequestAmountInput(
         (newAmount: string) => {
             // Remove spaces from the newAmount value because Safari on iOS adds spaces when pasting a copied value
             // More info: https://github.com/Expensify/App/issues/16974
-            const newAmountWithoutSpaces = MoneyRequestUtils.stripSpacesFromAmount(newAmount);
-            const finalAmount = newAmountWithoutSpaces.includes('.')
-                ? MoneyRequestUtils.stripCommaFromAmount(newAmountWithoutSpaces)
-                : MoneyRequestUtils.replaceCommasWithPeriod(newAmountWithoutSpaces);
+            const newAmountWithoutSpaces = stripSpacesFromAmount(newAmount);
+            const finalAmount = newAmountWithoutSpaces.includes('.') ? stripCommaFromAmount(newAmountWithoutSpaces) : replaceCommasWithPeriod(newAmountWithoutSpaces);
             // Use a shallow copy of selection to trigger setSelection
             // More info: https://github.com/Expensify/App/issues/16385
-            if (!MoneyRequestUtils.validateAmount(finalAmount, decimals)) {
+            if (!validateAmount(finalAmount, decimals)) {
                 setSelection((prevSelection) => ({...prevSelection}));
                 return;
             }
@@ -176,7 +172,7 @@ function MoneyRequestAmountInput(
 
             willSelectionBeUpdatedManually.current = true;
             let hasSelectionBeenSet = false;
-            const strippedAmount = MoneyRequestUtils.stripCommaFromAmount(finalAmount);
+            const strippedAmount = stripCommaFromAmount(finalAmount);
             amountRef.current = strippedAmount;
             setCurrentAmount((prevAmount) => {
                 const isForwardDelete = prevAmount.length > strippedAmount.length && forwardDeletePressedRef.current;
@@ -233,12 +229,12 @@ function MoneyRequestAmountInput(
     // Modifies the amount to match the decimals for changed currency.
     useEffect(() => {
         // If the changed currency supports decimals, we can return
-        if (MoneyRequestUtils.validateAmount(currentAmount, decimals)) {
+        if (validateAmount(currentAmount, decimals)) {
             return;
         }
 
         // If the changed currency doesn't support decimals, we can strip the decimals
-        setNewAmount(MoneyRequestUtils.stripDecimalsFromAmount(currentAmount));
+        setNewAmount(stripDecimalsFromAmount(currentAmount));
 
         // we want to update only when decimals change (setNewAmount also changes when decimals change).
         // eslint-disable-next-line react-compiler/react-compiler, react-hooks/exhaustive-deps
@@ -249,7 +245,7 @@ function MoneyRequestAmountInput(
      */
     const textInputKeyPress = ({nativeEvent}: NativeSyntheticEvent<KeyboardEvent>) => {
         const key = nativeEvent?.key.toLowerCase();
-        if (Browser.isMobileSafari() && key === CONST.PLATFORM_SPECIFIC_KEYS.CTRL.DEFAULT) {
+        if (isMobileSafari() && key === CONST.PLATFORM_SPECIFIC_KEYS.CTRL.DEFAULT) {
             // Optimistically anticipate forward-delete on iOS Safari (in cases where the Mac Accessiblity keyboard is being
             // used for input). If the Control-D shortcut doesn't get sent, the ref will still be reset on the next key press.
             forwardDeletePressedRef.current = true;
@@ -276,7 +272,7 @@ function MoneyRequestAmountInput(
         });
     }, [amount, currency, onFormatAmount, formatAmountOnBlur, maxLength]);
 
-    const formattedAmount = MoneyRequestUtils.replaceAllDigits(currentAmount, toLocaleDigit);
+    const formattedAmount = replaceAllDigits(currentAmount, toLocaleDigit);
 
     const {setMouseDown, setMouseUp} = useMouseContext();
     const handleMouseDown = (e: React.MouseEvent<Element, MouseEvent>) => {
@@ -291,7 +287,6 @@ function MoneyRequestAmountInput(
     return (
         <TextInputWithCurrencySymbol
             autoGrow={autoGrow}
-            autoGrowExtraSpace={autoGrowExtraSpace}
             disableKeyboard={disableKeyboard}
             formattedAmount={formattedAmount}
             onChangeAmount={setNewAmount}
diff --git a/src/components/TextInput/BaseTextInput/index.native.tsx b/src/components/TextInput/BaseTextInput/index.native.tsx
index d05cbfb278f2..a5d23c9431c7 100644
--- a/src/components/TextInput/BaseTextInput/index.native.tsx
+++ b/src/components/TextInput/BaseTextInput/index.native.tsx
@@ -49,7 +49,6 @@ function BaseTextInput(
         autoFocus = false,
         disableKeyboard = false,
         autoGrow = false,
-        autoGrowExtraSpace = 0,
         autoGrowHeight = false,
         maxAutoGrowHeight,
         hideFocusedState = false,
@@ -256,7 +255,6 @@ function BaseTextInput(
         styles.textInputContainer,
         textInputContainerStyles,
         !!contentWidth && StyleUtils.getWidthStyle(textInputWidth),
-        autoGrow && StyleUtils.getAutoGrowWidthInputContainerStyles(textInputWidth, autoGrowExtraSpace),
         !hideFocusedState && isFocused && styles.borderColorFocus,
         (!!hasError || !!errorText) && styles.borderColorDanger,
         autoGrowHeight && {scrollPaddingTop: typeof maxAutoGrowHeight === 'number' ? 2 * maxAutoGrowHeight : undefined},
@@ -351,8 +349,8 @@ function BaseTextInput(
                                 placeholderTextColor={placeholderTextColor ?? theme.placeholderText}
                                 underlineColorAndroid="transparent"
                                 style={[
-                                    styles.flex1,
-                                    styles.w100,
+                                    !autoGrow && styles.flex1,
+                                    !autoGrow && styles.w100,
                                     inputStyle,
                                     (!hasLabel || isMultiline) && styles.pv0,
                                     inputPaddingLeft,
@@ -463,32 +461,6 @@ function BaseTextInput(
                     </Text>
                 </View>
             )}
-            {/*
-                 Text input component doesn't support auto grow by default.
-                 This text view is used to calculate width or height of the input value given textStyle in this component.
-                 This Text component is intentionally positioned out of the screen.
-             */}
-            {(!!autoGrow || autoGrowHeight) && !isAutoGrowHeightMarkdown && (
-                <Text
-                    style={[
-                        inputStyle,
-                        autoGrowHeight && styles.autoGrowHeightHiddenInput(width ?? 0, typeof maxAutoGrowHeight === 'number' ? maxAutoGrowHeight : undefined),
-                        styles.hiddenElementOutsideOfWindow,
-                        styles.visibilityHidden,
-                    ]}
-                    onLayout={(e) => {
-                        if (e.nativeEvent.layout.width === 0 && e.nativeEvent.layout.height === 0) {
-                            return;
-                        }
-                        // Add +2 to width so that cursor is not cut off / covered at the end of text content
-                        setTextInputWidth(e.nativeEvent.layout.width + 2);
-                        setTextInputHeight(e.nativeEvent.layout.height);
-                    }}
-                >
-                    {/* \u200B added to solve the issue of not expanding the text input enough when the value ends with '\n' (https://github.com/Expensify/App/issues/21271) */}
-                    {value ? `${value}${value.endsWith('\n') ? '\u200B' : ''}` : placeholder}
-                </Text>
-            )}
         </>
     );
 }
diff --git a/src/components/TextInput/BaseTextInput/types.ts b/src/components/TextInput/BaseTextInput/types.ts
index 75b12c4593be..2eb296f92500 100644
--- a/src/components/TextInput/BaseTextInput/types.ts
+++ b/src/components/TextInput/BaseTextInput/types.ts
@@ -56,9 +56,6 @@ type CustomBaseTextInputProps = {
      */
     autoGrow?: boolean;
 
-    /** If autoGrow is enabled, this reserves extra space for incoming characters to prevent flickering on native platforms. */
-    autoGrowExtraSpace?: number;
-
     /**
      * Autogrow input container height based on the entered text
      */
diff --git a/src/components/TextInputWithCurrencySymbol/types.ts b/src/components/TextInputWithCurrencySymbol/types.ts
index 3988654584d0..401af75b16cd 100644
--- a/src/components/TextInputWithCurrencySymbol/types.ts
+++ b/src/components/TextInputWithCurrencySymbol/types.ts
@@ -77,7 +77,7 @@ type BaseTextInputWithCurrencySymbolProps = {
 
     /** Hide the focus styles on TextInput */
     hideFocusedState?: boolean;
-} & Pick<BaseTextInputProps, 'autoFocus' | 'autoGrow' | 'autoGrowExtraSpace' | 'contentWidth' | 'onPress'>;
+} & Pick<BaseTextInputProps, 'autoFocus' | 'autoGrow' | 'contentWidth' | 'onPress'>;
 
 type TextInputWithCurrencySymbolProps = Omit<BaseTextInputWithCurrencySymbolProps, 'onSelectionChange'> & {
     onSelectionChange?: (start: number, end: number) => void;
diff --git a/src/pages/iou/MoneyRequestAmountForm.tsx b/src/pages/iou/MoneyRequestAmountForm.tsx
index a948e43d8656..932fced3992b 100644
--- a/src/pages/iou/MoneyRequestAmountForm.tsx
+++ b/src/pages/iou/MoneyRequestAmountForm.tsx
@@ -19,7 +19,6 @@ import {convertToDisplayString, convertToFrontendAmountAsInteger, convertToFront
 import {canUseTouchScreen as canUseTouchScreenUtil} from '@libs/DeviceCapabilities';
 import {addLeadingZero} from '@libs/MoneyRequestUtils';
 import Navigation from '@libs/Navigation/Navigation';
-import variables from '@styles/variables';
 import type {BaseTextInputRef} from '@src/components/TextInput/BaseTextInput/types';
 import CONST from '@src/CONST';
 import type {Route} from '@src/ROUTES';
@@ -257,7 +256,6 @@ function MoneyRequestAmountForm(
             >
                 <MoneyRequestAmountInput
                     amount={amount}
-                    autoGrowExtraSpace={variables.w80}
                     currency={currency}
                     isCurrencyPressable={isCurrencyPressable}
                     onCurrencyButtonPress={onCurrencyButtonPress}