diff --git a/src/CONST.js b/src/CONST.js
index 2b8aece7816..031b251bcb0 100755
--- a/src/CONST.js
+++ b/src/CONST.js
@@ -35,64 +35,6 @@ const CONST = {
     ARROW_HIDE_DELAY: 3000,
 
     API_ATTACHMENT_VALIDATIONS: {
-        // Same as the PHP layer allows
-        /* eslint-disable-next-line max-len */
-        UNALLOWED_EXTENSIONS: [
-            'ade',
-            'adp',
-            'apk',
-            'appx',
-            'appxbundle',
-            'bat',
-            'cab',
-            'chm',
-            'cmd',
-            'com',
-            'cpl',
-            'diagcab',
-            'diagcfg',
-            'diagpack',
-            'dll',
-            'dmg',
-            'ex',
-            'ex_',
-            'exe',
-            'hta',
-            'img',
-            'ins',
-            'iso',
-            'isp',
-            'jar',
-            'jnlp',
-            'js',
-            'jse',
-            'lib',
-            'lnk',
-            'mde',
-            'msc',
-            'msi',
-            'msix',
-            'msixbundle',
-            'msp',
-            'mst',
-            'nsh',
-            'pif',
-            'ps1',
-            'scr',
-            'sct',
-            'shb',
-            'sys',
-            'vb',
-            'vbe',
-            'vbs',
-            'vhd',
-            'vxd',
-            'wsc',
-            'wsf',
-            'wsh',
-            'xll',
-        ],
-
         // 24 megabytes in bytes, this is limit set on servers, do not update without wider internal discussion
         MAX_SIZE: 25165824,
 
diff --git a/src/components/AttachmentModal.js b/src/components/AttachmentModal.js
index 7bfd6e30f39..dbfdefe7a0f 100755
--- a/src/components/AttachmentModal.js
+++ b/src/components/AttachmentModal.js
@@ -184,16 +184,6 @@ function AttachmentModal(props) {
      * @returns {Boolean}
      */
     const isValidFile = useCallback((_file) => {
-        const {fileExtension} = FileUtils.splitExtensionFromFileName(lodashGet(_file, 'name', ''));
-        if (_.contains(CONST.API_ATTACHMENT_VALIDATIONS.UNALLOWED_EXTENSIONS, fileExtension.toLowerCase())) {
-            const invalidReason = 'attachmentPicker.notAllowedExtension';
-
-            setIsAttachmentInvalid(true);
-            setAttachmentInvalidReasonTitle('attachmentPicker.wrongFileType');
-            setAttachmentInvalidReason(invalidReason);
-            return false;
-        }
-
         if (lodashGet(_file, 'size', 0) > CONST.API_ATTACHMENT_VALIDATIONS.MAX_SIZE) {
             setIsAttachmentInvalid(true);
             setAttachmentInvalidReasonTitle('attachmentPicker.attachmentTooLarge');