diff --git a/packages/react/src/components/UIShell/SideNavDetails.js b/packages/react/src/components/UIShell/SideNavDetails.js
index 3273f408ed39..b300f82cbed1 100644
--- a/packages/react/src/components/UIShell/SideNavDetails.js
+++ b/packages/react/src/components/UIShell/SideNavDetails.js
@@ -11,19 +11,14 @@ import PropTypes from 'prop-types';
 import React from 'react';
 import { warning } from '../../internal/warning';
 
-let didWarnAboutDeprecation = false;
-
 const { prefix } = settings;
 
 const SideNavDetails = ({ children, className: customClassName, title }) => {
-  if (__DEV__) {
-    warning(
-      didWarnAboutDeprecation,
-      'The `SideNavDetails` component has been deprecated and will be removed ' +
-        'in the next major release of `carbon-components-react`'
-    );
-    didWarnAboutDeprecation = true;
-  }
+  warning(
+    true,
+    'The `SideNavDetails` component has been deprecated and will be removed ' +
+      'in the next major release of `carbon-components-react`'
+  );
 
   const className = cx(`${prefix}--side-nav__details`, customClassName);
   return (
diff --git a/packages/react/src/components/UIShell/SideNavFooter.js b/packages/react/src/components/UIShell/SideNavFooter.js
index 1d529474e83b..9aba48760c05 100644
--- a/packages/react/src/components/UIShell/SideNavFooter.js
+++ b/packages/react/src/components/UIShell/SideNavFooter.js
@@ -13,8 +13,6 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { warning } from '../../internal/warning';
 
-let didWarnAboutDeprecation = false;
-
 const { prefix } = settings;
 
 /**
@@ -28,14 +26,11 @@ const SideNavFooter = ({
   expanded,
   onToggle,
 }) => {
-  if (__DEV__) {
-    warning(
-      didWarnAboutDeprecation,
-      'The `SideNavFooter` component has been deprecated and will be removed ' +
-        'in the next major release of `carbon-components-react`'
-    );
-    didWarnAboutDeprecation = true;
-  }
+  warning(
+    true,
+    'The `SideNavFooter` component has been deprecated and will be removed ' +
+      'in the next major release of `carbon-components-react`'
+  );
 
   const className = cx(`${prefix}--side-nav__footer`, customClassName);
   return (
diff --git a/packages/react/src/components/UIShell/SideNavHeader.js b/packages/react/src/components/UIShell/SideNavHeader.js
index ed32cf06df1e..ed8ef10901d0 100644
--- a/packages/react/src/components/UIShell/SideNavHeader.js
+++ b/packages/react/src/components/UIShell/SideNavHeader.js
@@ -12,8 +12,6 @@ import React from 'react';
 import SideNavIcon from './SideNavIcon';
 import { warning } from '../../internal/warning';
 
-let didWarnAboutDeprecation = false;
-
 const { prefix } = settings;
 
 const SideNavHeader = ({
@@ -21,14 +19,11 @@ const SideNavHeader = ({
   children,
   renderIcon: IconElement,
 }) => {
-  if (__DEV__) {
-    warning(
-      didWarnAboutDeprecation,
-      'The `SideNavHeader` component has been deprecated and will be removed ' +
-        'in the next major release of `carbon-components-react`'
-    );
-    didWarnAboutDeprecation = true;
-  }
+  warning(
+    true,
+    'The `SideNavHeader` component has been deprecated and will be removed ' +
+      'in the next major release of `carbon-components-react`'
+  );
 
   const className = cx(`${prefix}--side-nav__header`, customClassName);
   return (
diff --git a/packages/react/src/components/UIShell/SideNavSwitcher.js b/packages/react/src/components/UIShell/SideNavSwitcher.js
index 5930ae3f3fea..174b534d3176 100644
--- a/packages/react/src/components/UIShell/SideNavSwitcher.js
+++ b/packages/react/src/components/UIShell/SideNavSwitcher.js
@@ -13,19 +13,14 @@ import React from 'react';
 
 import { warning } from '../../internal/warning';
 
-let didWarnAboutDeprecation = false;
-
 const { prefix } = settings;
 
 const SideNavSwitcher = React.forwardRef(function SideNavSwitcher(props, ref) {
-  if (__DEV__) {
-    warning(
-      didWarnAboutDeprecation,
-      'The `SideNavSwitcher` component has been deprecated and will be removed ' +
-        'in the next major release of `carbon-components-react`'
-    );
-    didWarnAboutDeprecation = true;
-  }
+  warning(
+    true,
+    'The `SideNavSwitcher` component has been deprecated and will be removed ' +
+      'in the next major release of `carbon-components-react`'
+  );
 
   const { className: customClassName, labelText, onChange, options } = props;
   const className = cx(`${prefix}--side-nav__switcher`, customClassName);