diff --git a/site/src/components/Resources/AgentOutdatedTooltip.tsx b/site/src/components/Resources/AgentOutdatedTooltip.tsx
index 472a80bf4c6b6..6bbe9061d1348 100644
--- a/site/src/components/Resources/AgentOutdatedTooltip.tsx
+++ b/site/src/components/Resources/AgentOutdatedTooltip.tsx
@@ -1,5 +1,5 @@
-import { ComponentProps, FC } from "react";
-import { makeStyles } from "@mui/styles";
+import { type ComponentProps, type FC } from "react";
+import { useTheme } from "@emotion/react";
 import RefreshIcon from "@mui/icons-material/RefreshOutlined";
 import {
   HelpTooltipText,
@@ -9,7 +9,7 @@ import {
   HelpTooltipLinksGroup,
   HelpTooltipContext,
 } from "components/HelpTooltip/HelpTooltip";
-import { WorkspaceAgent } from "api/typesGenerated";
+import type { WorkspaceAgent } from "api/typesGenerated";
 import { Stack } from "components/Stack/Stack";
 
 type AgentOutdatedTooltipProps = ComponentProps<typeof HelpPopover> & {
@@ -28,7 +28,11 @@ export const AgentOutdatedTooltip: FC<AgentOutdatedTooltipProps> = ({
   onClose,
   anchorEl,
 }) => {
-  const styles = useStyles();
+  const theme = useTheme();
+  const versionLabelStyles = {
+    fontWeight: 600,
+    color: theme.palette.text.primary,
+  };
 
   return (
     <HelpPopover
@@ -50,12 +54,12 @@ export const AgentOutdatedTooltip: FC<AgentOutdatedTooltipProps> = ({
           </div>
 
           <Stack spacing={0.5}>
-            <span className={styles.versionLabel}>Agent version</span>
+            <span css={versionLabelStyles}>Agent version</span>
             <span>{agent.version}</span>
           </Stack>
 
           <Stack spacing={0.5}>
-            <span className={styles.versionLabel}>Server version</span>
+            <span css={versionLabelStyles}>Server version</span>
             <span>{serverVersion}</span>
           </Stack>
 
@@ -73,10 +77,3 @@ export const AgentOutdatedTooltip: FC<AgentOutdatedTooltipProps> = ({
     </HelpPopover>
   );
 };
-
-const useStyles = makeStyles((theme) => ({
-  versionLabel: {
-    fontWeight: 600,
-    color: theme.palette.text.primary,
-  },
-}));
diff --git a/site/src/components/Resources/AppLink/AppLink.tsx b/site/src/components/Resources/AppLink/AppLink.tsx
index c6bab93e910c9..c8d177a4c8df8 100644
--- a/site/src/components/Resources/AppLink/AppLink.tsx
+++ b/site/src/components/Resources/AppLink/AppLink.tsx
@@ -1,18 +1,17 @@
 import CircularProgress from "@mui/material/CircularProgress";
 import Link from "@mui/material/Link";
-import { makeStyles } from "@mui/styles";
 import Tooltip from "@mui/material/Tooltip";
 import ErrorOutlineIcon from "@mui/icons-material/ErrorOutline";
+import { type FC, useState } from "react";
+import { useTheme } from "@emotion/react";
+import { getApiKey } from "api/api";
+import type * as TypesGen from "api/typesGenerated";
+import { useProxy } from "contexts/ProxyContext";
 import { PrimaryAgentButton } from "components/Resources/AgentButton";
-import { FC, useState } from "react";
-import { combineClasses } from "utils/combineClasses";
-import * as TypesGen from "api/typesGenerated";
+import { createAppLinkHref } from "utils/apps";
 import { generateRandomString } from "utils/random";
 import { BaseIcon } from "./BaseIcon";
 import { ShareIcon } from "./ShareIcon";
-import { useProxy } from "contexts/ProxyContext";
-import { createAppLinkHref } from "utils/apps";
-import { getApiKey } from "api/api";
 
 const Language = {
   appTitle: (appName: string, identifier: string): string =>
@@ -31,7 +30,7 @@ export const AppLink: FC<AppLinkProps> = ({ app, workspace, agent }) => {
   const appsHost = proxy.preferredWildcardHostname;
   const [fetchingSessionToken, setFetchingSessionToken] = useState(false);
 
-  const styles = useStyles();
+  const theme = useTheme();
   const username = workspace.owner_name;
 
   let appSlug = app.slug;
@@ -65,12 +64,18 @@ export const AppLink: FC<AppLinkProps> = ({ app, workspace, agent }) => {
   }
   if (app.health === "unhealthy") {
     canClick = false;
-    icon = <ErrorOutlineIcon className={styles.unhealthyIcon} />;
+    icon = <ErrorOutlineIcon css={{ color: theme.palette.warning.light }} />;
     primaryTooltip = "Unhealthy";
   }
   if (!appsHost && app.subdomain) {
     canClick = false;
-    icon = <ErrorOutlineIcon className={styles.notConfiguredIcon} />;
+    icon = (
+      <ErrorOutlineIcon
+        css={{
+          color: theme.palette.grey[300],
+        }}
+      />
+    );
     primaryTooltip =
       "Your admin has not configured subdomain application access";
   }
@@ -86,7 +91,13 @@ export const AppLink: FC<AppLinkProps> = ({ app, workspace, agent }) => {
       endIcon={isPrivateApp ? undefined : <ShareIcon app={app} />}
       disabled={!canClick}
     >
-      <span className={combineClasses({ [styles.appName]: !isPrivateApp })}>
+      <span
+        css={
+          !isPrivateApp && {
+            marginRight: theme.spacing(1),
+          }
+        }
+      >
         {appDisplayName}
       </span>
     </PrimaryAgentButton>
@@ -98,7 +109,10 @@ export const AppLink: FC<AppLinkProps> = ({ app, workspace, agent }) => {
         <Link
           href={href}
           target="_blank"
-          className={canClick ? styles.link : styles.disabledLink}
+          css={{
+            pointerEvents: canClick ? undefined : "none",
+            textDecoration: "none !important",
+          }}
           onClick={
             canClick
               ? async (event) => {
@@ -143,26 +157,3 @@ export const AppLink: FC<AppLinkProps> = ({ app, workspace, agent }) => {
     </Tooltip>
   );
 };
-
-const useStyles = makeStyles((theme) => ({
-  link: {
-    textDecoration: "none !important",
-  },
-
-  disabledLink: {
-    pointerEvents: "none",
-    textDecoration: "none !important",
-  },
-
-  unhealthyIcon: {
-    color: theme.palette.warning.light,
-  },
-
-  notConfiguredIcon: {
-    color: theme.palette.grey[300],
-  },
-
-  appName: {
-    marginRight: theme.spacing(1),
-  },
-}));
diff --git a/site/src/components/Resources/PortForwardButton.tsx b/site/src/components/Resources/PortForwardButton.tsx
index 57ca6719b6d9b..f22e0e2082a80 100644
--- a/site/src/components/Resources/PortForwardButton.tsx
+++ b/site/src/components/Resources/PortForwardButton.tsx
@@ -1,7 +1,12 @@
+import Box from "@mui/material/Box";
 import Link from "@mui/material/Link";
 import Popover from "@mui/material/Popover";
-import { makeStyles } from "@mui/styles";
+import CircularProgress from "@mui/material/CircularProgress";
+import OpenInNewOutlined from "@mui/icons-material/OpenInNewOutlined";
+import { css } from "@emotion/css";
+import { useTheme } from "@emotion/react";
 import { useRef, useState } from "react";
+import { useQuery } from "react-query";
 import { colors } from "theme/colors";
 import {
   HelpTooltipLink,
@@ -11,16 +16,12 @@ import {
 } from "components/HelpTooltip/HelpTooltip";
 import { SecondaryAgentButton } from "components/Resources/AgentButton";
 import { docs } from "utils/docs";
-import Box from "@mui/material/Box";
-import { useQuery } from "react-query";
 import { getAgentListeningPorts } from "api/api";
-import {
+import type {
   WorkspaceAgent,
   WorkspaceAgentListeningPort,
 } from "api/typesGenerated";
-import CircularProgress from "@mui/material/CircularProgress";
 import { portForwardURL } from "utils/portForward";
-import OpenInNewOutlined from "@mui/icons-material/OpenInNewOutlined";
 
 export interface PortForwardButtonProps {
   host: string;
@@ -30,10 +31,10 @@ export interface PortForwardButtonProps {
 }
 
 export const PortForwardButton: React.FC<PortForwardButtonProps> = (props) => {
+  const theme = useTheme();
   const anchorRef = useRef<HTMLButtonElement>(null);
   const [isOpen, setIsOpen] = useState(false);
   const id = isOpen ? "schedule-popover" : undefined;
-  const styles = useStyles();
   const portsQuery = useQuery({
     queryKey: ["portForward", props.agent.id],
     queryFn: () => getAgentListeningPorts(props.agent.id),
@@ -78,7 +79,14 @@ export const PortForwardButton: React.FC<PortForwardButtonProps> = (props) => {
         )}
       </SecondaryAgentButton>
       <Popover
-        classes={{ paper: styles.popoverPaper }}
+        classes={{
+          paper: css`
+            padding: 0;
+            width: ${theme.spacing(38)};
+            color: ${theme.palette.text.secondary};
+            margin-top: ${theme.spacing(0.5)};
+          `,
+        }}
         id={id}
         open={isOpen}
         anchorEl={anchorRef.current}
@@ -245,31 +253,3 @@ export const PortForwardPopoverView: React.FC<
     </>
   );
 };
-
-const useStyles = makeStyles((theme) => ({
-  popoverPaper: {
-    padding: 0,
-    width: theme.spacing(38),
-    color: theme.palette.text.secondary,
-    marginTop: theme.spacing(0.5),
-  },
-
-  openUrlButton: {
-    flexShrink: 0,
-  },
-
-  portField: {
-    // The default border don't contrast well with the popover
-    "& .MuiOutlinedInput-root .MuiOutlinedInput-notchedOutline": {
-      borderColor: colors.gray[10],
-    },
-  },
-
-  code: {
-    margin: theme.spacing(2, 0),
-  },
-
-  form: {
-    margin: theme.spacing(2, 0),
-  },
-}));
diff --git a/site/src/components/SettingsLayout/Section.tsx b/site/src/components/SettingsLayout/Section.tsx
index 2b88d28d3cfd1..7eb933383b17d 100644
--- a/site/src/components/SettingsLayout/Section.tsx
+++ b/site/src/components/SettingsLayout/Section.tsx
@@ -1,7 +1,8 @@
-import { makeStyles } from "@mui/styles";
+import { useTheme } from "@emotion/react";
 import Typography from "@mui/material/Typography";
-import { FC, ReactNode, PropsWithChildren } from "react";
+import { type FC, type ReactNode, type PropsWithChildren } from "react";
 import { SectionAction } from "./SectionAction";
+import { type Interpolation, type Theme } from "@emotion/react";
 
 type SectionLayout = "fixed" | "fluid";
 
@@ -31,12 +32,13 @@ export const Section: SectionFC = ({
   children,
   layout = "fixed",
 }) => {
-  const styles = useStyles({ layout });
+  const theme = useTheme();
+
   return (
     <section className={className} id={id} data-testid={id}>
-      <div className={styles.inner}>
+      <div css={{ maxWidth: layout === "fluid" ? "100%" : 500 }}>
         {(title || description) && (
-          <div className={styles.header}>
+          <div css={styles.header}>
             <div>
               {title && (
                 <Typography variant="h4" sx={{ fontSize: 24 }}>
@@ -44,18 +46,16 @@ export const Section: SectionFC = ({
                 </Typography>
               )}
               {description && typeof description === "string" && (
-                <Typography className={styles.description}>
-                  {description}
-                </Typography>
+                <Typography css={styles.description}>{description}</Typography>
               )}
               {description && typeof description !== "string" && (
-                <div className={styles.description}>{description}</div>
+                <div css={styles.description}>{description}</div>
               )}
             </div>
             {toolbar && <div>{toolbar}</div>}
           </div>
         )}
-        {alert && <div className={styles.alert}>{alert}</div>}
+        {alert && <div css={{ marginBottom: theme.spacing(1) }}>{alert}</div>}
         {children}
       </div>
     </section>
@@ -65,23 +65,17 @@ export const Section: SectionFC = ({
 // Sub-components
 Section.Action = SectionAction;
 
-const useStyles = makeStyles((theme) => ({
-  inner: ({ layout }: { layout: SectionLayout }) => ({
-    maxWidth: layout === "fluid" ? "100%" : 500,
-  }),
-  alert: {
-    marginBottom: theme.spacing(1),
-  },
-  header: {
+const styles = {
+  header: (theme) => ({
     marginBottom: theme.spacing(3),
     display: "flex",
     flexDirection: "row",
     justifyContent: "space-between",
-  },
-  description: {
+  }),
+  description: (theme) => ({
     color: theme.palette.text.secondary,
     fontSize: 16,
     marginTop: theme.spacing(0.5),
     lineHeight: "140%",
-  },
-}));
+  }),
+} satisfies Record<string, Interpolation<Theme>>;