diff --git a/web/src/click_handlers.ts b/web/src/click_handlers.ts
index d9ad291d3e..6ce5090de0 100644
--- a/web/src/click_handlers.ts
+++ b/web/src/click_handlers.ts
@@ -259,7 +259,6 @@ export function initialize(): void {
         const local_id = $(this).attr("data-reaction-id")!;
         const message_id = rows.get_message_id(this);
         reactions.process_reaction_click(message_id, local_id);
-        $(".tooltip").remove();
     });
 
     $("body").on("click", ".reveal_hidden_message", (e) => {
@@ -465,7 +464,6 @@ export function initialize(): void {
         e.preventDefault();
         e.stopPropagation();
         sidebar_ui.hide_userlist_sidebar();
-        $(".tooltip").remove();
     });
 
     // Doesn't show tooltip on touch devices.
diff --git a/web/src/message_view.ts b/web/src/message_view.ts
index 18f11afbde..0493879b36 100644
--- a/web/src/message_view.ts
+++ b/web/src/message_view.ts
@@ -613,10 +613,6 @@ export let show = (raw_terms: NarrowTerm[], show_opts: ShowMessageViewOpts): voi
             inbox_ui.hide();
         }
 
-        // Open tooltips are only interesting for current narrow,
-        // so hide them when activating a new one.
-        $(".tooltip").hide();
-
         blueslip.debug("Narrowed", {
             operators: terms.map((e) => e.operator),
             trigger: opts ? opts.trigger : undefined,
diff --git a/web/styles/left_sidebar.css b/web/styles/left_sidebar.css
index a5c8a72929..011391f207 100644
--- a/web/styles/left_sidebar.css
+++ b/web/styles/left_sidebar.css
@@ -50,10 +50,6 @@
     margin-right: 10px;
 }
 
-.tooltip {
-    max-width: 18em;
-}
-
 .masked_unread_count {
     /* 8px at 16px/14em */
     font-size: 0.5em;
diff --git a/web/styles/portico/stats.css b/web/styles/portico/stats.css
index 5e87f64573..899587625d 100644
--- a/web/styles/portico/stats.css
+++ b/web/styles/portico/stats.css
@@ -121,16 +121,6 @@ p {
     text-decoration: none;
 }
 
-.tooltip-inner {
-    padding: 10px;
-    max-width: 350px;
-
-    font-size: 0.75rem;
-    font-weight: 400;
-    text-align: left;
-    line-height: 1.4;
-}
-
 .last-update {
     margin: 0 0 30px;
 
diff --git a/web/styles/zulip.css b/web/styles/zulip.css
index 1e0c30387a..37cf2d2504 100644
--- a/web/styles/zulip.css
+++ b/web/styles/zulip.css
@@ -702,42 +702,6 @@ strong {
     white-space: nowrap;
 }
 
-.tooltip {
-    &.in {
-        font-size: 12px;
-        line-height: 1.3;
-
-        opacity: 1;
-
-        &.left {
-            margin-left: -12px;
-            margin-top: 3px;
-        }
-    }
-
-    .tooltip-inner {
-        background-color: hsl(0deg 0% 7% / 80%);
-        padding: 3px 5px;
-    }
-
-    /*
-    Since hover and click are activated together on touchscreen
-    devices, the hover state persists until the next click, creating
-    awkward UI where the tooltip sticks around forever :(.
-
-    To resolve this, we just hide the tooltip for touch-events on
-    touch-enabled devices resolving the above problem.  This means
-    that tooltips will never appear on touchscreen devices, but that's
-    probably a reasonable tradeoff here.
-
-    Source: https://drafts.csswg.org/mediaqueries-4/#mf-interaction
-    */
-
-    @media (hover: none) {
-        visibility: hidden !important;
-    }
-}
-
 .buddy_list_tooltip_content {
     text-align: left;
     word-wrap: break-word;
@@ -1995,12 +1959,6 @@ body:not(.hide-left-sidebar) {
     }
 }
 
-.tooltip_right_arrow {
-    position: relative;
-    top: -1px;
-    font-weight: 600;
-}
-
 .spectator_login_for_image_button {
     max-width: 250px;
     height: 50px;