diff --git a/res/css/views/rooms/_RoomSublist2.scss b/res/css/views/rooms/_RoomSublist2.scss
index 3fb4d2aecb..837bdad211 100644
--- a/res/css/views/rooms/_RoomSublist2.scss
+++ b/res/css/views/rooms/_RoomSublist2.scss
@@ -81,14 +81,6 @@ limitations under the License.
             // We don't have a top style because the top is dependent on the room list header's
             // height, and is therefore calculated in JS.
             // The class, mx_RoomSublist2_headerContainer_stickyTop, is applied though.
-
-            // blur for element theme, background image is on parent
-            .mx_RoomSublist2_stickyHeaderBlur {
-                width: 100%;
-                height: 100%;
-                display: flex;
-                align-items: center;
-            }
         }
 
         // Sticky Headers End
diff --git a/res/themes/element/css/_mods.scss b/res/themes/element/css/_mods.scss
index e8d126d22f..cc5205ccba 100644
--- a/res/themes/element/css/_mods.scss
+++ b/res/themes/element/css/_mods.scss
@@ -19,19 +19,6 @@
     .mx_LeftPanel2 .mx_LeftPanel2_roomListContainer {
         backdrop-filter: blur(175px);
     }
-
-    // sticky headers need their own blur, and their own background to make it opaque
-    .mx_RoomSublist2_headerContainer_sticky {
-        background-size: cover;
-        background-image: var(--avatar-url);
-        background-position: center;
-    }
-}
-
-/* outside of @supports as the backdrop-filter will be ignored, and we still apply the mostly-opaque background color */
-.mx_RoomSublist2_headerContainer_sticky .mx_RoomSublist2_stickyHeaderBlur {
-    backdrop-filter: blur(100px);
-    background-color: $roomlist2-bg-color;
 }
 
 .mx_RoomSublist2_showNButton {
diff --git a/src/components/views/rooms/RoomSublist2.tsx b/src/components/views/rooms/RoomSublist2.tsx
index 3b8d462282..2ca9ec5dd1 100644
--- a/src/components/views/rooms/RoomSublist2.tsx
+++ b/src/components/views/rooms/RoomSublist2.tsx
@@ -437,24 +437,22 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
                     return (
                         <div className={classes} onKeyDown={this.onHeaderKeyDown} onFocus={onFocus}>
                             <div className="mx_RoomSublist2_stickable">
-                                <div className="mx_RoomSublist2_stickyHeaderBlur">
-                                    <AccessibleButton
-                                        onFocus={onFocus}
-                                        inputRef={ref}
-                                        tabIndex={tabIndex}
-                                        className="mx_RoomSublist2_headerText"
-                                        role="treeitem"
-                                        aria-level={1}
-                                        onClick={this.onHeaderClick}
-                                        onContextMenu={this.onContextMenu}
-                                    >
-                                        <span className={collapseClasses} />
-                                        <span>{this.props.label}</span>
-                                    </AccessibleButton>
-                                    {this.renderMenu()}
-                                    {this.props.isMinimized ? null : badgeContainer}
-                                    {this.props.isMinimized ? null : addRoomButton}
-                                </div>
+                                <AccessibleButton
+                                    onFocus={onFocus}
+                                    inputRef={ref}
+                                    tabIndex={tabIndex}
+                                    className="mx_RoomSublist2_headerText"
+                                    role="treeitem"
+                                    aria-level={1}
+                                    onClick={this.onHeaderClick}
+                                    onContextMenu={this.onContextMenu}
+                                >
+                                    <span className={collapseClasses} />
+                                    <span>{this.props.label}</span>
+                                </AccessibleButton>
+                                {this.renderMenu()}
+                                {this.props.isMinimized ? null : badgeContainer}
+                                {this.props.isMinimized ? null : addRoomButton}
                             </div>
                             {this.props.isMinimized ? badgeContainer : null}
                             {this.props.isMinimized ? addRoomButton : null}