diff --git a/packages/grafana-prometheus/src/gcopypaste/packages/grafana-ui/src/components/Select/SelectBase.tsx b/packages/grafana-prometheus/src/gcopypaste/packages/grafana-ui/src/components/Select/SelectBase.tsx
deleted file mode 100644
index 8ee9578e5c2..00000000000
--- a/packages/grafana-prometheus/src/gcopypaste/packages/grafana-ui/src/components/Select/SelectBase.tsx
+++ /dev/null
@@ -1,129 +0,0 @@
-// Core Grafana history https://github.com/grafana/grafana/blob/v11.0.0-preview/packages/grafana-ui/src/components/Select/SelectBase.tsx
-import { cx } from '@emotion/css';
-import { max } from 'lodash';
-import { RefCallback } from 'react';
-import * as React from 'react';
-import { MenuListProps } from 'react-select';
-import { FixedSizeList as List } from 'react-window';
-
-import { SelectableValue, toIconName } from '@grafana/data';
-import { selectors } from '@grafana/e2e-selectors';
-import { CustomScrollbar, Icon, getSelectStyles, useTheme2 } from '@grafana/ui';
-
-interface SelectMenuProps {
-  maxHeight: number;
-  innerRef: RefCallback<HTMLDivElement>;
-  innerProps: {};
-}
-
-export const SelectMenu = ({ children, maxHeight, innerRef, innerProps }: React.PropsWithChildren<SelectMenuProps>) => {
-  const theme = useTheme2();
-  const styles = getSelectStyles(theme);
-
-  return (
-    <div {...innerProps} className={styles.menu} style={{ maxHeight }} aria-label="Select options menu">
-      <CustomScrollbar scrollRefCallback={innerRef} autoHide={false} autoHeightMax="inherit" hideHorizontalTrack>
-        {children}
-      </CustomScrollbar>
-    </div>
-  );
-};
-
-SelectMenu.displayName = 'SelectMenu';
-
-const VIRTUAL_LIST_ITEM_HEIGHT = 37;
-const VIRTUAL_LIST_WIDTH_ESTIMATE_MULTIPLIER = 7;
-
-// A virtualized version of the SelectMenu, descriptions for SelectableValue options not supported since those are of a variable height.
-//
-// To support the virtualized list we have to "guess" the width of the menu container based on the longest available option.
-// the reason for this is because all of the options will be positioned absolute, this takes them out of the document and no space
-// is created for them, thus the container can't grow to accomodate.
-//
-// VIRTUAL_LIST_ITEM_HEIGHT and WIDTH_ESTIMATE_MULTIPLIER are both magic numbers.
-// Some characters (such as emojis and other unicode characters) may consist of multiple code points in which case the width would be inaccurate (but larger than needed).
-export const VirtualizedSelectMenu = ({ children, maxHeight, options, getValue }: MenuListProps<SelectableValue>) => {
-  const theme = useTheme2();
-  const styles = getSelectStyles(theme);
-  const [value] = getValue();
-
-  const valueIndex = value ? options.findIndex((option: SelectableValue<unknown>) => option.value === value.value) : 0;
-  const initialOffset = valueIndex * VIRTUAL_LIST_ITEM_HEIGHT;
-
-  if (!Array.isArray(children)) {
-    return null;
-  }
-
-  const longestOption = max(options.map((option) => option.label?.length)) ?? 0;
-  const widthEstimate = longestOption * VIRTUAL_LIST_WIDTH_ESTIMATE_MULTIPLIER;
-  const heightEstimate = Math.min(options.length * VIRTUAL_LIST_ITEM_HEIGHT, maxHeight);
-
-  return (
-    <List
-      className={styles.menu}
-      height={heightEstimate}
-      width={widthEstimate}
-      aria-label="Select options menu"
-      itemCount={children.length}
-      itemSize={VIRTUAL_LIST_ITEM_HEIGHT}
-      initialScrollOffset={initialOffset}
-    >
-      {({ index, style }) => <div style={{ ...style, overflow: 'hidden' }}>{children[index]}</div>}
-    </List>
-  );
-};
-
-VirtualizedSelectMenu.displayName = 'VirtualizedSelectMenu';
-
-interface SelectMenuOptionProps<T> {
-  isDisabled: boolean;
-  isFocused: boolean;
-  isSelected: boolean;
-  innerProps: JSX.IntrinsicElements['div'];
-  innerRef: RefCallback<HTMLDivElement>;
-  renderOptionLabel?: (value: SelectableValue<T>) => JSX.Element;
-  data: SelectableValue<T>;
-}
-
-export const SelectMenuOptions = ({
-  children,
-  data,
-  innerProps,
-  innerRef,
-  isFocused,
-  isSelected,
-  renderOptionLabel,
-}: React.PropsWithChildren<SelectMenuOptionProps<unknown>>) => {
-  const theme = useTheme2();
-  const styles = getSelectStyles(theme);
-  const icon = data.icon ? toIconName(data.icon) : undefined;
-  // We are removing onMouseMove and onMouseOver from innerProps because they cause the whole
-  // list to re-render everytime the user hovers over an option. This is a performance issue.
-  // See https://github.com/JedWatson/react-select/issues/3128#issuecomment-451936743
-  const { onMouseMove, onMouseOver, ...rest } = innerProps;
-
-  return (
-    <div
-      ref={innerRef}
-      className={cx(
-        styles.option,
-        isFocused && styles.optionFocused,
-        isSelected && styles.optionSelected,
-        data.isDisabled && styles.optionDisabled
-      )}
-      {...rest}
-      data-testid={selectors.components.Select.option}
-      title={data.title}
-    >
-      {icon && <Icon name={icon} className={styles.optionIcon} />}
-      {data.imgUrl && <img className={styles.optionImage} src={data.imgUrl} alt={data.label || String(data.value)} />}
-      <div className={styles.optionBody}>
-        <span>{renderOptionLabel ? renderOptionLabel(data) : children}</span>
-        {data.description && <div className={styles.optionDescription}>{data.description}</div>}
-        {data.component && <data.component />}
-      </div>
-    </div>
-  );
-};
-
-SelectMenuOptions.displayName = 'SelectMenuOptions';
diff --git a/packages/grafana-prometheus/src/querybuilder/components/MetricSelect.tsx b/packages/grafana-prometheus/src/querybuilder/components/MetricSelect.tsx
index 95301e8075f..bdfdd52f3f0 100644
--- a/packages/grafana-prometheus/src/querybuilder/components/MetricSelect.tsx
+++ b/packages/grafana-prometheus/src/querybuilder/components/MetricSelect.tsx
@@ -18,12 +18,12 @@ import {
   Icon,
   InlineField,
   InlineFieldRow,
+  SelectMenuOptions,
   useStyles2,
   useTheme2,
 } from '@grafana/ui';
 
 import { PrometheusDatasource } from '../../datasource';
-import { SelectMenuOptions } from '../../gcopypaste/packages/grafana-ui/src/components/Select/SelectBase';
 import { truncateResult } from '../../language_utils';
 import { regexifyLabelValuesQueryString } from '../parsingUtils';
 import { QueryBuilderLabelFilter } from '../shared/types';