diff --git a/packages/core-components/src/components/InputTextFilter/InputTextFilter.test.tsx b/packages/core-components/src/components/InputTextFilter/InputTextFilter.test.tsx
deleted file mode 100644
index 35be191cde..0000000000
--- a/packages/core-components/src/components/InputTextFilter/InputTextFilter.test.tsx
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright 2020 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import React from 'react';
-import {
-  render,
-  act,
-  RenderResult,
-  waitFor,
-  fireEvent,
-  screen,
-} from '@testing-library/react';
-import { wrapInTestApp, renderInTestApp } from '@backstage/test-utils';
-import { InputTextFilter } from './InputTextFilter';
-
-const SUPPORT_BUTTON_ID = 'support-button';
-const POPOVER_ID = 'support-button-popover';
-
-describe('<InputTextFilter />', () => {
-  // it('renders without exploding', async () => {
-  //   let renderResult: RenderResult;
-  //   await act(async () => {
-  //     renderResult = render(wrapInTestApp(<InputTextFilter />));
-  //   });
-  //   await waitFor(() =>
-  //     expect(renderResult.getByTestId(SUPPORT_BUTTON_ID)).toBeInTheDocument(),
-  //   );
-  // });
-  // it('supports passing a title', async () => {
-  //   await renderInTestApp(<InputTextFilter title="Custom title" />);
-  //   fireEvent.click(screen.getByTestId(SUPPORT_BUTTON_ID));
-  //   expect(screen.getByText('Custom title')).toBeInTheDocument();
-  // });
-  // it('shows popover on click', async () => {
-  //   let renderResult: RenderResult;
-  //   await act(async () => {
-  //     renderResult = render(wrapInTestApp(<InputTextFilter />));
-  //   });
-  //   let button: HTMLElement;
-  //   await waitFor(() => {
-  //     expect(renderResult.getByTestId(SUPPORT_BUTTON_ID)).toBeInTheDocument();
-  //     button = renderResult.getByTestId(SUPPORT_BUTTON_ID);
-  //   });
-  //   await act(async () => {
-  //     fireEvent.click(button);
-  //   });
-  //   await waitFor(() => {
-  //     expect(renderResult.getByTestId(POPOVER_ID)).toBeInTheDocument();
-  //   });
-  // });
-});
diff --git a/packages/core-components/src/components/InputTextFilter/InputTextFilter.tsx b/packages/core-components/src/components/InputTextFilter/InputTextFilter.tsx
index 814efeccc6..e42670ad43 100644
--- a/packages/core-components/src/components/InputTextFilter/InputTextFilter.tsx
+++ b/packages/core-components/src/components/InputTextFilter/InputTextFilter.tsx
@@ -18,7 +18,7 @@ import React from 'react';
 import { makeStyles } from '@material-ui/core/styles';
 import TextField from '@material-ui/core/TextField';
 
-const useStyles = makeStyles(theme => ({
+const useStyles = makeStyles(() => ({
   root: {
     '& > *': {
       width: '50ch',
@@ -37,7 +37,7 @@ export const InputTextFilter = ({
 
   const [, setSearchCategory] = React.useState('');
 
-  const setSearchCategoryValue = event => {
+  const setSearchCategoryValue = (event: any) => {
     setSearchCategory(event.target.value);
   };
 
diff --git a/plugins/tech-radar/src/components/RadarComponent.tsx b/plugins/tech-radar/src/components/RadarComponent.tsx
index 88c865f999..941ff87758 100644
--- a/plugins/tech-radar/src/components/RadarComponent.tsx
+++ b/plugins/tech-radar/src/components/RadarComponent.tsx
@@ -45,10 +45,7 @@ const useTechRadarLoader = (id: string | undefined) => {
   return { loading, value, error };
 };
 
-const RadarComponent = (
-  props: TechRadarComponentProps,
-  searchText: string,
-): JSX.Element => {
+const RadarComponent = (props: TechRadarComponentProps): JSX.Element => {
   const { loading, error, value: data } = useTechRadarLoader(props.id);
 
   const mapToEntries = (
@@ -61,10 +58,10 @@ const RadarComponent = (
         element =>
           element.title
             .toLowerCase()
-            .includes(props.searchText.toLowerCase()) ||
+            .includes(props.searchText!.toLowerCase()) ||
           element.timeline[0].description
             ?.toLowerCase()
-            .includes(props.searchText.toLowerCase()),
+            .includes(props.searchText!.toLowerCase()),
       );
     }
     return filteredArray.map(entry => {
diff --git a/plugins/tech-radar/src/components/RadarPage.tsx b/plugins/tech-radar/src/components/RadarPage.tsx
index a332fd63c3..ae2df08e8f 100644
--- a/plugins/tech-radar/src/components/RadarPage.tsx
+++ b/plugins/tech-radar/src/components/RadarPage.tsx
@@ -22,7 +22,7 @@ import {
   Content,
   ContentHeader,
   Page,
-  Header,
+  // Header,
   SupportButton,
   InputTextFilter,
 } from '@backstage/core-components';
@@ -48,7 +48,7 @@ export const RadarPage = ({
   const classes = useStyles();
   const [searchText, setSearchText] = React.useState('');
 
-  const searchInput = event => {
+  const searchInput = (event: any) => {
     setSearchText(event.target.value);
   };
 
@@ -66,7 +66,7 @@ export const RadarPage = ({
         </ContentHeader>
         <Grid container spacing={3} direction="row">
           <Grid item xs={12} sm={6} md={4}>
-            <RadarComponent {...props} searchText={searchText} />
+            <RadarComponent searchText={searchText} {...props} />
           </Grid>
         </Grid>
       </Content>