diff --git a/.changeset/techdocs-poor-paws-rest.md b/.changeset/techdocs-poor-paws-rest.md
new file mode 100644
index 0000000000..71e00f18ba
--- /dev/null
+++ b/.changeset/techdocs-poor-paws-rest.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-techdocs': patch
+'@backstage/plugin-techdocs-backend': patch
+---
+
+Restore original casing for `kind`, `namespace` and `name` in `DefaultTechDocsCollator`.
diff --git a/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.test.ts b/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.test.ts
index 29c74a119c..21be228636 100644
--- a/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.test.ts
+++ b/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.test.ts
@@ -138,6 +138,8 @@ describe('DefaultTechDocsCollator with legacyPathCasing configuration', () => {
         componentType: entity!.spec!.type,
         lifecycle: entity!.spec!.lifecycle,
         owner: '',
+        kind: entity.kind,
+        name: entity.metadata.name,
       });
     });
   });
@@ -183,6 +185,8 @@ describe('DefaultTechDocsCollator', () => {
         componentType: entity!.spec!.type,
         lifecycle: entity!.spec!.lifecycle,
         owner: '',
+        kind: entity.kind,
+        name: entity.metadata.name,
       });
     });
   });
diff --git a/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.ts b/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.ts
index c0a96b7862..121ef6e46d 100644
--- a/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.ts
+++ b/plugins/techdocs-backend/src/search/DefaultTechDocsCollator.ts
@@ -130,7 +130,9 @@ export class DefaultTechDocsCollator implements DocumentCollator {
                 path: doc.location,
               }),
               path: doc.location,
-              ...entityInfo,
+              kind: entity.kind,
+              namespace: entity.metadata.namespace || 'default',
+              name: entity.metadata.name,
               entityTitle: entity.metadata.title,
               componentType: entity.spec?.type?.toString() || 'other',
               lifecycle: (entity.spec?.lifecycle as string) || '',
diff --git a/plugins/techdocs/src/reader/components/TechDocsSearch.test.tsx b/plugins/techdocs/src/reader/components/TechDocsSearch.test.tsx
index c6f017e92d..602a94e758 100644
--- a/plugins/techdocs/src/reader/components/TechDocsSearch.test.tsx
+++ b/plugins/techdocs/src/reader/components/TechDocsSearch.test.tsx
@@ -13,8 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import React from 'react';
-import { buildInitialFilters, TechDocsSearch } from './TechDocsSearch';
+import { ApiProvider, ApiRegistry } from '@backstage/core-app-api';
+import { searchApiRef } from '@backstage/plugin-search';
+import { wrapInTestApp } from '@backstage/test-utils';
 import {
   act,
   fireEvent,
@@ -22,9 +23,8 @@ import {
   waitFor,
   within,
 } from '@testing-library/react';
-import { wrapInTestApp } from '@backstage/test-utils';
-import { ApiProvider, ApiRegistry } from '@backstage/core-app-api';
-import { searchApiRef } from '@backstage/plugin-search';
+import React from 'react';
+import { TechDocsSearch } from './TechDocsSearch';
 
 const entityId = {
   name: 'test',
@@ -89,7 +89,7 @@ describe('<TechDocsPage />', () => {
       await singleResult;
       expect(querySpy).toBeCalledWith({
         filters: {
-          kind: 'testable',
+          kind: 'Testable',
           name: 'test',
           namespace: 'testspace',
         },
@@ -108,7 +108,7 @@ describe('<TechDocsPage />', () => {
       await waitFor(() =>
         expect(querySpy).toBeCalledWith({
           filters: {
-            kind: 'testable',
+            kind: 'Testable',
             name: 'test',
             namespace: 'testspace',
           },
@@ -120,23 +120,3 @@ describe('<TechDocsPage />', () => {
     });
   });
 });
-
-describe('buildInitialFilters', () => {
-  const filterEnt = {
-    name: 'Test',
-    kind: 'TestKind',
-    namespace: 'TeStNaMeSpAcE',
-  };
-  it('should use filters as is when legacy path', () => {
-    const filters = buildInitialFilters(true, filterEnt);
-    expect(filters).toStrictEqual(filterEnt);
-  });
-  it('should lowercase all filters for new approach', () => {
-    const filters = buildInitialFilters(false, filterEnt);
-    expect(filters).toStrictEqual({
-      name: 'test',
-      kind: 'testkind',
-      namespace: 'testnamespace',
-    });
-  });
-});
diff --git a/plugins/techdocs/src/reader/components/TechDocsSearch.tsx b/plugins/techdocs/src/reader/components/TechDocsSearch.tsx
index 64229e6620..5bc1947ed6 100644
--- a/plugins/techdocs/src/reader/components/TechDocsSearch.tsx
+++ b/plugins/techdocs/src/reader/components/TechDocsSearch.tsx
@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 
-import React, { ChangeEvent, useEffect, useState } from 'react';
+import { EntityName } from '@backstage/catalog-model';
+import { SearchContextProvider, useSearch } from '@backstage/plugin-search';
 import {
   CircularProgress,
   Grid,
@@ -22,21 +23,15 @@ import {
   InputAdornment,
   TextField,
 } from '@material-ui/core';
-import Autocomplete from '@material-ui/lab/Autocomplete';
-import { SearchContextProvider, useSearch } from '@backstage/plugin-search';
-import { DocsResultListItem } from '../../components/DocsResultListItem';
 import SearchIcon from '@material-ui/icons/Search';
-import { useDebounce } from 'react-use';
+import Autocomplete from '@material-ui/lab/Autocomplete';
+import React, { ChangeEvent, useEffect, useState } from 'react';
 import { useNavigate } from 'react-router';
-import { configApiRef, useApi } from '@backstage/core-plugin-api';
+import { useDebounce } from 'react-use';
+import { DocsResultListItem } from '../../components/DocsResultListItem';
 
-type EntityId = {
-  name: string;
-  namespace: string;
-  kind: string;
-};
 type TechDocsSearchProps = {
-  entityId: EntityId;
+  entityId: EntityName;
   debounceTime?: number;
 };
 
@@ -54,17 +49,6 @@ type TechDocsSearchResult = {
   document: TechDocsDoc;
 };
 
-export const buildInitialFilters = (
-  legacyPaths: boolean,
-  entityId: EntityId,
-) => {
-  return legacyPaths
-    ? entityId
-    : Object.entries(entityId).reduce((acc, [key, value]) => {
-        return { ...acc, [key]: value?.toLocaleLowerCase('en-US') };
-      }, {});
-};
-
 const TechDocsSearchBar = ({
   entityId,
   debounceTime = 150,
@@ -176,15 +160,11 @@ const TechDocsSearchBar = ({
 };
 
 export const TechDocsSearch = (props: TechDocsSearchProps) => {
-  const configApi = useApi(configApiRef);
-  const legacyPaths = configApi.getOptionalBoolean(
-    'techdocs.legacyUseCaseSensitiveTripletPaths',
-  );
   const initialState = {
     term: '',
     types: ['techdocs'],
     pageCursor: '',
-    filters: buildInitialFilters(legacyPaths || false, props.entityId),
+    filters: props.entityId,
   };
   return (
     <SearchContextProvider initialState={initialState}>