diff --git a/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.ts b/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.ts
index f55934f558f5..61c68b332117 100644
--- a/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.ts
+++ b/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.ts
@@ -259,7 +259,6 @@ export const runAndTransformResultsToJestFormat = async ({
     numPassingTests,
     numPendingTests,
     numTodoTests,
-    sourceMaps: {},
     testExecError,
     testFilePath: testPath,
     testResults: assertionResults,
diff --git a/packages/jest-core/src/ReporterDispatcher.ts b/packages/jest-core/src/ReporterDispatcher.ts
index de69ec7d1d40..e6f5aa71c06d 100644
--- a/packages/jest-core/src/ReporterDispatcher.ts
+++ b/packages/jest-core/src/ReporterDispatcher.ts
@@ -47,7 +47,6 @@ export default class ReporterDispatcher {
     }
 
     // Release memory if unused later.
-    testResult.sourceMaps = undefined;
     testResult.coverage = undefined;
     testResult.console = undefined;
   }
diff --git a/packages/jest-test-result/src/helpers.ts b/packages/jest-test-result/src/helpers.ts
index 33233f6cc32f..a749a8c33d53 100644
--- a/packages/jest-test-result/src/helpers.ts
+++ b/packages/jest-test-result/src/helpers.ts
@@ -72,7 +72,6 @@ export const buildFailureTestResult = (
     unmatched: 0,
     updated: 0,
   },
-  sourceMaps: {},
   testExecError: err,
   testFilePath: testPath,
   testResults: [],
diff --git a/packages/jest-test-result/src/types.ts b/packages/jest-test-result/src/types.ts
index d31721d6b231..b75b3846a4c4 100644
--- a/packages/jest-test-result/src/types.ts
+++ b/packages/jest-test-result/src/types.ts
@@ -113,10 +113,6 @@ export type TestResult = {
     unmatched: number;
     updated: number;
   };
-  // TODO - Remove in Jest 26
-  sourceMaps?: {
-    [sourcePath: string]: string;
-  };
   testExecError?: SerializableError;
   testFilePath: Config.Path;
   testResults: Array<AssertionResult>;