diff --git a/build.gradle b/build.gradle
index 403a68a3587..6453db4c0fb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -186,8 +186,7 @@ task verifyVersions {
  * after the backport of the backcompat code is complete.
  */
 allprojects {
-  // Prepare for backport of #26434
-  ext.bwc_tests_enabled = false
+  ext.bwc_tests_enabled = true
 }
 
 task verifyBwcTestsEnabled {