diff --git a/tests/kokoro/gcp_ubuntu/continuous.sh b/tests/kokoro/gcp_ubuntu/continuous.sh
index 56ac8df..ca67ba6 100644
--- a/tests/kokoro/gcp_ubuntu/continuous.sh
+++ b/tests/kokoro/gcp_ubuntu/continuous.sh
@@ -34,7 +34,4 @@
 
 build/ReactorUnitTests
 build/gles-unittests
-
-if [ "${REACTOR_BACKEND}" != "Subzero" ]; then
-  build/vk-unittests # Currently vulkan does not work with Subzero.
-fi
\ No newline at end of file
+build/vk-unittests
\ No newline at end of file
diff --git a/tests/kokoro/gcp_windows/continuous.bat b/tests/kokoro/gcp_windows/continuous.bat
index 450e5fa..401cec1 100644
--- a/tests/kokoro/gcp_windows/continuous.bat
+++ b/tests/kokoro/gcp_windows/continuous.bat
@@ -34,8 +34,5 @@
 build\Debug\gles-unittests.exe
 if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
 
-IF NOT "%REACTOR_BACKEND%"=="Subzero" (
-    REM Currently vulkan does not work with Subzero.
-    build\Debug\vk-unittests.exe
-    if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
-)
\ No newline at end of file
+build\Debug\vk-unittests.exe
+if !ERRORLEVEL! neq 0 exit /b !ERRORLEVEL!
\ No newline at end of file
diff --git a/tests/kokoro/macos/continuous.sh b/tests/kokoro/macos/continuous.sh
index 766942a..1b0011d 100755
--- a/tests/kokoro/macos/continuous.sh
+++ b/tests/kokoro/macos/continuous.sh
@@ -24,7 +24,4 @@
 
 build/ReactorUnitTests
 build/gles-unittests
-
-if [ "${REACTOR_BACKEND}" != "Subzero" ]; then
-  build/vk-unittests # Currently vulkan does not work with Subzero.
-fi
+build/vk-unittests
\ No newline at end of file