diff --git a/.kokoro/presubmit/common.cfg b/.kokoro/presubmit/common.cfg
index c5b2eb7bfb..24deaae512 100644
--- a/.kokoro/presubmit/common.cfg
+++ b/.kokoro/presubmit/common.cfg
@@ -30,12 +30,4 @@ env_vars: {
 env_vars: {
   key: "SECRET_MANAGER_KEYS"
   value: "cloud-java-ci-it-service-account"
-}
-
-# Defines the google-cloud-java modules to be tested downstream tested with GraalVM native image
-# builds.
-env_vars: {
-  key: "MODULES_UNDER_TEST"
-  value: "java-kms,java-os-login" # KMS's ITKmsTest exercises gax-java's native image
-  # reflect-config.json. OS Login has a similar issue.
-}
+}
\ No newline at end of file
diff --git a/.kokoro/presubmit/graalvm-native-17-downstream.cfg b/.kokoro/presubmit/graalvm-native-17-downstream.cfg
deleted file mode 100644
index ac46d4b89f..0000000000
--- a/.kokoro/presubmit/graalvm-native-17-downstream.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-  key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-kokoro-resources/graalvm17:22.3.3"
-}
diff --git a/.kokoro/presubmit/graalvm-native-downstream.cfg b/.kokoro/presubmit/graalvm-native-downstream.cfg
deleted file mode 100644
index 4535885f5e..0000000000
--- a/.kokoro/presubmit/graalvm-native-downstream.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-  key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-kokoro-resources/graalvm:22.3.3"
-}