diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 8875b41d373..9782a77e507 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -98,8 +98,9 @@ integration)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
-      -Dspanner.gce.config.project_id=gcloud-devel \
-      -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests \
+      -Dspanner.gce.config.server_url=https://staging-wrenchworks.sandbox.googleapis.com \
+      -Dspanner.gce.config.project_id=span-cloud-testing \
+      -Dspanner.testenv.instance=projects/span-cloud-testing/instances/java-client-integration-tests \
       -fae \
       verify
     RETURN_CODE=$?
@@ -113,6 +114,7 @@ integration-directpath-enabled)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
+      -Dspanner.gce.config.server_url=https://staging-wrenchworks.sandbox.googleapis.com \
       -Dspanner.testenv.instance=projects/span-cloud-testing/instances/spanner-java-client-directpath \
       -Dspanner.gce.config.project_id=span-cloud-testing \
       -fae \
@@ -128,8 +130,9 @@ integration-multiplexed-sessions-enabled)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
-      -Dspanner.gce.config.project_id=gcloud-devel \
-      -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests-multiplexed-sessions \
+      -Dspanner.gce.config.server_url=https://staging-wrenchworks.sandbox.googleapis.com \
+      -Dspanner.gce.config.project_id=span-cloud-testing \
+      -Dspanner.testenv.instance=projects/span-cloud-testing/instances/java-client-integration-tests-multiplexed-sessions \
       -fae \
       verify
     RETURN_CODE=$?
diff --git a/.kokoro/presubmit/integration-directpath-enabled.cfg b/.kokoro/presubmit/integration-directpath-enabled.cfg
index ceb3bddfa70..c7b3d45e771 100644
--- a/.kokoro/presubmit/integration-directpath-enabled.cfg
+++ b/.kokoro/presubmit/integration-directpath-enabled.cfg
@@ -11,17 +11,6 @@ env_vars: {
   value: "integration-directpath-enabled"
 }
 
-# TODO: remove this after we've migrated all tests and scripts
-env_vars: {
-  key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
-env_vars: {
-  key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
 env_vars: {
   key: "GOOGLE_APPLICATION_CREDENTIALS"
   value: "secret_manager/java-client-testing"
diff --git a/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg b/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg
index 800e2a21558..28b95345f71 100644
--- a/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg
+++ b/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg
@@ -11,25 +11,14 @@ env_vars: {
   value: "integration-multiplexed-sessions-enabled"
 }
 
-# TODO: remove this after we've migrated all tests and scripts
-env_vars: {
-  key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
-env_vars: {
-  key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
 env_vars: {
   key: "GOOGLE_APPLICATION_CREDENTIALS"
-  value: "secret_manager/java-it-service-account"
+  value: "secret_manager/java-client-testing"
 }
 
 env_vars: {
   key: "SECRET_MANAGER_KEYS"
-  value: "java-it-service-account"
+  value: "java-client-testing"
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/integration.cfg b/.kokoro/presubmit/integration.cfg
index 5864c603e5a..cc4e22eaf9a 100644
--- a/.kokoro/presubmit/integration.cfg
+++ b/.kokoro/presubmit/integration.cfg
@@ -11,24 +11,12 @@ env_vars: {
   value: "integration"
 }
 
-# TODO: remove this after we've migrated all tests and scripts
-env_vars: {
-  key: "GCLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
-env_vars: {
-  key: "GOOGLE_CLOUD_PROJECT"
-  value: "gcloud-devel"
-}
-
 env_vars: {
   key: "GOOGLE_APPLICATION_CREDENTIALS"
-  value: "secret_manager/java-it-service-account"
+  value: "secret_manager/java-client-testing"
 }
 
 env_vars: {
   key: "SECRET_MANAGER_KEYS"
-  value: "java-it-service-account"
+  value: "java-client-testing"
 }
-