diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index bac4f03ceb3..0656ab0e424 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -98,9 +98,8 @@ integration)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
-      -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 \
+      -Dspanner.gce.config.project_id=gcloud-devel \
+      -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests \
       -fae \
       verify
     RETURN_CODE=$?
@@ -114,7 +113,6 @@ integration-directpath-enabled)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
-      -Dspanner.gce.config.server_url=https://staging-wrenchworks.sandbox.googleapis.com \
       -Dspanner.testenv.instance=projects/span-cloud-testing/instances/spanner-java-client-directpath \
       -Dspanner.gce.config.project_id=span-cloud-testing \
       -fae \
@@ -130,9 +128,8 @@ integration-multiplexed-sessions-enabled)
       -Dclirr.skip=true \
       -Denforcer.skip=true \
       -Dmaven.main.skip=true \
-      -Dspanner.gce.config.server_url=https://staging-wrenchworks.sandbox.googleapis.com \
-      -Dspanner.gce.config.project_id=span-cloud-testing \
-      -Dspanner.testenv.instance=projects/span-cloud-testing/instances/java-client-integration-tests-multiplexed-sessions \
+      -Dspanner.gce.config.project_id=gcloud-devel \
+      -Dspanner.testenv.instance=projects/gcloud-devel/instances/java-client-integration-tests-multiplexed-sessions \
       -fae \
       verify
     RETURN_CODE=$?
diff --git a/.kokoro/presubmit/integration-directpath-enabled.cfg b/.kokoro/presubmit/integration-directpath-enabled.cfg
index c7b3d45e771..ceb3bddfa70 100644
--- a/.kokoro/presubmit/integration-directpath-enabled.cfg
+++ b/.kokoro/presubmit/integration-directpath-enabled.cfg
@@ -11,6 +11,17 @@ 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 28b95345f71..800e2a21558 100644
--- a/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg
+++ b/.kokoro/presubmit/integration-multiplexed-sessions-enabled.cfg
@@ -11,14 +11,25 @@ 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-client-testing"
+  value: "secret_manager/java-it-service-account"
 }
 
 env_vars: {
   key: "SECRET_MANAGER_KEYS"
-  value: "java-client-testing"
+  value: "java-it-service-account"
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/integration.cfg b/.kokoro/presubmit/integration.cfg
index cc4e22eaf9a..5864c603e5a 100644
--- a/.kokoro/presubmit/integration.cfg
+++ b/.kokoro/presubmit/integration.cfg
@@ -11,12 +11,24 @@ 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-client-testing"
+  value: "secret_manager/java-it-service-account"
 }
 
 env_vars: {
   key: "SECRET_MANAGER_KEYS"
-  value: "java-client-testing"
+  value: "java-it-service-account"
 }
+