diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index df4260341..86b1cdf42 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -35,12 +35,12 @@ function install_new_shared_deps() {
 
   # Only reinstall shared-deps again to test for a newer proto version
   if [[ "${CURRENT_PROTO_VERSION}" != "${LATEST_PROTO_VERSION}" ]]; then
-#    # testing-infra-docker has Java 11 installed in java8 docker container. Use this as sdk-platform-java
-#    # needs Java 11+ to run with GraalVM. For GH actions, JAVA11_HOME does not exist and would skip this.
-#    if [ ! -z "${JAVA11_HOME}" ]; then
-#      export JAVA_HOME="${JAVA11_HOME}"
-#      export PATH=${JAVA_HOME}/bin:$PATH
-#    fi
+    # testing-infra-docker has Java 11 installed in java8 docker container. Use this as sdk-platform-java
+    # needs Java 11+ to run with GraalVM. For GH actions, JAVA11_HOME does not exist and would skip this.
+    if [ ! -z "${JAVA11_HOME}" ]; then
+      export JAVA_HOME="${JAVA11_HOME}"
+      export PATH=${JAVA_HOME}/bin:$PATH
+    fi
 
     pushd /tmp
     git clone https://github.com/googleapis/sdk-platform-java.git
@@ -86,33 +86,21 @@ function install_new_shared_deps() {
       fi
     done
 
-#    # Reset back to the original Java version if changed
-#    export JAVA_HOME="${current_java_home}"
-#    export PATH=${JAVA_HOME}/bin:$PATH
-
-    # attempt to install 3 times with exponential backoff (starting with 10 seconds)
-    retry_with_backoff 3 10 \
-      mvn install -B -V -ntp \
-        -DskipTests=true \
-        -Dclirr.skip=true \
-        -Denforcer.skip=true \
-        -Dmaven.javadoc.skip=true \
-        -Dgcloud.download.skip=true \
-        -T 1C
+    # Reset back to the original Java version if changed
+    export JAVA_HOME="${current_java_home}"
+    export PATH=${JAVA_HOME}/bin:$PATH
   fi
 }
 
-function install_shared_deps() {
-  # attempt to install 3 times with exponential backoff (starting with 10 seconds)
-  retry_with_backoff 3 10 \
-    mvn install -B -V -ntp \
-      -DskipTests=true \
-      -Dclirr.skip=true \
-      -Denforcer.skip=true \
-      -Dmaven.javadoc.skip=true \
-      -Dgcloud.download.skip=true \
-      -T 1C
-}
+# attempt to install 3 times with exponential backoff (starting with 10 seconds)
+retry_with_backoff 3 10 \
+  mvn install -B -V -ntp \
+    -DskipTests=true \
+    -Dclirr.skip=true \
+    -Denforcer.skip=true \
+    -Dmaven.javadoc.skip=true \
+    -Dgcloud.download.skip=true \
+    -T 1C
 
 ## Get the directory of the build script
 scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))
diff --git a/.kokoro/presubmit/clirr.cfg b/.kokoro/presubmit/clirr.cfg
index ec572442e..9f3ab2405 100644
--- a/.kokoro/presubmit/clirr.cfg
+++ b/.kokoro/presubmit/clirr.cfg
@@ -4,7 +4,7 @@
 
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-kokoro-resources/java8"
+  value: "gcr.io/cloud-devrel-kokoro-resources/java17"
 }
 
 env_vars: {