diff --git a/.test-infra/jenkins/job_PostCommit_CrossLanguageValidatesRunner_Flink.groovy b/.test-infra/jenkins/job_PostCommit_CrossLanguageValidatesRunner_Flink.groovy
index 10d6e60ef097..828b51bf5c1e 100644
--- a/.test-infra/jenkins/job_PostCommit_CrossLanguageValidatesRunner_Flink.groovy
+++ b/.test-infra/jenkins/job_PostCommit_CrossLanguageValidatesRunner_Flink.groovy
@@ -44,7 +44,6 @@ PostcommitJobBuilder.postCommitJob('beam_PostCommit_XVR_Flink',
             tasks(":runners:flink:${CommonTestProperties.getFlinkVersion()}:job-server:validatesCrossLanguageRunner")
             commonJobProperties.setGradleSwitches(delegate)
             switches("-PpythonVersion=${pythonVersion}")
-            switches("-PflinkConfDir=$WORKSPACE/src/runners/flink/src/test/resources")
           }
         }
       }
diff --git a/sdks/go/test/integration/integration.go b/sdks/go/test/integration/integration.go
index 8e89dbf50aff..265556101a61 100644
--- a/sdks/go/test/integration/integration.go
+++ b/sdks/go/test/integration/integration.go
@@ -92,6 +92,8 @@ var portableFilters = []string{
 var flinkFilters = []string{
 	// TODO(BEAM-11500): Flink tests timing out on reads.
 	"TestXLang_Combine.*",
+	// TODO(BEAM-12815): Test fails on post commits: "Insufficient number of network buffers".
+	"TestXLang_Multi",
 	"TestDebeziumIO_BasicRead",
 	// Triggers are not yet supported
 	"TestTrigger.*",