diff --git a/prow/cluster/jobs/istio/istio/istio.istio.master.gen.yaml b/prow/cluster/jobs/istio/istio/istio.istio.master.gen.yaml
index b626428a7b4..0616dd3caf5 100644
--- a/prow/cluster/jobs/istio/istio/istio.istio.master.gen.yaml
+++ b/prow/cluster/jobs/istio/istio/istio.istio.master.gen.yaml
@@ -263,7 +263,8 @@ postsubmits:
     name: integ-telemetry-istiodless-mc-k8s-tests_istio_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -578,7 +579,8 @@ postsubmits:
     name: integ-pilot-istiodless-multicluster-tests_istio_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -767,7 +769,8 @@ postsubmits:
     name: integ-security-istiodless-multicluster-tests_istio_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1824,7 +1827,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -2196,7 +2200,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -2324,7 +2329,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
diff --git a/prow/cluster/jobs/istio/istio/istio.istio.release-1.11.gen.yaml b/prow/cluster/jobs/istio/istio/istio.istio.release-1.11.gen.yaml
index f8c14c74629..2540123cd20 100644
--- a/prow/cluster/jobs/istio/istio/istio.istio.release-1.11.gen.yaml
+++ b/prow/cluster/jobs/istio/istio/istio.istio.release-1.11.gen.yaml
@@ -263,7 +263,8 @@ postsubmits:
     name: integ-telemetry-istiodless-mc-k8s-tests_istio_release-1.11_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -578,7 +579,8 @@ postsubmits:
     name: integ-pilot-istiodless-multicluster-tests_istio_release-1.11_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -767,7 +769,8 @@ postsubmits:
     name: integ-security-istiodless-multicluster-tests_istio_release-1.11_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1824,7 +1827,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -2196,7 +2200,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -2324,7 +2329,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
diff --git a/prow/cluster/jobs/istio/istio/istio.istio.release-1.7.gen.yaml b/prow/cluster/jobs/istio/istio/istio.istio.release-1.7.gen.yaml
index a1032cdaa10..ef9c612ec04 100644
--- a/prow/cluster/jobs/istio/istio/istio.istio.release-1.7.gen.yaml
+++ b/prow/cluster/jobs/istio/istio/istio.istio.release-1.7.gen.yaml
@@ -422,7 +422,8 @@ postsubmits:
     name: integ-pilot-multicluster-tests_istio_release-1.7_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -781,7 +782,8 @@ postsubmits:
     name: install-cni-test_istio_release-1.7_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1453,7 +1455,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1515,7 +1518,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
diff --git a/prow/cluster/jobs/istio/istio/istio.istio.release-1.8.gen.yaml b/prow/cluster/jobs/istio/istio/istio.istio.release-1.8.gen.yaml
index 23803f32242..956d70d759d 100644
--- a/prow/cluster/jobs/istio/istio/istio.istio.release-1.8.gen.yaml
+++ b/prow/cluster/jobs/istio/istio/istio.istio.release-1.8.gen.yaml
@@ -450,7 +450,8 @@ postsubmits:
     name: integ-external-istiod-mc-tests_istio_release-1.8_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1014,7 +1015,8 @@ postsubmits:
     name: integ-k8s-120_istio_release-1.8_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1079,7 +1081,8 @@ postsubmits:
     name: install-cni-test_istio_release-1.8_postsubmit
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1795,7 +1798,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
@@ -1980,7 +1984,8 @@ presubmits:
     optional: true
     path_alias: istio.io/istio
     reporter_config:
-      slack: {}
+      slack:
+        job_states_to_report: []
     skip_report: true
     spec:
       containers:
diff --git a/prow/config/generate.go b/prow/config/generate.go
index bfe14b748f2..f4fe572ccee 100644
--- a/prow/config/generate.go
+++ b/prow/config/generate.go
@@ -543,6 +543,9 @@ func (cli *Client) WriteConfig(jobs config.JobConfig, fname string) {
 	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
 		exit(err, "failed to create directory: "+dir)
 	}
+	// Horrible hack to workaround https://github.com/kubernetes/test-infra/issues/22888
+	bs = bytes.ReplaceAll(bs, []byte(`      slack: {}`), []byte(`      slack:
+        job_states_to_report: []`))
 	output := []byte(cli.GlobalConfig.AutogenHeader)
 	output = append(output, bs...)
 	err = ioutil.WriteFile(fname, output, 0644)