diff --git a/core-services/prow/02_config/openshift-priv/k8s-prometheus-adapter/_prowconfig.yaml b/core-services/prow/02_config/openshift-priv/k8s-prometheus-adapter/_prowconfig.yaml
index d66832d4c041b..4a5b280bc9e8d 100644
--- a/core-services/prow/02_config/openshift-priv/k8s-prometheus-adapter/_prowconfig.yaml
+++ b/core-services/prow/02_config/openshift-priv/k8s-prometheus-adapter/_prowconfig.yaml
@@ -41,15 +41,7 @@ tide:
     - openshift-4.12
     - openshift-4.13
     - openshift-4.14
-    - openshift-4.15
-    - openshift-4.16
-    - openshift-4.17
-    - openshift-4.18
-    - openshift-4.19
     - openshift-4.2
-    - openshift-4.20
-    - openshift-4.21
-    - openshift-4.22
     - openshift-4.23
     - openshift-4.3
     - openshift-4.4
@@ -68,15 +60,7 @@ tide:
     - release-4.12
     - release-4.13
     - release-4.14
-    - release-4.15
-    - release-4.16
-    - release-4.17
-    - release-4.18
-    - release-4.19
     - release-4.2
-    - release-4.20
-    - release-4.21
-    - release-4.22
     - release-4.23
     - release-4.3
     - release-4.4
@@ -106,15 +90,7 @@ tide:
     - openshift-4.12
     - openshift-4.13
     - openshift-4.14
-    - openshift-4.15
-    - openshift-4.16
-    - openshift-4.17
-    - openshift-4.18
-    - openshift-4.19
     - openshift-4.2
-    - openshift-4.20
-    - openshift-4.21
-    - openshift-4.22
     - openshift-4.3
     - openshift-4.4
     - openshift-4.5
@@ -128,15 +104,7 @@ tide:
     - release-4.12
     - release-4.13
     - release-4.14
-    - release-4.15
-    - release-4.16
-    - release-4.17
-    - release-4.18
-    - release-4.19
     - release-4.2
-    - release-4.20
-    - release-4.21
-    - release-4.22
     - release-4.3
     - release-4.4
     - release-4.5
diff --git a/core-services/prow/02_config/openshift/k8s-prometheus-adapter/_prowconfig.yaml b/core-services/prow/02_config/openshift/k8s-prometheus-adapter/_prowconfig.yaml
index be285178b3602..31c7d07c84a07 100644
--- a/core-services/prow/02_config/openshift/k8s-prometheus-adapter/_prowconfig.yaml
+++ b/core-services/prow/02_config/openshift/k8s-prometheus-adapter/_prowconfig.yaml
@@ -8,15 +8,7 @@ tide:
     - openshift-4.12
     - openshift-4.13
     - openshift-4.14
-    - openshift-4.15
-    - openshift-4.16
-    - openshift-4.17
-    - openshift-4.18
-    - openshift-4.19
     - openshift-4.2
-    - openshift-4.20
-    - openshift-4.21
-    - openshift-4.22
     - openshift-4.3
     - openshift-4.4
     - openshift-4.5
@@ -30,14 +22,6 @@ tide:
     - release-4.12
     - release-4.13
     - release-4.14
-    - release-4.15
-    - release-4.16
-    - release-4.17
-    - release-4.18
-    - release-4.19
-    - release-4.20
-    - release-4.21
-    - release-4.22
     - release-4.3
     - release-4.4
     - release-4.5
@@ -106,15 +90,7 @@ tide:
     - openshift-4.12
     - openshift-4.13
     - openshift-4.14
-    - openshift-4.15
-    - openshift-4.16
-    - openshift-4.17
-    - openshift-4.18
-    - openshift-4.19
     - openshift-4.2
-    - openshift-4.20
-    - openshift-4.21
-    - openshift-4.22
     - openshift-4.23
     - openshift-4.3
     - openshift-4.4
@@ -133,15 +109,7 @@ tide:
     - release-4.12
     - release-4.13
     - release-4.14
-    - release-4.15
-    - release-4.16
-    - release-4.17
-    - release-4.18
-    - release-4.19
     - release-4.2
-    - release-4.20
-    - release-4.21
-    - release-4.22
     - release-4.23
     - release-4.3
     - release-4.4