diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41f069eb2..12c57e608 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Remove prometheus remote write agent configuration when mimir is enabled.
+- Remove unnecessary prometheus control-plane affinity.
 
 ## [4.75.0] - 2024-05-13
 
diff --git a/service/controller/resource/monitoring/prometheus/resource.go b/service/controller/resource/monitoring/prometheus/resource.go
index 8765b02f9..62a6de42b 100644
--- a/service/controller/resource/monitoring/prometheus/resource.go
+++ b/service/controller/resource/monitoring/prometheus/resource.go
@@ -164,22 +164,6 @@ func toPrometheus(ctx context.Context, v interface{}, config Config) (metav1.Obj
 					},
 					Key: key.PrometheusAdditionalScrapeConfigsName(),
 				},
-				Affinity: &corev1.Affinity{
-					NodeAffinity: &corev1.NodeAffinity{
-						RequiredDuringSchedulingIgnoredDuringExecution: &corev1.NodeSelector{
-							NodeSelectorTerms: []corev1.NodeSelectorTerm{
-								{
-									MatchExpressions: []corev1.NodeSelectorRequirement{
-										{
-											Key:      "node-role.kubernetes.io/control-plane",
-											Operator: corev1.NodeSelectorOpDoesNotExist,
-										},
-									},
-								},
-							},
-						},
-					},
-				},
 				EnableRemoteWriteReceiver: true,
 				ExternalLabels: map[string]string{
 					key.ClusterIDKey:    key.ClusterID(cluster),
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-1-capa-mc.golden b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-1-capa-mc.golden
index cc8e3df12..5969974a7 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-1-capa-mc.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-1-capa-mc.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-2-capa.golden b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-2-capa.golden
index 92413bcdc..9840a90ab 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-2-capa.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-2-capa.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-3-capz.golden b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-3-capz.golden
index c63ba9029..0e1703ed9 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-3-capz.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-3-capz.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-4-eks.golden b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-4-eks.golden
index 6144ec40c..cbabaef4f 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-4-eks.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-4-eks.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-5-gcp.golden b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-5-gcp.golden
index 2c73a7c0c..4501855ea 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/capi/case-5-gcp.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/capi/case-5-gcp.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-1-vintage-mc.golden b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-1-vintage-mc.golden
index fcaf8588c..659d4da83 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-1-vintage-mc.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-1-vintage-mc.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /var/run/secrets/kubernetes.io/serviceaccount/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-2-aws-v16.golden b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-2-aws-v16.golden
index 657827c96..48fa67da8 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-2-aws-v16.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-2-aws-v16.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-3-aws-v18.golden b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-3-aws-v18.golden
index 587b04a8f..d625f318f 100644
--- a/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-3-aws-v18.golden
+++ b/service/controller/resource/monitoring/prometheus/test/classic/vintage/case-3-aws-v18.golden
@@ -14,13 +14,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-1-capa-mc.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-1-capa-mc.golden
index d0c3f8269..94f6e6389 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-1-capa-mc.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-1-capa-mc.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-2-capa.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-2-capa.golden
index 3ce90f0d3..54a573b55 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-2-capa.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-2-capa.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-3-capz.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-3-capz.golden
index 0f298c706..0ef8f2748 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-3-capz.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-3-capz.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-4-eks.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-4-eks.golden
index c27083322..e47ff1750 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-4-eks.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-4-eks.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-5-gcp.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-5-gcp.golden
index 595dc624a..6162c5c64 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-5-gcp.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/capi/case-5-gcp.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-1-vintage-mc.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-1-vintage-mc.golden
index 26f0c202b..11e26ceee 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-1-vintage-mc.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-1-vintage-mc.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /var/run/secrets/kubernetes.io/serviceaccount/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-2-aws-v16.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-2-aws-v16.golden
index aa64f8f0b..eea244c23 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-2-aws-v16.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-2-aws-v16.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token
diff --git a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-3-aws-v18.golden b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-3-aws-v18.golden
index f069751c7..24d46e486 100644
--- a/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-3-aws-v18.golden
+++ b/service/controller/resource/monitoring/prometheus/test/mimir-enabled/vintage/case-3-aws-v18.golden
@@ -11,13 +11,6 @@ spec:
   additionalScrapeConfigs:
     key: prometheus-additional.yaml
     name: additional-scrape-configs
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/control-plane
-            operator: DoesNotExist
   apiserverConfig:
     authorization:
       credentialsFile: /etc/prometheus/secrets/cluster-certificates/token