diff --git a/pkg/apis/stackit/validation/infrastructure.go b/pkg/apis/stackit/validation/infrastructure.go
index eb37d372..a09175aa 100644
--- a/pkg/apis/stackit/validation/infrastructure.go
+++ b/pkg/apis/stackit/validation/infrastructure.go
@@ -5,8 +5,6 @@
 package validation
 
 import (
-	"slices"
-
 	cidrvalidation "github.com/gardener/gardener/pkg/utils/validation/cidr"
 	"github.com/google/uuid"
 	apivalidation "k8s.io/apimachinery/pkg/api/validation"
@@ -19,10 +17,6 @@ import (
 func ValidateInfrastructureConfig(infra *stackitv1alpha1.InfrastructureConfig, nodesCIDR *string, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 
-	if len(infra.FloatingPoolName) == 0 {
-		allErrs = append(allErrs, field.Required(fldPath.Child("floatingPoolName"), "must provide the name of a floating pool"))
-	}
-
 	networksPath := fldPath.Child("networks")
 
 	// check InfrastructureConfig.networks.worker(s) is a valid cidr and not be set if a network id is provided.
@@ -104,24 +98,8 @@ func ValidateInfrastructureConfigUpdate(oldConfig, newConfig *stackitv1alpha1.In
 }
 
 // ValidateInfrastructureConfigAgainstCloudProfile validates the given InfrastructureConfig against constraints in the given CloudProfile.
-func ValidateInfrastructureConfigAgainstCloudProfile(oldInfra, infra *stackitv1alpha1.InfrastructureConfig, cloudProfileConfig *stackitv1alpha1.CloudProfileConfig, fldPath *field.Path) field.ErrorList {
+func ValidateInfrastructureConfigAgainstCloudProfile(_, _ *stackitv1alpha1.InfrastructureConfig, _ *stackitv1alpha1.CloudProfileConfig, _ *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 
-	if oldInfra == nil || oldInfra.FloatingPoolName != infra.FloatingPoolName {
-		//nolint:staticcheck // SA1019: needed for migration purposes
-		allErrs = append(allErrs, validateFloatingPoolNameConstraints(cloudProfileConfig.Constraints.FloatingPools, infra.FloatingPoolName, fldPath.Child("floatingPoolName")))
-	}
-
 	return allErrs
 }
-
-func validateFloatingPoolNameConstraints(fps []stackitv1alpha1.FloatingPool, name string, fldPath *field.Path) *field.Error {
-	availablePoolNames := make([]string, 0, len(fps))
-	for _, fp := range fps {
-		availablePoolNames = append(availablePoolNames, fp.Name)
-	}
-	if !slices.Contains(availablePoolNames, name) {
-		return field.NotSupported(fldPath, name, availablePoolNames)
-	}
-	return nil
-}
diff --git a/pkg/apis/stackit/validation/infrastructure_test.go b/pkg/apis/stackit/validation/infrastructure_test.go
index 48be106f..40b7975a 100644
--- a/pkg/apis/stackit/validation/infrastructure_test.go
+++ b/pkg/apis/stackit/validation/infrastructure_test.go
@@ -38,15 +38,12 @@ var _ = Describe("InfrastructureConfig validation", func() {
 	})
 
 	Describe("#ValidateInfrastructureConfig", func() {
-		It("should forbid invalid floating pool name configuration", func() {
+		It("should allow empty floating pool name configuration", func() {
 			infrastructureConfig.FloatingPoolName = ""
 
 			errorList := ValidateInfrastructureConfig(infrastructureConfig, &nodes, nilPath)
 
-			Expect(errorList).To(ConsistOfFields(Fields{
-				"Type":  Equal(field.ErrorTypeRequired),
-				"Field": Equal("floatingPoolName"),
-			}))
+			Expect(errorList).To(BeEmpty())
 		})
 
 		It("should forbid invalid router id configuration", func() {
@@ -240,41 +237,4 @@ var _ = Describe("InfrastructureConfig validation", func() {
 			}))))
 		})
 	})
-
-	Describe("#ValidateInfrastructureConfigAgainstCloudProfile", func() {
-		var cloudProfileConfig *stackitv1alpha1.CloudProfileConfig
-
-		BeforeEach(func() {
-			cloudProfileConfig = &stackitv1alpha1.CloudProfileConfig{
-				Constraints: stackitv1alpha1.Constraints{
-					FloatingPools: []stackitv1alpha1.FloatingPool{
-						{
-							Name: floatingPoolName1,
-						},
-					},
-				},
-			}
-		})
-
-		It("should validate that the floating pool name exists in the cloud profile", func() {
-			oldInfrastructureConfig := infrastructureConfig.DeepCopy()
-			infrastructureConfig.FloatingPoolName = "does-for-sure-not-exist-in-cloudprofile"
-
-			errorList := ValidateInfrastructureConfigAgainstCloudProfile(oldInfrastructureConfig, infrastructureConfig, cloudProfileConfig, nilPath)
-			Expect(errorList).To(ConsistOfFields(Fields{
-				"Type":     Equal(field.ErrorTypeNotSupported),
-				"Field":    Equal("floatingPoolName"),
-				"BadValue": Equal("does-for-sure-not-exist-in-cloudprofile"),
-			}))
-		})
-
-		It("should not validate anything if the floating pool name was not changed", func() {
-			infrastructureConfig.FloatingPoolName = "does-for-sure-not-exist-in-cloudprofile"
-			oldInfrastructureConfig := infrastructureConfig.DeepCopy()
-
-			errorList := ValidateInfrastructureConfigAgainstCloudProfile(oldInfrastructureConfig, infrastructureConfig, cloudProfileConfig, nilPath)
-			Expect(errorList).To(BeEmpty())
-		})
-
-	})
 })