diff --git a/pkg/gcp/gcb/gcb.go b/pkg/gcp/gcb/gcb.go
index 215c777e8a5..243e3acc91e 100644
--- a/pkg/gcp/gcb/gcb.go
+++ b/pkg/gcp/gcb/gcb.go
@@ -284,12 +284,9 @@ func (g *GCB) Submit() error {
 	}
 
 	// build the GCS bucket string to be used to sign all the artifacts
-	bucketPrefix := release.BucketPrefix
-	gcsBucket := "gs://" + bucketPrefix
+	gcsBucket := "gs://" + release.TestBucket
 	if g.options.NoMock {
-		gcsBucket = strings.TrimSuffix(gcsBucket, "-")
-	} else {
-		gcsBucket = fmt.Sprintf("%s%s", gcsBucket, "gcb")
+		gcsBucket = strings.ReplaceAll(gcsBucket, release.TestBucket, release.ProductionBucket)
 	}
 
 	gcbSubs, gcbSubsErr := g.SetGCBSubstitutions(toolOrg, toolRepo, toolRef, gcsBucket)
@@ -321,14 +318,13 @@ func (g *GCB) Submit() error {
 		gcbSubs["NOMOCK_TAG"] = ""
 		gcbSubs["NOMOCK"] = ""
 
-		userBucket := fmt.Sprintf("%s%s", bucketPrefix, gcbSubs["GCP_USER_TAG"])
+		userBucket := strings.ReplaceAll(release.TestBucket, "gcb", gcbSubs["GCP_USER_TAG"])
 		userBucketSetErr := os.Setenv("USER_BUCKET", userBucket)
 		if userBucketSetErr != nil {
 			return userBucketSetErr
 		}
 
-		testBucket := fmt.Sprintf("%s%s", bucketPrefix, "gcb")
-		testBucketSetErr := os.Setenv("BUCKET", testBucket)
+		testBucketSetErr := os.Setenv("BUCKET", release.TestBucket)
 		if testBucketSetErr != nil {
 			return testBucketSetErr
 		}
diff --git a/pkg/release/release.go b/pkg/release/release.go
index 25a1bd495ef..71e8a5cfc2e 100644
--- a/pkg/release/release.go
+++ b/pkg/release/release.go
@@ -55,8 +55,6 @@ const (
 	DefaultRelengStagingTestProject = "k8s-staging-releng-test"
 	DefaultRelengStagingProject     = "k8s-staging-releng"
 	DefaultDiskSize                 = "500"
-	BucketPrefix                    = "kubernetes-release-"
-	BucketPrefixK8sInfra            = "k8s-release-"
 
 	versionReleaseRE   = `v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)-?([a-zA-Z0-9]+\.(0|[1-9][0-9]*)\.)?`
 	versionBuildRE     = `([0-9]{1,})\+([0-9a-f]{5,40})`