diff --git a/pkg/resource/podtemplatespec_test.go b/pkg/resource/podtemplatespec_test.go
index 71683b54f..b5812877b 100644
--- a/pkg/resource/podtemplatespec_test.go
+++ b/pkg/resource/podtemplatespec_test.go
@@ -465,10 +465,9 @@ func TestMakePodTemplateSpecS3CloudFront(t *testing.T) {
 			Storage: v1.ImageRegistryConfigStorage{
 				ManagementState: "Unmanaged",
 				S3: &v1.ImageRegistryConfigStorageS3{
-					Bucket:       "bucket",
-					Region:       "region",
-					ChunkSizeMiB: 10,
-					Encrypt:      true,
+					Bucket:  "bucket",
+					Region:  "region",
+					Encrypt: true,
 					CloudFront: &v1.ImageRegistryConfigStorageS3CloudFront{
 						BaseURL:   "https://cloudfront.example.com",
 						KeypairID: "keypair-id",
@@ -526,7 +525,6 @@ func TestMakePodTemplateSpecS3CloudFront(t *testing.T) {
 	expectedEnvVars := map[string]corev1.EnvVar{
 		"REGISTRY_STORAGE":                          {Value: "s3"},
 		"REGISTRY_STORAGE_S3_BUCKET":                {Value: "bucket"},
-		"REGISTRY_STORAGE_S3_CHUNKSIZE":             {Value: "10485760"},
 		"REGISTRY_STORAGE_S3_REGION":                {Value: "region"},
 		"REGISTRY_STORAGE_S3_ENCRYPT":               {Value: "true"},
 		"REGISTRY_STORAGE_S3_FORCEPATHSTYLE":        {Value: "false"},
diff --git a/pkg/storage/s3/s3.go b/pkg/storage/s3/s3.go
index 2d7815ae9..94400437f 100644
--- a/pkg/storage/s3/s3.go
+++ b/pkg/storage/s3/s3.go
@@ -414,11 +414,6 @@ func (d *driver) ConfigEnv() (envs envvar.List, err error) {
 		envs = append(envs, envvar.EnvVar{Name: "REGISTRY_STORAGE_S3_KEYID", Value: d.Config.KeyID})
 	}
 
-	if d.Config.ChunkSizeMiB > 4 && d.Config.ChunkSizeMiB < 5121 {
-		chunksize := int64(d.Config.ChunkSizeMiB) * 1024 * 1024
-		envs = append(envs, envvar.EnvVar{Name: "REGISTRY_STORAGE_S3_CHUNKSIZE", Value: chunksize})
-	}
-
 	// virtualHostedStyle tells the registry to use urls in the form of
 	// bucket-name.s3-endpoint.etc.
 	// the forcePathStyle setting was introduced to control the same