diff --git a/sdk/resource/converter.go b/sdk/resource/converter.go
deleted file mode 100644
index 334cb3021c1..00000000000
--- a/sdk/resource/converter.go
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package resource // import "go.opentelemetry.io/otel/sdk/resource"
-
-import (
-	"errors"
-	"fmt"
-
-	"go.opentelemetry.io/otel/sdk/resource/internal/schema"
-	"go.opentelemetry.io/otel/sdk/resource/internal/schema/resconv"
-)
-
-var errUnknownSchema = errors.New("unknown schema")
-
-// upgradeResource returns a copy of orig with the schema URL set to schemaURL
-// and all attributes transformed based on the associated schema. If the schema
-// transformation fails an error is returned.
-func upgradeResource(schemaURL string, r *Resource) (*Resource, error) {
-	if r == nil || r.Len() == 0 {
-		return NewWithAttributes(schemaURL), nil
-	}
-
-	if r.SchemaURL() == schemaURL {
-		// Resources are immutable, just return the ptr to the same value.
-		return r, nil
-	}
-
-	s, ok := schema.Schemas[schemaURL]
-	if !ok {
-		return nil, fmt.Errorf("%w: %s", errUnknownSchema, schemaURL)
-	}
-	attrs := r.Attributes()
-	if err := resconv.Upgrade(s, attrs); err != nil {
-		return nil, err
-	}
-	return NewWithAttributes(schemaURL, attrs...), nil
-}
diff --git a/sdk/resource/resource.go b/sdk/resource/resource.go
index c8f4e87f6d3..da35fdc0d66 100644
--- a/sdk/resource/resource.go
+++ b/sdk/resource/resource.go
@@ -16,11 +16,14 @@ package resource // import "go.opentelemetry.io/otel/sdk/resource"
 
 import (
 	"context"
+	"errors"
+	"fmt"
 	"sync"
 
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/sdk/resource/internal/schema"
+	"go.opentelemetry.io/otel/sdk/resource/internal/schema/resconv"
 )
 
 // Resource describes an entity about which identifying information
@@ -218,6 +221,32 @@ func Merge(a, b *Resource) (*Resource, error) {
 	return merged, err
 }
 
+var errUnknownSchema = errors.New("unknown schema")
+
+// upgradeResource returns a copy of orig with the schema URL set to schemaURL
+// and all attributes transformed based on the associated schema. If the schema
+// transformation fails an error is returned.
+func upgradeResource(schemaURL string, r *Resource) (*Resource, error) {
+	if r == nil || r.Len() == 0 {
+		return NewWithAttributes(schemaURL), nil
+	}
+
+	if r.SchemaURL() == schemaURL {
+		// Resources are immutable, just return the ptr to the same value.
+		return r, nil
+	}
+
+	s, ok := schema.Schemas[schemaURL]
+	if !ok {
+		return nil, fmt.Errorf("%w: %s", errUnknownSchema, schemaURL)
+	}
+	attrs := r.Attributes()
+	if err := resconv.Upgrade(s, attrs); err != nil {
+		return nil, err
+	}
+	return NewWithAttributes(schemaURL, attrs...), nil
+}
+
 // Empty returns an instance of Resource with no attributes. It is
 // equivalent to a `nil` Resource.
 func Empty() *Resource {