diff --git a/sourceaddrs/source_registry.go b/sourceaddrs/source_registry.go
index 976d371..20509fc 100644
--- a/sourceaddrs/source_registry.go
+++ b/sourceaddrs/source_registry.go
@@ -29,12 +29,6 @@ type RegistrySource struct {
 	subPath string
 }
 
-type RegistryVersionDeprecation struct {
-	Version string
-	Reason  string
-	Link    string
-}
-
 // sourceSigil implements Source
 func (s RegistrySource) sourceSigil() {}
 
diff --git a/sourcebundle/builder.go b/sourcebundle/builder.go
index 1fce624..e2c421d 100644
--- a/sourcebundle/builder.go
+++ b/sourcebundle/builder.go
@@ -73,7 +73,7 @@ type Builder struct {
 	// selected version of each module registry package.
 	resolvedRegistry map[registryPackageVersion]sourceaddrs.RemoteSource
 
-	resolvedRegistryVersionDeprecations map[registryPackageVersion]*sourceaddrs.RegistryVersionDeprecation
+	resolvedRegistryVersionDeprecations map[registryPackageVersion]*RegistryVersionDeprecation
 
 	// registryPackageVersions caches responses from module registry calls to
 	// look up the available versions for a particular module package. Although
@@ -109,7 +109,7 @@ func NewBuilder(targetDir string, fetcher PackageFetcher, registryClient Registr
 		remotePackageDirs:                   make(map[sourceaddrs.RemotePackage]string),
 		remotePackageMeta:                   make(map[sourceaddrs.RemotePackage]*PackageMeta),
 		resolvedRegistry:                    make(map[registryPackageVersion]sourceaddrs.RemoteSource),
-		resolvedRegistryVersionDeprecations: make(map[registryPackageVersion]*sourceaddrs.RegistryVersionDeprecation),
+		resolvedRegistryVersionDeprecations: make(map[registryPackageVersion]*RegistryVersionDeprecation),
 		registryPackageVersions:             make(map[regaddr.ModulePackage][]ModulePackageInfo),
 	}, nil
 }
@@ -407,11 +407,11 @@ func (b *Builder) findRegistryPackageSource(ctx context.Context, sourceAddr sour
 		realSourceAddr = resp.SourceAddr
 		b.resolvedRegistry[pkgVer] = realSourceAddr
 
-		var deprecation *sourceaddrs.RegistryVersionDeprecation
+		var deprecation *RegistryVersionDeprecation
 		versionDeprecations := extractVersionDeprecationsFromResponse(availablePackageInfos)
 		versionDeprecation := versionDeprecations[selectedVersion]
 		if versionDeprecation != nil {
-			deprecation = &sourceaddrs.RegistryVersionDeprecation{
+			deprecation = &RegistryVersionDeprecation{
 				Version: selectedVersion.String(),
 				Reason:  versionDeprecation.Reason,
 				Link:    versionDeprecation.Link,
diff --git a/sourcebundle/builder_test.go b/sourcebundle/builder_test.go
index e812f9c..5149a9b 100644
--- a/sourcebundle/builder_test.go
+++ b/sourcebundle/builder_test.go
@@ -318,9 +318,9 @@ func TestBuilderRegistryVersionDeprecation(t *testing.T) {
 	version, _ := versions.ParseVersion("1.0.0")
 	pkgAddr, _ := sourceaddrs.ParseRegistryPackage("example.com/foo/bar/baz")
 
-	wantDeprecations := map[regaddr.ModulePackage]map[versions.Version]*sourceaddrs.RegistryVersionDeprecation{
+	wantDeprecations := map[regaddr.ModulePackage]map[versions.Version]*RegistryVersionDeprecation{
 		pkgAddr: {
-			version: &sourceaddrs.RegistryVersionDeprecation{
+			version: &RegistryVersionDeprecation{
 				Version: "1.0.0",
 				Reason:  "test reason",
 				Link:    "test link",
diff --git a/sourcebundle/bundle.go b/sourcebundle/bundle.go
index 8324088..8ff08fd 100644
--- a/sourcebundle/bundle.go
+++ b/sourcebundle/bundle.go
@@ -33,7 +33,7 @@ type Bundle struct {
 	remotePackageMeta map[sourceaddrs.RemotePackage]*PackageMeta
 
 	registryPackageSources             map[regaddr.ModulePackage]map[versions.Version]sourceaddrs.RemoteSource
-	registryPackageVersionDeprecations map[regaddr.ModulePackage]map[versions.Version]*sourceaddrs.RegistryVersionDeprecation
+	registryPackageVersionDeprecations map[regaddr.ModulePackage]map[versions.Version]*RegistryVersionDeprecation
 }
 
 // OpenDir opens a bundle rooted at the given base directory.
@@ -56,7 +56,7 @@ func OpenDir(baseDir string) (*Bundle, error) {
 		remotePackageDirs:                  make(map[sourceaddrs.RemotePackage]string),
 		remotePackageMeta:                  make(map[sourceaddrs.RemotePackage]*PackageMeta),
 		registryPackageSources:             make(map[regaddr.ModulePackage]map[versions.Version]sourceaddrs.RemoteSource),
-		registryPackageVersionDeprecations: make(map[regaddr.ModulePackage]map[versions.Version]*sourceaddrs.RegistryVersionDeprecation),
+		registryPackageVersionDeprecations: make(map[regaddr.ModulePackage]map[versions.Version]*RegistryVersionDeprecation),
 	}
 
 	manifestSrc, err := os.ReadFile(filepath.Join(rootDir, manifestFilename))
@@ -112,7 +112,7 @@ func OpenDir(baseDir string) (*Bundle, error) {
 		}
 		deprecations := ret.registryPackageVersionDeprecations[pkgAddr]
 		if deprecations == nil {
-			deprecations = make(map[versions.Version]*sourceaddrs.RegistryVersionDeprecation)
+			deprecations = make(map[versions.Version]*RegistryVersionDeprecation)
 			ret.registryPackageVersionDeprecations[pkgAddr] = deprecations
 		}
 		for versionStr, mv := range rpm.Versions {
@@ -362,7 +362,7 @@ func (b *Bundle) RegistryPackageVersions(pkgAddr regaddr.ModulePackage) versions
 	return ret
 }
 
-func (b *Bundle) RegistryPackageVersionDeprecation(pkgAddr regaddr.ModulePackage, version versions.Version) *sourceaddrs.RegistryVersionDeprecation {
+func (b *Bundle) RegistryPackageVersionDeprecation(pkgAddr regaddr.ModulePackage, version versions.Version) *RegistryVersionDeprecation {
 	deprecation := b.registryPackageVersionDeprecations[pkgAddr][version]
 	return deprecation
 }
diff --git a/sourcebundle/manifest_json.go b/sourcebundle/manifest_json.go
index e65d057..a97b395 100644
--- a/sourcebundle/manifest_json.go
+++ b/sourcebundle/manifest_json.go
@@ -3,8 +3,6 @@
 
 package sourcebundle
 
-import "github.com/hashicorp/go-slug/sourceaddrs"
-
 // This file contains some internal-only types used to help with marshalling
 // and unmarshalling our manifest file format. The manifest format is not
 // itself a public interface, so these should stay unexported and any caller
@@ -45,8 +43,8 @@ type manifestRegistryVersion struct {
 	// This SourceAddr is a full source address, so it might potentially
 	// have a sub-path portion. If it does then it must be combined with
 	// any sub-path included in the user's registry module source address.
-	SourceAddr  string                                  `json:"source"`
-	Deprecation *sourceaddrs.RegistryVersionDeprecation `json:"deprecation"`
+	SourceAddr  string                      `json:"source"`
+	Deprecation *RegistryVersionDeprecation `json:"deprecation"`
 }
 
 type manifestPackageMeta struct {
diff --git a/sourcebundle/package_meta.go b/sourcebundle/package_meta.go
index 993c302..a184db9 100644
--- a/sourcebundle/package_meta.go
+++ b/sourcebundle/package_meta.go
@@ -20,6 +20,12 @@ type PackageMeta struct {
 	gitCommitMessage string
 }
 
+type RegistryVersionDeprecation struct {
+	Version string
+	Reason  string
+	Link    string
+}
+
 // PackageMetaWithGitMetadata returns a [PackageMeta] object with a Git Commit
 // ID and message tracked.
 //