diff --git a/scripts/build-types/BuildApiSnapshot.js b/scripts/build-types/BuildApiSnapshot.js
index 4393ebe3acb4..937edf937aaf 100644
--- a/scripts/build-types/BuildApiSnapshot.js
+++ b/scripts/build-types/BuildApiSnapshot.js
@@ -38,7 +38,7 @@ const postTransforms: $ReadOnlyArray<PluginObj<mixed>> = [
   require('./transforms/typescript/stripUnstableApis'),
   require('./transforms/typescript/sortProperties'),
   require('./transforms/typescript/sortUnions'),
-  require('./transforms/removeUndefinedFromOptionalMembers'),
+  require('./transforms/typescript/removeUndefinedFromOptionalMembers'),
   require('./transforms/typescript/organizeDeclarations'),
 ];
 
diff --git a/scripts/build-types/transforms/__tests__/removeUndefinedFromOptionalMembers-test.js b/scripts/build-types/transforms/typescript/__tests__/removeUndefinedFromOptionalMembers-test.js
similarity index 100%
rename from scripts/build-types/transforms/__tests__/removeUndefinedFromOptionalMembers-test.js
rename to scripts/build-types/transforms/typescript/__tests__/removeUndefinedFromOptionalMembers-test.js
diff --git a/scripts/build-types/transforms/removeUndefinedFromOptionalMembers.js b/scripts/build-types/transforms/typescript/removeUndefinedFromOptionalMembers.js
similarity index 100%
rename from scripts/build-types/transforms/removeUndefinedFromOptionalMembers.js
rename to scripts/build-types/transforms/typescript/removeUndefinedFromOptionalMembers.js