diff --git a/workspaces/config/lib/definitions/index.js b/workspaces/config/lib/definitions/index.js
index 748f306bd2ce3..51c7aa7c352cf 100644
--- a/workspaces/config/lib/definitions/index.js
+++ b/workspaces/config/lib/definitions/index.js
@@ -25,9 +25,6 @@ const flatten = (obj, flat = {}) => {
     : /* istanbul ignore next - not configurable property */ undefined
   flat.nodeBin = process.env.NODE || process.execPath
 
-  // XXX should this be sha512?  is it even relevant?
-  flat.hashAlgorithm = 'sha1'
-
   return flat
 }
 
diff --git a/workspaces/config/test/definitions/index.js b/workspaces/config/test/definitions/index.js
index 26c2a7fdf84e2..35bf4bc6885fd 100644
--- a/workspaces/config/test/definitions/index.js
+++ b/workspaces/config/test/definitions/index.js
@@ -36,7 +36,6 @@ t.test('flatten', t => {
     '//foo.bar.com:_authToken': 'foobarbazquuxasdf',
     npmBin: '/path/to/npm',
     nodeBin: '/path/to/node',
-    hashAlgorithm: 'sha1',
   })
 
   mockGlobals(t, {
@@ -52,7 +51,6 @@ t.test('flatten', t => {
     '//foo.bar.com:_authToken': 'foobarbazquuxasdf',
     npmBin: '/path/to/npm',
     nodeBin: '/usr/local/bin/node.exe',
-    hashAlgorithm: 'sha1',
   })
 
   t.end()