diff --git a/src/cmd/go/internal/modload/modfile.go b/src/cmd/go/internal/modload/modfile.go
index 0b135c5fb5..a45c4a63be 100644
--- a/src/cmd/go/internal/modload/modfile.go
+++ b/src/cmd/go/internal/modload/modfile.go
@@ -345,7 +345,7 @@ type retraction struct {
 
 // goModSummary returns a summary of the go.mod file for module m,
 // taking into account any replacements for m, exclusions of its dependencies,
-// and or vendoring.
+// and/or vendoring.
 //
 // goModSummary cannot be used on the Target module, as its requirements
 // may change.
@@ -405,7 +405,7 @@ func goModSummary(m module.Version) (*modFileSummary, error) {
 				return cached{nil, module.VersionError(actual, errors.New("parsing go.mod: missing module line"))}
 			}
 
-			// In theory we should only allow mpath to be unequal to mod.Path here if the
+			// In theory we should only allow mpath to be unequal to m.Path here if the
 			// version that we fetched lacks an explicit go.mod file: if the go.mod file
 			// is explicit, then it should match exactly (to ensure that imports of other
 			// packages within the module are interpreted correctly). Unfortunately, we
diff --git a/src/cmd/go/internal/modload/mvs.go b/src/cmd/go/internal/modload/mvs.go
index d023ab5094..24856260d4 100644
--- a/src/cmd/go/internal/modload/mvs.go
+++ b/src/cmd/go/internal/modload/mvs.go
@@ -14,7 +14,6 @@ import (
 
 	"cmd/go/internal/modfetch"
 	"cmd/go/internal/mvs"
-	"cmd/go/internal/par"
 
 	"golang.org/x/mod/module"
 	"golang.org/x/mod/semver"
@@ -24,7 +23,6 @@ import (
 // with any exclusions or replacements applied internally.
 type mvsReqs struct {
 	buildList []module.Version
-	cache     par.Cache // module.Version → Required method results
 }
 
 // Reqs returns the current module requirement graph.