diff --git a/moxvar/version.go b/moxvar/version.go
index 8c6bac8..69b5f7c 100644
--- a/moxvar/version.go
+++ b/moxvar/version.go
@@ -1,38 +1,5 @@
 // Package moxvar provides the version number of a mox build.
 package moxvar
 
-import (
-	"runtime/debug"
-)
-
-// Version is set at runtime based on the Go module used to build.
-var Version = "(devel)"
-
-func init() {
-	buildInfo, ok := debug.ReadBuildInfo()
-	if !ok {
-		return
-	}
-	Version = buildInfo.Main.Version
-	if Version == "(devel)" {
-		var vcsRev, vcsMod string
-		for _, setting := range buildInfo.Settings {
-			if setting.Key == "vcs.revision" {
-				vcsRev = setting.Value
-			} else if setting.Key == "vcs.modified" {
-				vcsMod = setting.Value
-			}
-		}
-		if vcsRev == "" {
-			return
-		}
-		Version = vcsRev
-		switch vcsMod {
-		case "false":
-		case "true":
-			Version += "+modifications"
-		default:
-			Version += "+unknown"
-		}
-	}
-}
+// Version is set via a build flag
+var Version string;