-tree-share-prefix = $(tree-share)/lilypond/$(TOPLEVEL_VERSION)
-tree-share-prefix-current = $(tree-share)/lilypond/current
-tree-lib-prefix = $(tree-lib)/lilypond/$(TOPLEVEL_VERSION)
-tree-lib-prefix-current = $(tree-lib)/lilypond/current
+
+# Don't put version numbers here. During development
+# they make no sense, and cause EPS files to become invalid.
+
+tree-share-prefix = $(tree-share)/lilypond/current
+tree-lib-prefix = $(tree-lib)/lilypond/current