diff --git a/tools/opt/Makefile b/tools/opt/Makefile
index cc26eda..42e87ca 100644
--- a/tools/opt/Makefile
+++ b/tools/opt/Makefile
@@ -11,7 +11,7 @@
 
 USEDLIBS = bcreader bcwriter \
            instrument profpaths scalaropts \
-           ipo ipa.a datastructure transforms target.a analysis \
+           ipo ipa datastructure transforms target.a analysis \
            transformutils vmcore support
 TOOLLINKOPTS = $(PLATFORMLIBDL)