diff --git a/gtsam/base/Makefile.am b/gtsam/base/Makefile.am
index f32de8eb3..0d4189dd7 100644
--- a/gtsam/base/Makefile.am
+++ b/gtsam/base/Makefile.am
@@ -33,7 +33,6 @@ check_PROGRAMS += tests/testLieVector tests/testLieScalar
 
 # Data structures
 headers += BTree.h DSF.h FastMap.h FastSet.h FastList.h FastVector.h
-headers += boost_variant_with_workaround.h
 sources += DSFVector.cpp
 check_PROGRAMS += tests/testBTree tests/testDSF tests/testDSFVector