diff --git a/Makefile.am b/Makefile.am
index 566752532..7e97bf83a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,11 +33,6 @@ libgtsam_la_SOURCES =
 libgtsam_la_LIBADD = $(SUBLIBS)
 libgtsam_la_LDFLAGS = -version-info 0:0:0
 
-# Store the absolute path to the directory above gtsam for the include path,
-# saves us from having an extra 'gtsam' subdirectory.
-#BORG_SRCROOT := $(shell cd $(top_srcdir)/.. && pwd)
-#AM_MAKEFLAGS = "BORG_SRCROOT=$(BORG_SRCROOT)"
-
 # Add these files to make sure they're in the distribution
 noinst_HEADERS = gtsam.h
 EXTRA_DIST = autogen.sh configure.ac THANKS