diff --git a/GNUmakefile b/GNUmakefile
index 773116c2c7..e41b8c6825 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -50,8 +50,6 @@ help:
 	@echo ""
 	@echo "  -DUSE_BOOST_SYSTEM_LIBS=off"
 	@echo "    if ON, use the operating system Boost installation"
-	@echo "  -DUSE_BOOST_UNITTESTS=on"
-	@echo "    if ON, use Boost unittest framework if this available"
 	@echo ""
 	@echo "OPENSSL supports:"
 	@echo "  -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl"
@@ -61,10 +59,6 @@ help:
 	@echo "  -DUSE_JEMALLOC=on"
 	@echo "    if ON, link against JEMALLOC"
 	@echo ""
-	@echo "TCMALLOC supports:"
-	@echo "  -DUSE_TCMALLOC=on"
-	@echo "    if ON, link against TCMALLOC"
-	@echo ""
 	@echo "V8 supports:"
 	@echo "  -DUSE_PRECOMPILED_V8=off"
 	@echo "    if ON, use precompiled V8 libraries"