diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9f47d23
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+*.o
+enumerate
+idealbounds
+graph
+D2n
+dominant_weights
diff --git a/Makefile b/Makefile
index 2e269b1..00946a3 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ HEADERS=weyl.h thickenings.h queue.h bitvec.h
 #SPECIAL_OPTIONS=-O3 -pg -funroll-loops -fno-inline
 SPECIAL_OPTIONS=-O3 -flto -funroll-loops -Winline
 
-OPTIONS=-m64 -march=native -mtune=native -std=gnu99 -D_GNU_SOURCE $(SPECIAL_OPTIONS)
+OPTIONS=-m64 -march=native -std=gnu99 -D_GNU_SOURCE $(SPECIAL_OPTIONS)
 NAME=enumerate-balanced-ideals
 
 all: enumerate graph D2n dominant_weights