diff --git a/bigint/Makefile b/bigint/Makefile
index 5b9ac79..0e1dac6 100644
--- a/bigint/Makefile
+++ b/bigint/Makefile
@@ -4,7 +4,7 @@
 
 DIRS = src tst
 
-all:
+all: clean
 		for i in $(DIRS) ; do \
 		  $(MAKE) -C $$i install ; \
 		done
diff --git a/bigint/build/bin/testbip b/bigint/build/bin/testbip
index 9445dc5..a94228e 100755
Binary files a/bigint/build/bin/testbip and b/bigint/build/bin/testbip differ
diff --git a/bigint/build/lib/libbigint.a b/bigint/build/lib/libbigint.a
index c5445c0..e934acb 100644
Binary files a/bigint/build/lib/libbigint.a and b/bigint/build/lib/libbigint.a differ
diff --git a/bigint/src/bigint.o b/bigint/src/bigint.o
index 162ad9f..2ad822d 100644
Binary files a/bigint/src/bigint.o and b/bigint/src/bigint.o differ
diff --git a/bigint/src/libbigint.a b/bigint/src/libbigint.a
index c5445c0..e934acb 100644
Binary files a/bigint/src/libbigint.a and b/bigint/src/libbigint.a differ
diff --git a/bigint/tst/support.o b/bigint/tst/support.o
index 3293afa..217a32a 100644
Binary files a/bigint/tst/support.o and b/bigint/tst/support.o differ
diff --git a/bigint/tst/testbip b/bigint/tst/testbip
index 9445dc5..a94228e 100755
Binary files a/bigint/tst/testbip and b/bigint/tst/testbip differ
diff --git a/bigint/tst/testbip.o b/bigint/tst/testbip.o
index d8aaf39..e5fc067 100644
Binary files a/bigint/tst/testbip.o and b/bigint/tst/testbip.o differ
diff --git a/consts.c b/consts.c
index 348d59a..ae8797c 100644
--- a/consts.c
+++ b/consts.c
@@ -1,6 +1,6 @@
 #ifndef CONSTS
 #define CONSTS
-#define VERSION 8
+#define VERSION 7
 
 #endif /* ifndef CONSTS
 #define CONSTS
diff --git a/njvm.c b/njvm.c
index e80ba91..f46233c 100644
--- a/njvm.c
+++ b/njvm.c
@@ -312,9 +312,6 @@ void tests(void) {
 }
 
 int main(int argc, char *argv[]) {
-    // Initialize the HEAP
-    int hsize = 8 * 1024;
-    int hcurrent = 0;
 
 
     // Initialize the Stack
diff --git a/njvm.o b/njvm.o
index 91dedc9..e83c127 100644
Binary files a/njvm.o and b/njvm.o differ
diff --git a/support.o b/support.o
index 03bc03d..dc01f15 100644
Binary files a/support.o and b/support.o differ