diff --git a/Makefile b/Makefile
index 06d254263..f7f481096 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,6 @@ BITCOIN_SRC :=					\
 BITCOIN_OBJS := $(BITCOIN_SRC:.c=.o)
 
 CORE_SRC :=					\
-	opt_bits.c				\
 	type_to_string.c			\
 	utils.c					\
 	version.c
@@ -177,7 +176,6 @@ CORE_TX_HEADERS := close_tx.h			\
 	permute_tx.h
 
 CORE_HEADERS := 				\
-	opt_bits.h				\
 	overflows.h				\
 	type_to_string.h			\
 	utils.h					\
diff --git a/opt_bits.c b/opt_bits.c
deleted file mode 100644
index 3ed397049..000000000
--- a/opt_bits.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "opt_bits.h"
-
-char *opt_set_bits(const char *arg, u64 *satoshi)
-{
-	unsigned long long ll;
-	char *ret = opt_set_ulonglongval_si(arg, &ll);
-	if (ret)
-		return ret;
-	*satoshi = ll * 100;
-	if (*satoshi / 100 != ll)
-		return "Invalid number of bits";
-	return NULL;
-}
-
-void opt_show_bits(char buf[OPT_SHOW_LEN], const u64 *bits)
-{
-	unsigned long long ll = *bits / 100;
-	opt_show_ulonglongval_si(buf, &ll);
-}
-
diff --git a/opt_bits.h b/opt_bits.h
deleted file mode 100644
index 8e8f6fed8..000000000
--- a/opt_bits.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef LIGHTNING_OPT_BITS_H
-#define LIGHTNING_OPT_BITS_H
-#include "config.h"
-#include <ccan/opt/opt.h>
-#include <ccan/short_types/short_types.h>
-
-char *opt_set_bits(const char *arg, u64 *satoshi);
-void opt_show_bits(char buf[OPT_SHOW_LEN], const u64 *bits);
-
-#endif /* LIGHTNING_OPT_BITS_H */