diff --git a/src/num.h b/src/num.h
index c86f847858..7beaf1d897 100644
--- a/src/num.h
+++ b/src/num.h
@@ -17,9 +17,6 @@
 #error "Please select num implementation"
 #endif
 
-/** Clear a number to prevent the leak of sensitive data. */
-static void secp256k1_num_clear(secp256k1_num_t *r);
-
 /** Copy a number. */
 static void secp256k1_num_copy(secp256k1_num_t *r, const secp256k1_num_t *a);
 
@@ -30,15 +27,9 @@ static void secp256k1_num_get_bin(unsigned char *r, unsigned int rlen, const sec
 /** Set a number to the value of a binary big-endian string. */
 static void secp256k1_num_set_bin(secp256k1_num_t *r, const unsigned char *a, unsigned int alen);
 
-/** Set a number equal to a (signed) integer. */
-static void secp256k1_num_set_int(secp256k1_num_t *r, int a);
-
 /** Compute a modular inverse. The input must be less than the modulus. */
 static void secp256k1_num_mod_inverse(secp256k1_num_t *r, const secp256k1_num_t *a, const secp256k1_num_t *m);
 
-/** Multiply two numbers modulo another. */
-static void secp256k1_num_mod_mul(secp256k1_num_t *r, const secp256k1_num_t *a, const secp256k1_num_t *b, const secp256k1_num_t *m);
-
 /** Compare the absolute value of two numbers. */
 static int secp256k1_num_cmp(const secp256k1_num_t *a, const secp256k1_num_t *b);
 
@@ -61,40 +52,16 @@ static void secp256k1_num_div(secp256k1_num_t *r, const secp256k1_num_t *a, cons
     even if r was negative. */
 static void secp256k1_num_mod(secp256k1_num_t *r, const secp256k1_num_t *m);
 
-/** Calculate the number of bits in (the absolute value of) a number. */
-static int secp256k1_num_bits(const secp256k1_num_t *a);
-
 /** Right-shift the passed number by bits bits, and return those bits. */
 static int secp256k1_num_shift(secp256k1_num_t *r, int bits);
 
 /** Check whether a number is zero. */
 static int secp256k1_num_is_zero(const secp256k1_num_t *a);
 
-/** Check whether a number is odd. */
-static int secp256k1_num_is_odd(const secp256k1_num_t *a);
-
 /** Check whether a number is strictly negative. */
 static int secp256k1_num_is_neg(const secp256k1_num_t *a);
 
-/** Check whether a particular bit is set in a number. */
-static int secp256k1_num_get_bit(const secp256k1_num_t *a, int pos);
-
-/** Increase a number by 1. */
-static void secp256k1_num_inc(secp256k1_num_t *r);
-
-/** Set a number equal to the value of a hex string (unsigned). */
-static void secp256k1_num_set_hex(secp256k1_num_t *r, const char *a, int alen);
-
-/** Convert (the absolute value of) a number to a hexadecimal string. */
-static void secp256k1_num_get_hex(char *r, int rlen, const secp256k1_num_t *a);
-
-/** Split a number into a low and high part. */
-static void secp256k1_num_split(secp256k1_num_t *rl, secp256k1_num_t *rh, const secp256k1_num_t *a, int bits);
-
 /** Change a number's sign. */
 static void secp256k1_num_negate(secp256k1_num_t *r);
 
-/** Get a bunch of bits from a number. */
-static int secp256k1_num_get_bits(const secp256k1_num_t *a, int offset, int count);
-
 #endif
diff --git a/src/num_gmp_impl.h b/src/num_gmp_impl.h
index e7eae86763..420a42d1b4 100644
--- a/src/num_gmp_impl.h
+++ b/src/num_gmp_impl.h
@@ -22,35 +22,10 @@ static void secp256k1_num_sanity(const secp256k1_num_t *a) {
 #define secp256k1_num_sanity(a) do { } while(0)
 #endif
 
-static void secp256k1_num_init(secp256k1_num_t *r) {
-    r->neg = 0;
-    r->limbs = 1;
-    r->data[0] = 0;
-}
-
-static void secp256k1_num_clear(secp256k1_num_t *r) {
-    memset(r, 0, sizeof(*r));
-}
-
-static void secp256k1_num_free(secp256k1_num_t *r) {
-    (void)r;
-}
-
 static void secp256k1_num_copy(secp256k1_num_t *r, const secp256k1_num_t *a) {
     *r = *a;
 }
 
-static int secp256k1_num_bits(const secp256k1_num_t *a) {
-    int ret=(a->limbs-1)*GMP_NUMB_BITS;
-    mp_limb_t x=a->data[a->limbs-1];
-    while (x) {
-        x >>= 1;
-        ret++;
-    }
-    return ret;
-}
-
-
 static void secp256k1_num_get_bin(unsigned char *r, unsigned int rlen, const secp256k1_num_t *a) {
     unsigned char tmp[65];
     int len = 0;
@@ -81,12 +56,6 @@ static void secp256k1_num_set_bin(secp256k1_num_t *r, const unsigned char *a, un
     while (r->limbs > 1 && r->data[r->limbs-1]==0) r->limbs--;
 }
 
-static void secp256k1_num_set_int(secp256k1_num_t *r, int a) {
-    r->limbs = 1;
-    r->neg = (a < 0);
-    r->data[0] = (a < 0) ? -a : a;
-}
-
 static void secp256k1_num_add_abs(secp256k1_num_t *r, const secp256k1_num_t *a, const secp256k1_num_t *b) {
     mp_limb_t c = mpn_add(r->data, a->data, a->limbs, b->data, b->limbs);
     r->limbs = a->limbs;
@@ -165,10 +134,6 @@ static int secp256k1_num_is_zero(const secp256k1_num_t *a) {
     return (a->limbs == 1 && a->data[0] == 0);
 }
 
-static int secp256k1_num_is_odd(const secp256k1_num_t *a) {
-    return a->data[0] & 1;
-}
-
 static int secp256k1_num_is_neg(const secp256k1_num_t *a) {
     return (a->limbs > 1 || a->data[0] != 0) && a->neg;
 }
@@ -260,12 +225,6 @@ static void secp256k1_num_div(secp256k1_num_t *r, const secp256k1_num_t *a, cons
     r->neg = a->neg ^ b->neg;
 }
 
-static void secp256k1_num_mod_mul(secp256k1_num_t *r, const secp256k1_num_t *a, const secp256k1_num_t *b, const secp256k1_num_t *m) {
-    secp256k1_num_mul(r, a, b);
-    secp256k1_num_mod(r, m);
-}
-
-
 static int secp256k1_num_shift(secp256k1_num_t *r, int bits) {
     VERIFY_CHECK(bits <= GMP_NUMB_BITS);
     mp_limb_t ret = mpn_rshift(r->data, r->data, r->limbs, bits);
@@ -274,107 +233,8 @@ static int secp256k1_num_shift(secp256k1_num_t *r, int bits) {
     return ret;
 }
 
-static int secp256k1_num_get_bit(const secp256k1_num_t *a, int pos) {
-    return (a->limbs*GMP_NUMB_BITS > pos) && ((a->data[pos/GMP_NUMB_BITS] >> (pos % GMP_NUMB_BITS)) & 1);
-}
-
-static void secp256k1_num_inc(secp256k1_num_t *r) {
-    mp_limb_t ret = mpn_add_1(r->data, r->data, r->limbs, (mp_limb_t)1);
-    if (ret) {
-        VERIFY_CHECK(r->limbs < 2*NUM_LIMBS);
-        r->data[r->limbs++] = ret;
-    }
-}
-
-static void secp256k1_num_set_hex(secp256k1_num_t *r, const char *a, int alen) {
-    static const unsigned char cvt[256] = {
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 1, 2, 3, 4, 5, 6,7,8,9,0,0,0,0,0,0,
-        0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0,
-        0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0
-    };
-    unsigned char num[257] = {};
-    for (int i=0; i<alen; i++) {
-        num[i] = cvt[(unsigned char)a[i]];
-    }
-    r->limbs = mpn_set_str(r->data, num, alen, 16);
-    r->neg = 0;
-    while (r->limbs > 1 && r->data[r->limbs-1] == 0) r->limbs--;
-}
-
-static void secp256k1_num_get_hex(char *r, int rlen, const secp256k1_num_t *a) {
-    static const unsigned char cvt[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
-    unsigned char *tmp = malloc(257);
-    mp_size_t len = mpn_get_str(tmp, 16, (mp_limb_t*)a->data, a->limbs);
-    VERIFY_CHECK(len <= rlen);
-    for (int i=0; i<len; i++) {
-        VERIFY_CHECK(rlen-len+i >= 0);
-        VERIFY_CHECK(rlen-len+i < rlen);
-        VERIFY_CHECK(tmp[i] < 16);
-        r[rlen-len+i] = cvt[tmp[i]];
-    }
-    for (int i=0; i<rlen-len; i++) {
-        VERIFY_CHECK(i >= 0);
-        VERIFY_CHECK(i < rlen);
-        r[i] = cvt[0];
-    }
-    free(tmp);
-}
-
-static void secp256k1_num_split(secp256k1_num_t *rl, secp256k1_num_t *rh, const secp256k1_num_t *a, int bits) {
-    VERIFY_CHECK(bits > 0);
-    rh->neg = a->neg;
-    if (bits >= a->limbs * GMP_NUMB_BITS) {
-        *rl = *a;
-        rh->limbs = 1;
-        rh->data[0] = 0;
-        return;
-    }
-    rl->limbs = 0;
-    rl->neg = a->neg;
-    int left = bits;
-    while (left >= GMP_NUMB_BITS) {
-        rl->data[rl->limbs] = a->data[rl->limbs];
-        rl->limbs++;
-        left -= GMP_NUMB_BITS;
-    }
-    if (left == 0) {
-        mpn_copyi(rh->data, a->data + rl->limbs, a->limbs - rl->limbs);
-        rh->limbs = a->limbs - rl->limbs;
-    } else {
-        mpn_rshift(rh->data, a->data + rl->limbs, a->limbs - rl->limbs, left);
-        rh->limbs = a->limbs - rl->limbs;
-        while (rh->limbs>1 && rh->data[rh->limbs-1]==0) rh->limbs--;
-    }
-    if (left > 0) {
-        rl->data[rl->limbs] = a->data[rl->limbs] & ((((mp_limb_t)1) << left) - 1);
-        rl->limbs++;
-    }
-    while (rl->limbs>1 && rl->data[rl->limbs-1]==0) rl->limbs--;
-}
-
 static void secp256k1_num_negate(secp256k1_num_t *r) {
     r->neg ^= 1;
 }
 
-static int secp256k1_num_get_bits(const secp256k1_num_t *a, int offset, int count) {
-    int ret = 0;
-    for (int i = 0; i < count; i++) {
-        ret |= ((a->data[(offset + i) / GMP_NUMB_BITS] >> ((offset + i) % GMP_NUMB_BITS)) & 1) << i;
-    }
-    return ret;
-}
-
 #endif
diff --git a/src/tests.c b/src/tests.c
index a3b1f4f38c..6830f745fd 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -125,39 +125,6 @@ void random_num_order(secp256k1_num_t *num) {
     } while(1);
 }
 
-void test_num_copy_inc_cmp(void) {
-    secp256k1_num_t n1,n2;
-    random_num_order(&n1);
-    secp256k1_num_copy(&n2, &n1);
-    CHECK(secp256k1_num_eq(&n1, &n2));
-    CHECK(secp256k1_num_eq(&n2, &n1));
-    secp256k1_num_inc(&n2);
-    CHECK(!secp256k1_num_eq(&n1, &n2));
-    CHECK(!secp256k1_num_eq(&n2, &n1));
-}
-
-
-void test_num_get_set_hex(void) {
-    secp256k1_num_t n1,n2;
-    random_num_order_test(&n1);
-    char c[64];
-    secp256k1_num_get_hex(c, 64, &n1);
-    secp256k1_num_set_hex(&n2, c, 64);
-    CHECK(secp256k1_num_eq(&n1, &n2));
-    for (int i=0; i<64; i++) {
-        /* check whether the lower 4 bits correspond to the last hex character */
-        int low1 = secp256k1_num_shift(&n1, 4);
-        int lowh = c[63];
-        int low2 = ((lowh>>6)*9+(lowh-'0'))&15;
-        CHECK(low1 == low2);
-        /* shift bits off the hex representation, and compare */
-        memmove(c+1, c, 63);
-        c[0] = '0';
-        secp256k1_num_set_hex(&n2, c, 64);
-        CHECK(secp256k1_num_eq(&n1, &n2));
-    }
-}
-
 void test_num_get_set_bin(void) {
     secp256k1_num_t n1,n2;
     random_num_order_test(&n1);
@@ -178,18 +145,6 @@ void test_num_get_set_bin(void) {
     }
 }
 
-void run_num_int(void) {
-    secp256k1_num_t n1;
-    for (int i=-255; i<256; i++) {
-        unsigned char c1[3] = {};
-        c1[2] = abs(i);
-        unsigned char c2[3] = {0x11,0x22,0x33};
-        secp256k1_num_set_int(&n1, i);
-        secp256k1_num_get_bin(c2, 3, &n1);
-        CHECK(memcmp(c1, c2, 3) == 0);
-    }
-}
-
 void test_num_negate(void) {
     secp256k1_num_t n1;
     secp256k1_num_t n2;
@@ -241,13 +196,10 @@ void test_num_add_sub(void) {
 
 void run_num_smalltests(void) {
     for (int i=0; i<100*count; i++) {
-        test_num_copy_inc_cmp();
-        test_num_get_set_hex();
         test_num_get_set_bin();
         test_num_negate();
         test_num_add_sub();
     }
-    run_num_int();
 }
 
 /***** SCALAR TESTS *****/