diff --git a/bench/bench.c b/bench/bench.c
index 745ed59..6d21a04 100644
--- a/bench/bench.c
+++ b/bench/bench.c
@@ -15,13 +15,14 @@ int main(void) {
   bench_third_party();
 
   bench_fp25519();
+  bench_x25519();
+  bench_ed25519();
+
+  bench_fp448();
+  bench_x448();
+  bench_ed448();
+
   bench_hash25519();
-  // bench_x25519();
-  // bench_ed25519();
-  //
-  // bench_fp448();
-  // bench_x448();
-  // bench_ed448();
 
   printf("====  End of Benchmarking  ====\n");
   return 0;
diff --git a/bench/bench.h b/bench/bench.h
index e02c6f7..8337b13 100644
--- a/bench/bench.h
+++ b/bench/bench.h
@@ -1,16 +1,16 @@
 #ifndef PALETA_BENCH_H
 #define PALETA_BENCH_H
 
-void bench_third_party();
-void bench_fp25519();
-void bench_ecc25519();
-void bench_x25519();
-void bench_ed25519();
-void bench_hash25519();
+void bench_third_party(void);
+void bench_fp25519(void);
+void bench_ecc25519(void);
+void bench_x25519(void);
+void bench_ed25519(void);
+void bench_hash25519(void);
 
-void bench_fp448();
-void bench_ecc448();
-void bench_x448();
-void bench_ed448();
+void bench_fp448(void);
+void bench_ecc448(void);
+void bench_x448(void);
+void bench_ed448(void);
 
 #endif /* PALETA_BENCH_H */
diff --git a/bench/bench_ecdh.c b/bench/bench_ecdh.c
index 0abca83..cfeeafe 100644
--- a/bench/bench_ecdh.c
+++ b/bench/bench_ecdh.c
@@ -19,7 +19,7 @@ static void bench_ecdh(const X_ECDH* ecdh) {
   ecdh->freeKey(shared_secret);
 }
 
-void bench_x25519() {
+void bench_x25519(void) {
   printf("===== Benchmarking DH ====\n");
   printf("======  X25519 x64  ======\n");
   bench_ecdh(&X25519_x64);
@@ -27,7 +27,7 @@ void bench_x25519() {
   bench_ecdh(&X25519);
 }
 
-void bench_x448() {
+void bench_x448(void) {
   printf("===== Benchmarking DH ====\n");
   printf("======   X448 AVX2  ======\n");
   bench_ecdh(&X448);
diff --git a/bench/bench_eddsa.c b/bench/bench_eddsa.c
index 113d7a2..756e95b 100644
--- a/bench/bench_eddsa.c
+++ b/bench/bench_eddsa.c
@@ -58,13 +58,13 @@ static void bench_ed448context(const SignatureSchemeCtx *eddsa) {
   eddsa->freeSignature(signature);
 }
 
-void bench_ed25519() {
+void bench_ed25519(void) {
   printf("== Benchmarking EdDSA ====\n");
   printf("====== Ed25519 AVX2 ======\n");
   bench_ed255pure(&Ed25519.Pure);
 }
 
-void bench_ed448() {
+void bench_ed448(void) {
   printf("== Benchmarking EdDSA ====\n");
   printf("======  Ed448 AVX2  ======\n");
   bench_ed448context(&Ed448.PureContext);
diff --git a/bench/bench_fp.c b/bench/bench_fp.c
index 3ff3b74..d2fb534 100644
--- a/bench/bench_fp.c
+++ b/bench/bench_fp.c
@@ -63,7 +63,7 @@ static void bench_4w(const Arith_4w *fp) {
   fp->misc.free(c);
 }
 
-void bench_fp25519() {
+void bench_fp25519(void) {
   printf("=== Benchmarking Arith ===\n");
   printf("======  p=2^255-19  ======\n");
   printf("====== 1-way (full) ======\n");
@@ -76,7 +76,7 @@ void bench_fp25519() {
   bench_4w(&Fp25519._4w_red.arith);
 }
 
-void bench_fp448() {
+void bench_fp448(void) {
   printf("=== Benchmarking Arith ===\n");
   printf("==== p=2^448-2^224-1 =====\n");
   printf("====== 1-way (full) ======\n");
diff --git a/bench/bench_hash.c b/bench/bench_hash.c
index 38b3818..5af9dc8 100644
--- a/bench/bench_hash.c
+++ b/bench/bench_hash.c
@@ -4,7 +4,7 @@
 
 #include "clocks.h"
 
-void bench_hash25519() {
+void bench_hash25519(void) {
   printf("=== Benchmarking Hash ====\n");
   printf("===== Hash25519 AVX2 =====\n");
 
diff --git a/bench/bench_third_party.c b/bench/bench_third_party.c
index 0f97ada..cdca522 100644
--- a/bench/bench_third_party.c
+++ b/bench/bench_third_party.c
@@ -6,7 +6,7 @@
 
 #include "clocks.h"
 
-static void bench_sha512_2w() {
+static void bench_sha512_2w(void) {
   const int BENCH = 500;
   const int NUM = 2;
   const int MSG_LEN = 64;
@@ -25,7 +25,7 @@ static void bench_sha512_2w() {
   }
 }
 
-void bench_third_party() {
+void bench_third_party(void) {
   const int BENCH = 500;
   const int message_length = 64;
   uint8_t message[message_length];
diff --git a/bench/clocks.c b/bench/clocks.c
index 78eb1fc..0a25e6b 100644
--- a/bench/clocks.c
+++ b/bench/clocks.c
@@ -2,7 +2,7 @@
 #include <sys/time.h>
 #include <time.h>
 
-uint64_t time_now() {
+uint64_t time_now(void) {
   struct timeval tv;
   uint64_t ret;
 
diff --git a/bench/clocks.h b/bench/clocks.h
index ac24731..a217990 100644
--- a/bench/clocks.h
+++ b/bench/clocks.h
@@ -79,7 +79,7 @@
            (unsigned long)((end_c - start_c) / iterations)); \
   } while (0)
 
-uint64_t time_now();
+uint64_t time_now(void);
 uint64_t cycles_now(void);
 
 /* _CLOCKS_H_ */
diff --git a/include/faz_eddsa_avx2.h b/include/faz_eddsa_avx2.h
index e015401..eb25b4e 100644
--- a/include/faz_eddsa_avx2.h
+++ b/include/faz_eddsa_avx2.h
@@ -38,7 +38,7 @@ namespace faz{
   namespace eddsa{
 #endif /* __cplusplus */
 
-#define ZeroOperandReturnKey(X) uint8_t * (*X)()
+#define ZeroOperandReturnKey(X) uint8_t * (*X)(void)
 #define Oper1Void(NAME, TYPE) void (*NAME)(TYPE C)
 #define Oper1File(NAME, TYPE) void (*NAME)(FILE* file, TYPE A)
 
diff --git a/src/eltfp25519_1w_redradix.c b/src/eltfp25519_1w_redradix.c
index c715cf1..b2e733e 100644
--- a/src/eltfp25519_1w_redradix.c
+++ b/src/eltfp25519_1w_redradix.c
@@ -816,7 +816,7 @@ DECL(void, print)(FILE *file, argElement_1w a) {
   print_hex_bytes(file, a_bytes, SIZE_FP25519);
 }
 
-DECL(argElement_1w, alloc)() {
+DECL(argElement_1w, alloc)(void) {
   return (argElement_1w) allocate_bytes((4 * ((NUM_DIGITS_FP25519 + 3) / 4)) * sizeof(uint64_t));
 }
 
diff --git a/src/eltfp25519_2w_redradix.c b/src/eltfp25519_2w_redradix.c
index 5d1c041..60f8b7b 100644
--- a/src/eltfp25519_2w_redradix.c
+++ b/src/eltfp25519_2w_redradix.c
@@ -686,7 +686,7 @@ DECL(__m256i, cmp)(argElement_2w a, argElement_2w b) {
   return SET64(0, c1, 0, c0);
 }
 
-DECL(argElement_2w, alloc)() {
+DECL(argElement_2w, alloc)(void) {
   return (argElement_2w) allocate_bytes((NUM_DIGITS_FP25519 / 2) * sizeof(__m256i));
 }
 
diff --git a/src/eltfp25519_4w_redradix.c b/src/eltfp25519_4w_redradix.c
index a65659a..cc68d79 100644
--- a/src/eltfp25519_4w_redradix.c
+++ b/src/eltfp25519_4w_redradix.c
@@ -892,7 +892,7 @@ DECL(void, srt)(argElement_4w c, argElement_4w a) {
   FN(invsqrt)(c, c, a);
 }
 
-DECL(argElement_4w,alloc)() {
+DECL(argElement_4w,alloc)(void) {
 	return (argElement_4w) allocate_bytes(NUM_DIGITS_FP25519 * sizeof(__m256i));
 }
 
diff --git a/src/eltfp448_1w_redradix.c b/src/eltfp448_1w_redradix.c
index 0f080fc..26fecfa 100644
--- a/src/eltfp448_1w_redradix.c
+++ b/src/eltfp448_1w_redradix.c
@@ -750,7 +750,7 @@ DECL(void, print)(FILE *file, argElement_1w a) {
   print_hex_bytes(file, a_bytes, SIZE_FP448);
 }
 
-DECL(argElement_1w, alloc)() {
+DECL(argElement_1w, alloc)(void) {
   return (argElement_1w) allocate_bytes( (NUM_DIGITS_FP448) * sizeof(uint64_t));
 }
 
diff --git a/src/eltfp448_2w_redradix.c b/src/eltfp448_2w_redradix.c
index 0a733a3..2aa1697 100644
--- a/src/eltfp448_2w_redradix.c
+++ b/src/eltfp448_2w_redradix.c
@@ -674,7 +674,7 @@ DECL(__m256i, cmp)(argElement_2w a, argElement_2w b) {
   return SET64(0, c1, 0, c0);
 }
 
-DECL(argElement_2w, alloc)() {
+DECL(argElement_2w, alloc)(void) {
   return (argElement_2w) allocate_bytes((NUM_DIGITS_FP448 / 2) * sizeof(__m256i));
 }
 
diff --git a/src/eltfp448_4w_redradix.c b/src/eltfp448_4w_redradix.c
index 7e36d79..67cf7f1 100644
--- a/src/eltfp448_4w_redradix.c
+++ b/src/eltfp448_4w_redradix.c
@@ -687,7 +687,7 @@ DECL(void, ser)(uint8_t *buf, argElement_4w a) {
   ser_Fp448_1w_redradix(buf+3*SIZE_FP448,a3);
 }
 
-DECL(argElement_4w,alloc)() {
+DECL(argElement_4w,alloc)(void) {
 	return (argElement_4w) allocate_bytes(NUM_DIGITS_FP448 * sizeof(__m256i));
 }
 
diff --git a/src/ladder255.c b/src/ladder255.c
index e4813d4..fc6c11a 100644
--- a/src/ladder255.c
+++ b/src/ladder255.c
@@ -23,7 +23,7 @@
 #include "edwards255.h"
 #include <string.h>
 
-static inline uint8_t *allocX25519_Key() {
+static inline uint8_t *allocX25519_Key(void) {
   return (uint8_t *) allocate_bytes(ECDH25519_KEY_SIZE_BYTES * sizeof(uint8_t));
 }
 
diff --git a/src/ladder448.c b/src/ladder448.c
index 17e9572..6b6d7a3 100644
--- a/src/ladder448.c
+++ b/src/ladder448.c
@@ -27,7 +27,7 @@
  *
  * @return
  */
-static inline uint8_t * allocX448_Key() {
+static inline uint8_t * allocX448_Key(void) {
   return (uint8_t*) allocate_bytes(ECDH448_KEY_SIZE_BYTES * sizeof(uint8_t));
 }
 
diff --git a/src/sign255.c b/src/sign255.c
index c71f3ea..b4618ca 100644
--- a/src/sign255.c
+++ b/src/sign255.c
@@ -51,7 +51,7 @@ static inline void printEd25519_Signature(FILE * file,uint8_t *sig) {
  *
  * @return
  */
-static inline uint8_t *allocEd25519_Key() {
+static inline uint8_t *allocEd25519_Key(void) {
   return (uint8_t *) allocate_bytes(ED25519_KEY_SIZE_BYTES_PARAM * sizeof(uint8_t));
 }
 
@@ -59,7 +59,7 @@ static inline uint8_t *allocEd25519_Key() {
  *
  * @return
  */
-static inline uint8_t *allocEd25519_Signature() {
+static inline uint8_t *allocEd25519_Signature(void) {
   return (uint8_t *) allocate_bytes(ED25519_SIG_SIZE_BYTES_PARAM * sizeof(uint8_t));
 }
 
diff --git a/src/sign448.c b/src/sign448.c
index 4a4a1ad..997e7c8 100644
--- a/src/sign448.c
+++ b/src/sign448.c
@@ -51,7 +51,7 @@ static inline void printEd448_Signature(FILE *file, uint8_t *sig) {
  *
  * @return
  */
-static inline uint8_t *allocEd448_Key() {
+static inline uint8_t *allocEd448_Key(void) {
   return (uint8_t *) allocate_bytes(ED448_KEY_SIZE_BYTES_PARAM * sizeof(uint8_t));
 }
 
@@ -59,7 +59,7 @@ static inline uint8_t *allocEd448_Key() {
  *
  * @return
  */
-static inline uint8_t *allocEd448_Signature() {
+static inline uint8_t *allocEd448_Signature(void) {
   return (uint8_t *) allocate_bytes(ED448_SIG_SIZE_BYTES_PARAM * sizeof(uint8_t));
 }
 
diff --git a/third_party/cpu_caps.c b/third_party/cpu_caps.c
index f23bfe7..2bca091 100644
--- a/third_party/cpu_caps.c
+++ b/third_party/cpu_caps.c
@@ -62,7 +62,7 @@ int cpu_has(enum Capabilities c) {
   return ret;
 }
 
-void machine_info() {
+void machine_info(void) {
   printf("=== Environment Information ====\n");
   printf("Program compiled with: %s\n", __VERSION__);
   unsigned int eax, ebx, ecx, edx;
diff --git a/third_party/cpu_caps.h b/third_party/cpu_caps.h
index 66690a6..6a1fea2 100644
--- a/third_party/cpu_caps.h
+++ b/third_party/cpu_caps.h
@@ -5,7 +5,7 @@
 extern "C" {
 #endif /* __cplusplus */
 
-void machine_info();
+void machine_info(void);
 
 #ifdef __cplusplus
 } /* extern C */