diff --git a/include/villas/utils.h b/include/villas/utils.h
index 82b7cabb7..87f2a6c69 100644
--- a/include/villas/utils.h
+++ b/include/villas/utils.h
@@ -197,12 +197,6 @@ int version_parse(const char *s, struct version *v);
 /** Fill buffer with random data */
 int read_random(char *buf, size_t len);
 
-/** Hexdump bytes */
-void printb(void *mem, size_t len);
-
-/** Hexdump 32-bit dwords */
-void printdw(void *mem, size_t len);
-
 /** Get CPU timestep counter */
 __attribute__((always_inline)) static inline uint64_t rdtsc()
 {
diff --git a/lib/utils.c b/lib/utils.c
index eff72a954..2c7fb04fd 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -329,43 +329,6 @@ out:
 	return -1;
 }
 
-void printb(void *mem, size_t len)
-{
-	uint8_t *mem8 = (uint8_t *) mem;
-
-	for (int i = 0; i < len; i++) {
-		printf("%02hx ", mem8[i]);
-
-		if (i % 16 == 15)
-			printf("\n");
-	}
-}
-
-void printdw(void *mem, size_t len)
-{
-	int columns = 4;
-
-	uint32_t *mem32 = (uint32_t *) mem;
-
-	for (int i = 0; i < len; i++) {
-		if (i % columns == 0)
-			printf("%#x: ", i * 4);
-
-		printf("%08x ", mem32[i]);
-		
-		char *memc = (char *) &mem32[i];
-		printf("%c%c%c%c ",
-			isprint(memc[0]) ? memc[0] : ' ',
-			isprint(memc[1]) ? memc[1] : ' ',
-			isprint(memc[2]) ? memc[2] : ' ',
-			isprint(memc[3]) ? memc[3] : ' '
-		);
-
-		if ((i+1) % columns == 0)
-			printf("\n");
-	}
-}
-
 void rdtsc_sleep(uint64_t nanosecs, uint64_t start)
 {
 	uint64_t cycles;