diff --git a/subnetting.c b/subnetting.c
index ce0aa03..de85549 100644
--- a/subnetting.c
+++ b/subnetting.c
@@ -4,8 +4,6 @@
 #include <stdbool.h>
 #include "subnetting.h"
 
-enum NetworkClass {CLASS_A, CLASS_B, CLASS_C};
-
 // This section of code consitutes a more Java-like version of finding a preix
 // A C programmer is more likely to simply do the binary math.
 const unsigned int prefix_map[9] = {0, 128, 192, 224, 240, 248, 252, 254, 255};
@@ -17,21 +15,6 @@ unsigned int* subnet_to_octet_array(unsigned int octets[4], char subnet_mask[16]
 	return octets;
 }
 
-int mask_to_prefix(char mask[16]){
-	unsigned int octet[4];
-	int pref = 0;
-	subnet_to_octet_array(octet, mask);
-	for (int i = 0; i < 4; ++i){
-		for (int j = 0; j < 9; ++j){
-			if (octet[i] == prefix_map[j]){
-				pref += j;
-				break;
-			}
-		}
-	}
-	return pref;
-}
-
 char* prefix_to_mask(char subnet_mask[16], unsigned int prefix){
 	unsigned int octets[5];
 	for (int i = 0; i < 5; ++i){
@@ -73,25 +56,6 @@ int prefix_for_hosts(int hosts_required){
 	return -1;
 }
 
-char* octet_array_to_string(char subnet_mask[16], char octets[4]){
-	sprintf(subnet_mask, "%d.%d.%d.%d", octets[0], octets[1], octets[2], octets[3]);
-	return subnet_mask;
-}
-
-int network_type_based_on_subnet(int subnet_arr[4]){
-	if (subnet_arr[0] != 255){
-		return -1;
-	} else if (subnet_arr[1] != 255){
-		return CLASS_A;
-	} else if (subnet_arr[2] != 255){
-		return CLASS_B;
-	} else if (subnet_arr[3] != 255){
-		return CLASS_C;
-	} else {
-		return -1;
-	}
-}
-
 char network_class(int subnet_arr[4]){
 	if (subnet_arr[0] != 255){
 		return '?';
@@ -147,15 +111,3 @@ char* usable_host_addresses(char result[33], char ip[16], char subnet[16]){
 	sprintf(result, "%s-%s", slow_addrs, shigh_addrs);
 	return result;
 }
-
-int get_ui_class(unsigned int ip){
-	unsigned int fo = ip >> 24;
-	if (fo >= 1 && fo <= 126){
-		return CLASS_A;
-	} else if (fo >= 128 && fo <= 191){
-		return CLASS_B;
-	} else if (fo >= 192 && fo <= 223){
-		return CLASS_C;
-	}
-	return -1;
-}
diff --git a/subnetting.h b/subnetting.h
index b525b49..d249b75 100644
--- a/subnetting.h
+++ b/subnetting.h
@@ -1,12 +1,10 @@
 #ifndef SUBNETTING_H
 #define SUBNETTING_H
-int mask_to_prefix(char mask[16]);
 char* prefix_to_mask(char subnet_mask[16], unsigned int prefix);
 int hosts_for_prefix(int prefix);
 int subnets_for_prefix(int prefix);
 void ui_to_octets(char addr[16], unsigned int subnet_mask);
 int prefix_for_hosts(int hosts_required);
-char* octet_array_to_string(char subnet_mask[16], char octets[4]);
 int network_type_based_on_subnet(int subnet_arr[4]);
 char network_class(int subnet_arr[4]);
 char* network_address(char result[16], char ip[16], char subnet[16]);
@@ -15,6 +13,4 @@ char* usable_host_addresses(char result[33], char ip[16], char subnet[16]);
 int get_ui_class(unsigned int ip);
 unsigned int* subnet_to_octet_array(unsigned int octets[4], char subnet_mask[16]);
 unsigned int octets_to_ui(char octets[16]);
-unsigned int bdr_addr(unsigned int ip, unsigned int subnet);
-unsigned int net_addr(unsigned int ip, unsigned int subnet);
 #endif