diff --git a/libnetutil/IPv4Header.h b/libnetutil/IPv4Header.h
index 6adc474dc..83a91e0fd 100644
--- a/libnetutil/IPv4Header.h
+++ b/libnetutil/IPv4Header.h
@@ -249,7 +249,6 @@ class IPv4Header : public NetworkLayerElement {
         u8 getNextProto() const;
         int setNextHeader(u8 val);
         u8 getNextHeader() const;
-        virtual u8 getNextHeader(){return 0;}
 
         /* Checksum */
         int setSum();
@@ -262,18 +261,16 @@ class IPv4Header : public NetworkLayerElement {
         int setDestinationAddress(struct in_addr d);
         const u8 *getDestinationAddress() const;
         struct in_addr getDestinationAddress(struct in_addr *result) const;
-        virtual u8 *getDestinationAddress(){return NULL;}
+
 
         /* Source IP */
         int setSourceAddress(u32 d);
         int setSourceAddress(struct in_addr d);
         const u8 *getSourceAddress() const;
         struct in_addr getSourceAddress(struct in_addr *result) const;
-        virtual u8 *getSourceAddress(){return NULL;}
 
         u16 getAddressLength() const;
-        virtual u16 getAddressLength(){return 0;}
-        
+
         /* IP Options */
         int setOpts(const char *txt);
         int setOpts(u8 *opts_buff,  u32 opts_len);
diff --git a/libnetutil/IPv6Header.h b/libnetutil/IPv6Header.h
index b86a3f33c..7ab47ebcc 100644
--- a/libnetutil/IPv6Header.h
+++ b/libnetutil/IPv6Header.h
@@ -213,8 +213,7 @@ class IPv6Header : public NetworkLayerElement {
         int setNextHeader(u8 val);
         int setNextHeader(const char *p);
         u8 getNextHeader() const;
-        virtual u8 getNextHeader(){return 0;}
-
+        
         /* Hop Limit */
         int setHopLimit(u8 val);
         u8 getHopLimit() const;
@@ -224,17 +223,14 @@ class IPv6Header : public NetworkLayerElement {
         int setSourceAddress(struct in6_addr val);
         const u8 *getSourceAddress() const;
         struct in6_addr getSourceAddress(struct in6_addr *result) const;
-        virtual u8 *getSourceAddress(){return NULL;}
-
+        
         /* Destination Address*/
         int setDestinationAddress(u8 *val);
         int setDestinationAddress(struct in6_addr val);
         const u8 *getDestinationAddress() const;
         struct in6_addr getDestinationAddress(struct in6_addr *result) const;
-        virtual u8 *getDestinationAddress(){return NULL;}
 
         u16 getAddressLength() const;
-        virtual u16 getAddressLength(){return 0;}
 };
 
 #endif