diff --git a/Makefile.dep b/Makefile.dep
index b265929a77..369556ff5d 100644
--- a/Makefile.dep
+++ b/Makefile.dep
@@ -99,12 +99,12 @@ ifneq (,$(filter ng_icmpv6_echo,$(USEMODULE)))
 endif
 
 ifneq (,$(filter ng_icmpv6,$(USEMODULE)))
-  USEMODULE += ng_inet_csum
+  USEMODULE += inet_csum
   USEMODULE += ng_ipv6
 endif
 
 ifneq (,$(filter ng_ipv6_hdr,$(USEMODULE)))
-  USEMODULE += ng_inet_csum
+  USEMODULE += inet_csum
   USEMODULE += ng_pktbuf
 endif
 
@@ -125,7 +125,7 @@ ifneq (,$(filter ng_ipv6_router,$(USEMODULE)))
 endif
 
 ifneq (,$(filter ng_ipv6,$(USEMODULE)))
-  USEMODULE += ng_inet_csum
+  USEMODULE += inet_csum
   USEMODULE += ng_ipv6_addr
   USEMODULE += ng_ipv6_hdr
   USEMODULE += ng_ipv6_nc
@@ -144,7 +144,7 @@ endif
 
 ifneq (,$(filter ng_udp,$(USEMODULE)))
   USEMODULE += ng_netbase
-  USEMODULE += ng_inet_csum
+  USEMODULE += inet_csum
 endif
 
 ifneq (,$(filter ng_nettest,$(USEMODULE)))
diff --git a/sys/Makefile b/sys/Makefile
index e1313c6032..2e616b9f49 100644
--- a/sys/Makefile
+++ b/sys/Makefile
@@ -43,8 +43,8 @@ endif
 ifneq (,$(filter ng_ipv6_netif,$(USEMODULE)))
     DIRS += net/network_layer/ng_ipv6/netif
 endif
-ifneq (,$(filter ng_inet_csum,$(USEMODULE)))
-    DIRS += net/crosslayer/ng_inet_csum
+ifneq (,$(filter inet_csum,$(USEMODULE)))
+    DIRS += net/crosslayer/inet_csum
 endif
 ifneq (,$(filter ng_ndp,$(USEMODULE)))
     DIRS += net/network_layer/ng_ndp
diff --git a/sys/include/net/ng_inet_csum.h b/sys/include/net/inet_csum.h
similarity index 84%
rename from sys/include/net/ng_inet_csum.h
rename to sys/include/net/inet_csum.h
index 97550baa94..53134053f6 100644
--- a/sys/include/net/ng_inet_csum.h
+++ b/sys/include/net/inet_csum.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup    net_ng_inet_csum    Internet Checksum
+ * @defgroup    net_inet_csum    Internet Checksum
  * @ingroup     net
  * @brief   Provides a function to calculate the Internet Checksum
  * @{
@@ -17,8 +17,8 @@
  *
  * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
  */
-#ifndef NG_INET_CSUM_H_
-#define NG_INET_CSUM_H_
+#ifndef INET_CSUM_H_
+#define INET_CSUM_H_
 
 #include <inttypes.h>
 
@@ -42,11 +42,11 @@ extern "C" {
  *
  * @return  The unnormalized Internet Checksum of @p buf.
  */
-uint16_t ng_inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len);
+uint16_t inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* NG_INET_CSUM_H_ */
+#endif /* INET_CSUM_H_ */
 /** @} */
diff --git a/sys/include/net/ng_ipv6/hdr.h b/sys/include/net/ng_ipv6/hdr.h
index cb7c842885..90e6b58c1e 100644
--- a/sys/include/net/ng_ipv6/hdr.h
+++ b/sys/include/net/ng_ipv6/hdr.h
@@ -24,7 +24,7 @@
 
 #include "byteorder.h"
 #include "net/ng_ipv6/addr.h"
-#include "net/ng_inet_csum.h"
+#include "net/inet_csum.h"
 #include "net/ng_pkt.h"
 
 #ifdef __cplusplus
@@ -294,8 +294,8 @@ static inline uint16_t ng_ipv6_hdr_inet_csum(uint16_t sum, ng_ipv6_hdr_t *hdr,
         sum++;
     }
 
-    return ng_inet_csum(sum + len + prot_num, hdr->src.u8,
-                        (2 * sizeof(ng_ipv6_addr_t)));
+    return inet_csum(sum + len + prot_num, hdr->src.u8,
+                     (2 * sizeof(ng_ipv6_addr_t)));
 }
 
 /**
diff --git a/sys/net/crosslayer/ng_inet_csum/Makefile b/sys/net/crosslayer/inet_csum/Makefile
similarity index 100%
rename from sys/net/crosslayer/ng_inet_csum/Makefile
rename to sys/net/crosslayer/inet_csum/Makefile
diff --git a/sys/net/crosslayer/ng_inet_csum/ng_inet_csum.c b/sys/net/crosslayer/inet_csum/inet_csum.c
similarity index 92%
rename from sys/net/crosslayer/ng_inet_csum/ng_inet_csum.c
rename to sys/net/crosslayer/inet_csum/inet_csum.c
index f38935bbf6..c53c025d60 100644
--- a/sys/net/crosslayer/ng_inet_csum/ng_inet_csum.c
+++ b/sys/net/crosslayer/inet_csum/inet_csum.c
@@ -15,12 +15,12 @@
 #include <inttypes.h>
 #include <stdio.h>
 #include "od.h"
-#include "net/ng_inet_csum.h"
+#include "net/inet_csum.h"
 
 #define ENABLE_DEBUG    (0)
 #include "debug.h"
 
-uint16_t ng_inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len)
+uint16_t inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len)
 {
     uint32_t csum = sum;
 
diff --git a/sys/net/network_layer/ng_icmpv6/ng_icmpv6.c b/sys/net/network_layer/ng_icmpv6/ng_icmpv6.c
index 3b1a97e01e..11913f598a 100644
--- a/sys/net/network_layer/ng_icmpv6/ng_icmpv6.c
+++ b/sys/net/network_layer/ng_icmpv6/ng_icmpv6.c
@@ -42,12 +42,12 @@ static inline uint16_t _calc_csum(ng_pktsnip_t *hdr,
     uint16_t len = (uint16_t)hdr->size;
 
     while (payload && (payload != hdr)) {
-        csum = ng_inet_csum(csum, payload->data, payload->size);
+        csum = inet_csum(csum, payload->data, payload->size);
         len += (uint16_t)payload->size;
         payload = payload->next;
     }
 
-    csum = ng_inet_csum(csum, hdr->data, hdr->size);
+    csum = inet_csum(csum, hdr->data, hdr->size);
     csum = ng_ipv6_hdr_inet_csum(csum, pseudo_hdr->data, PROTNUM_ICMPV6,
                                  len);
 
diff --git a/sys/net/transport_layer/ng_udp/ng_udp.c b/sys/net/transport_layer/ng_udp/ng_udp.c
index 4e24076a3c..f43f68e29e 100644
--- a/sys/net/transport_layer/ng_udp/ng_udp.c
+++ b/sys/net/transport_layer/ng_udp/ng_udp.c
@@ -27,7 +27,7 @@
 #include "utlist.h"
 #include "net/ng_udp.h"
 #include "net/ng_netbase.h"
-#include "net/ng_inet_csum.h"
+#include "net/inet_csum.h"
 
 #ifdef MODULE_NG_IPV6
 #include "net/ng_ipv6/hdr.h"
@@ -71,12 +71,12 @@ static uint16_t _calc_csum(ng_pktsnip_t *hdr, ng_pktsnip_t *pseudo_hdr,
 
     /* process the payload */
     while (payload && payload != hdr) {
-        csum = ng_inet_csum(csum, (uint8_t *)(payload->data), payload->size);
+        csum = inet_csum(csum, (uint8_t *)(payload->data), payload->size);
         len += (uint16_t)payload->size;
         payload = payload->next;
     }
     /* process applicable UDP header bytes */
-    csum = ng_inet_csum(csum, (uint8_t *)hdr->data, sizeof(ng_udp_hdr_t));
+    csum = inet_csum(csum, (uint8_t *)hdr->data, sizeof(ng_udp_hdr_t));
 
     switch (pseudo_hdr->type) {
 #ifdef MODULE_NG_IPV6
diff --git a/tests/unittests/tests-inet_csum/Makefile.include b/tests/unittests/tests-inet_csum/Makefile.include
index a75cf2bcc2..5d3c05cf3a 100644
--- a/tests/unittests/tests-inet_csum/Makefile.include
+++ b/tests/unittests/tests-inet_csum/Makefile.include
@@ -1 +1 @@
-USEMODULE += ng_inet_csum
+USEMODULE += inet_csum
diff --git a/tests/unittests/tests-inet_csum/tests-inet_csum.c b/tests/unittests/tests-inet_csum/tests-inet_csum.c
index 589d18f32e..1af7299ca0 100644
--- a/tests/unittests/tests-inet_csum/tests-inet_csum.c
+++ b/tests/unittests/tests-inet_csum/tests-inet_csum.c
@@ -16,7 +16,7 @@
 
 #include "embUnit.h"
 
-#include "net/ng_inet_csum.h"
+#include "net/inet_csum.h"
 
 #include "unittests-constants.h"
 #include "tests-inet_csum.h"
@@ -28,7 +28,7 @@ static void test_inet_csum__rfc_example(void)
         0x00, 0x01, 0xf2, 0x03, 0xf4, 0xf5, 0xf6, 0xf7
     };
 
-    TEST_ASSERT_EQUAL_INT(0xddf2, ng_inet_csum(0, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0xddf2, inet_csum(0, data, sizeof(data)));
 }
 
 static void test_inet_csum__ipv6_pseudo_hdr(void)
@@ -50,7 +50,7 @@ static void test_inet_csum__ipv6_pseudo_hdr(void)
     };
 
     /* result unnormalized: take 1's-complement of 0 */
-    TEST_ASSERT_EQUAL_INT(0xffff, ng_inet_csum(0x0, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0xffff, inet_csum(0x0, data, sizeof(data)));
 }
 
 static void test_inet_csum__set_initial_sum(void)
@@ -72,7 +72,7 @@ static void test_inet_csum__set_initial_sum(void)
 
     /* result unnormalized: take 1's-complement of 0
      * set next header and payload length as initial value */
-    TEST_ASSERT_EQUAL_INT(0xffff, ng_inet_csum(0x38 + 0x3a, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0xffff, inet_csum(0x38 + 0x3a, data, sizeof(data)));
 }
 
 static void test_inet_csum__wraps_more_than_once(void)
@@ -87,7 +87,7 @@ static void test_inet_csum__wraps_more_than_once(void)
     };
 
     /* values were taken from a case I encountered in the wild */
-    TEST_ASSERT_EQUAL_INT(0x0002, ng_inet_csum(0x1785, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0x0002, inet_csum(0x1785, data, sizeof(data)));
 }
 
 static void test_inet_csum__calculate_csum(void)
@@ -101,7 +101,7 @@ static void test_inet_csum__calculate_csum(void)
     };
 
     /* result unnormalized: take 1's-complement of 0xb861 */
-    TEST_ASSERT_EQUAL_INT(0x479e, ng_inet_csum(0, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0x479e, inet_csum(0, data, sizeof(data)));
 }
 
 static void test_inet_csum__odd_len(void)
@@ -118,7 +118,7 @@ static void test_inet_csum__odd_len(void)
 
     /* result unnormalized: take 1's-complement of 0
      * set next header and payload length as initial value */
-    TEST_ASSERT_EQUAL_INT(0xffff, ng_inet_csum(17 + 39, data, sizeof(data)));
+    TEST_ASSERT_EQUAL_INT(0xffff, inet_csum(17 + 39, data, sizeof(data)));
 }
 
 Test *tests_inet_csum_tests(void)
diff --git a/tests/unittests/tests-ipv6_hdr/tests-ipv6_hdr.c b/tests/unittests/tests-ipv6_hdr/tests-ipv6_hdr.c
index 5e1f73e485..30f6607a2e 100644
--- a/tests/unittests/tests-ipv6_hdr/tests-ipv6_hdr.c
+++ b/tests/unittests/tests-ipv6_hdr/tests-ipv6_hdr.c
@@ -20,7 +20,7 @@
 #include "net/ng_ipv6/hdr.h"
 #include "net/ng_pktbuf.h"
 #include "net/protnum.h"
-#include "net/ng_inet_csum.h"
+#include "net/inet_csum.h"
 
 #include "unittests-constants.h"
 #include "tests-ipv6_hdr.h"
@@ -293,7 +293,7 @@ static void test_ipv6_hdr_inet_csum__initial_sum_0(void)
     res = ng_ipv6_hdr_inet_csum(0, (ng_ipv6_hdr_t *)&val, PROTNUM_ICMPV6,
                                 payload_len);
     /* calculate checksum of payload */
-    res = ng_inet_csum(res, val + sizeof(ng_ipv6_hdr_t), payload_len);
+    res = inet_csum(res, val + sizeof(ng_ipv6_hdr_t), payload_len);
     res = ~res;     /* take 1's-complement for correct checksum */
 
     TEST_ASSERT_EQUAL_INT(0xab32, res);