diff --git a/include/lwipopts.h b/include/lwipopts.h
index d4981e1..06cbaff 100644
--- a/include/lwipopts.h
+++ b/include/lwipopts.h
@@ -1,11 +1,9 @@
-#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
-#define _LWIPOPTS_EXAMPLE_COMMONH_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
 
-
 // Critical section protection
 extern void noInterrupts();
 extern void interrupts();
@@ -108,6 +106,3 @@ extern void __setSystemTime(unsigned long long sec, unsigned long us);
 #ifdef __cplusplus
 }
 #endif // __cplusplus
-
-
-#endif /* __LWIPOPTS_H__ */
diff --git a/lib/libpico.a b/lib/libpico.a
index 60a145f..f86e05f 100644
Binary files a/lib/libpico.a and b/lib/libpico.a differ
diff --git a/lib/libpicow-ipv6-btc-ble.a b/lib/libpicow-ipv6-btc-ble.a
index 892cd68..dd09b61 100644
Binary files a/lib/libpicow-ipv6-btc-ble.a and b/lib/libpicow-ipv6-btc-ble.a differ
diff --git a/lib/libpicow-ipv6-nobtc-noble.a b/lib/libpicow-ipv6-nobtc-noble.a
index 42a064f..e9a306d 100644
Binary files a/lib/libpicow-ipv6-nobtc-noble.a and b/lib/libpicow-ipv6-nobtc-noble.a differ
diff --git a/lib/libpicow-noipv6-btc-ble.a b/lib/libpicow-noipv6-btc-ble.a
index 93b3f3d..01cc4e2 100644
Binary files a/lib/libpicow-noipv6-btc-ble.a and b/lib/libpicow-noipv6-btc-ble.a differ
diff --git a/lib/libpicow-noipv6-nobtc-noble.a b/lib/libpicow-noipv6-nobtc-noble.a
index 3d6e667..e19acf5 100644
Binary files a/lib/libpicow-noipv6-nobtc-noble.a and b/lib/libpicow-noipv6-nobtc-noble.a differ
diff --git a/tools/libpico/lwipopts.h b/tools/libpico/lwipopts.h
index d4981e1..06cbaff 100644
--- a/tools/libpico/lwipopts.h
+++ b/tools/libpico/lwipopts.h
@@ -1,11 +1,9 @@
-#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
-#define _LWIPOPTS_EXAMPLE_COMMONH_H
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
 
-
 // Critical section protection
 extern void noInterrupts();
 extern void interrupts();
@@ -108,6 +106,3 @@ extern void __setSystemTime(unsigned long long sec, unsigned long us);
 #ifdef __cplusplus
 }
 #endif // __cplusplus
-
-
-#endif /* __LWIPOPTS_H__ */