diff --git a/README b/README
index 003b94a..d5d63e1 100644
--- a/README
+++ b/README
@@ -27,7 +27,7 @@ URL:
    https://github.com/OpenAMP/libmetal
 
 commit:
-   695d29ba60a5c4946bb16d2378955fa8bad8bead
+   2371f615bb0f7968e7bd2483301a9ab9d957bec9
 
 Maintained-by:
    External
diff --git a/libmetal/VERSION b/libmetal/VERSION
index 61df8f4..f9c6dae 100644
--- a/libmetal/VERSION
+++ b/libmetal/VERSION
@@ -1,3 +1,3 @@
 VERSION_MAJOR = 1
-VERSION_MINOR = 1
+VERSION_MINOR = 2
 VERSION_PATCH = 0
diff --git a/libmetal/lib/system/freertos/sleep.h b/libmetal/lib/system/freertos/sleep.h
index 60a58a1..2ad9994 100644
--- a/libmetal/lib/system/freertos/sleep.h
+++ b/libmetal/lib/system/freertos/sleep.h
@@ -31,8 +31,6 @@ static inline int __metal_sleep_usec(unsigned int usec)
 	return 0;
 }
 
-/** @} */
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/libmetal/lib/system/generic/sleep.h b/libmetal/lib/system/generic/sleep.h
index aa86df4..63d5308 100644
--- a/libmetal/lib/system/generic/sleep.h
+++ b/libmetal/lib/system/generic/sleep.h
@@ -29,8 +29,6 @@ static inline int __metal_sleep_usec(unsigned int usec)
 	return 0;
 }
 
-/** @} */
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/libmetal/lib/system/linux/sleep.h b/libmetal/lib/system/linux/sleep.h
index d5cbe33..414576b 100644
--- a/libmetal/lib/system/linux/sleep.h
+++ b/libmetal/lib/system/linux/sleep.h
@@ -27,8 +27,6 @@ static inline int __metal_sleep_usec(unsigned int usec)
 	return usleep(usec);
 }
 
-/** @} */
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/libmetal/lib/system/nuttx/sleep.h b/libmetal/lib/system/nuttx/sleep.h
index b15f3b6..c875ab6 100644
--- a/libmetal/lib/system/nuttx/sleep.h
+++ b/libmetal/lib/system/nuttx/sleep.h
@@ -27,8 +27,6 @@ static inline int __metal_sleep_usec(unsigned int usec)
 	return nxsig_usleep(usec);
 }
 
-/** @} */
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/libmetal/lib/system/zephyr/sleep.h b/libmetal/lib/system/zephyr/sleep.h
index 4333990..ac269dc 100644
--- a/libmetal/lib/system/zephyr/sleep.h
+++ b/libmetal/lib/system/zephyr/sleep.h
@@ -28,8 +28,6 @@ static inline int __metal_sleep_usec(unsigned int usec)
 	return 0;
 }
 
-/** @} */
-
 #ifdef __cplusplus
 }
 #endif