diff --git a/src/os/portable/os-impl-posix-dl.c b/src/os/portable/os-impl-posix-dl.c
index 23aba192a..c03b0fe8a 100644
--- a/src/os/portable/os-impl-posix-dl.c
+++ b/src/os/portable/os-impl-posix-dl.c
@@ -51,6 +51,7 @@
  */
 typedef struct
 {
+    /* cppcheck-suppress unusedStructMember */
     void *dl_handle;
 } OS_impl_module_internal_record_t;
 
diff --git a/src/os/posix/os-posix.h b/src/os/posix/os-posix.h
index 0fbeed7a2..2321621ca 100644
--- a/src/os/posix/os-posix.h
+++ b/src/os/posix/os-posix.h
@@ -107,7 +107,7 @@ int32 OS_Posix_StreamAPI_Impl_Init(void);
 int32 OS_Posix_DirAPI_Impl_Init(void);
 int32 OS_Posix_FileSysAPI_Impl_Init(void);
 
-int32 OS_Posix_InternalTaskCreate_Impl (pthread_t *thr, uint32 priority, size_t stacksz, PthreadFuncPtr_t Entry, void *entry_arg);
+int32 OS_Posix_InternalTaskCreate_Impl (pthread_t *pthr, uint32 priority, size_t stacksz, PthreadFuncPtr_t entry, void *entry_arg);
 
 
 
diff --git a/src/os/posix/osapi.c b/src/os/posix/osapi.c
index c41cda190..a6faafb9a 100644
--- a/src/os/posix/osapi.c
+++ b/src/os/posix/osapi.c
@@ -160,7 +160,7 @@ const OS_ErrorTable_Entry_t OS_IMPL_ERROR_NAME_TABLE[] = { { 0, NULL } };
 /*
  * Local Function Prototypes
  */
-static void  OS_CompAbsDelayTime( uint32 milli_second , struct timespec * tm);
+static void  OS_CompAbsDelayTime( uint32 msecs , struct timespec * tm);
 static int   OS_PriorityRemap(uint32 InputPri);
 
 
diff --git a/src/os/rtems/osloader.c b/src/os/rtems/osloader.c
index 887a8c12d..98a514b62 100644
--- a/src/os/rtems/osloader.c
+++ b/src/os/rtems/osloader.c
@@ -40,6 +40,7 @@
  */
 typedef struct
 {
+    /* cppcheck-suppress unusedStructMember */
     void *dl_handle;
 } OS_impl_module_internal_record_t;