diff --git a/src/gnutls_auth.cpp b/src/gnutls_auth.cpp
index 0a1d16c..dcbea72 100644
--- a/src/gnutls_auth.cpp
+++ b/src/gnutls_auth.cpp
@@ -370,9 +370,8 @@ unsigned char* s3fs_sha256hexsum(int fd, off_t start, ssize_t size)
 
 bool s3fs_sha256(const unsigned char* data, unsigned int datalen, unsigned char** digest, unsigned int* digestlen)
 {
-  (*digestlen) = static_cast<unsigned int>(get_sha256_digest_length());
-                                                                                    // cppcheck-suppress constArgument
-  if(NULL == ((*digest) = reinterpret_cast<unsigned char*>(malloc(*digestlen)))){
+  size_t len = (*digestlen) = static_cast<unsigned int>(get_sha256_digest_length());
+  if(NULL == ((*digest) = reinterpret_cast<unsigned char*>(malloc(len)))){
     return false;
   }
 
diff --git a/src/s3fs_util.cpp b/src/s3fs_util.cpp
index b8692f5..13d6ea4 100644
--- a/src/s3fs_util.cpp
+++ b/src/s3fs_util.cpp
@@ -150,12 +150,10 @@ bool S3ObjList::insert_normalized(const char* name, const char* normalized, bool
   s3obj_t::iterator iter;
   if(objects.end() != (iter = objects.find(name))){
     // found name --> over write
-    (*iter).second.orgname.erase();
-    (*iter).second.etag.erase();
-                                                // cppcheck-suppress unreadVariable
-    (*iter).second.normalname = normalized;
-                                                // cppcheck-suppress unreadVariable
-    (*iter).second.is_dir     = is_dir;
+    iter->second.orgname.erase();
+    iter->second.etag.erase();
+    iter->second.normalname = normalized;
+    iter->second.is_dir     = is_dir;
   }else{
     // not found --> add new object
     s3obj_entry newobject;