1 files changed, 2 insertions, 2 deletions
diff --git a/Source/CTest/cmCTestCurl.cxx b/Source/CTest/cmCTestCurl.cxx
index b335e32679..6910f6ff72 100644
--- a/Source/CTest/cmCTestCurl.cxx
+++ b/Source/CTest/cmCTestCurl.cxx
@@ -54,8 +54,8 @@ static size_t curlWriteMemoryCallback(void* ptr, size_t size, size_t nmemb,
   return realsize;
 }
 
-static size_t curlDebugCallback(CURL*, curl_infotype, char* chPtr, size_t size,
-                                void* data)
+static size_t curlDebugCallback(CURL* /*unused*/, curl_infotype /*unused*/,
+                                char* chPtr, size_t size, void* data)
 {
   std::vector<char>* vec = static_cast<std::vector<char>*>(data);
   vec->insert(vec->end(), chPtr, chPtr + size);