1 files changed, 2 insertions, 2 deletions
diff --git a/thirdparty/icu4c/common/unicode/bytestriebuilder.h b/thirdparty/icu4c/common/unicode/bytestriebuilder.h
index 382f5e0095..ec9c625473 100644
--- a/thirdparty/icu4c/common/unicode/bytestriebuilder.h
+++ b/thirdparty/icu4c/common/unicode/bytestriebuilder.h
@@ -129,8 +129,8 @@ public:
 private:
     friend class ::BytesTrieTest;
 
-    BytesTrieBuilder(const BytesTrieBuilder &other);  // no copy constructor
-    BytesTrieBuilder &operator=(const BytesTrieBuilder &other);  // no assignment operator
+    BytesTrieBuilder(const BytesTrieBuilder &other) = delete;  // no copy constructor
+    BytesTrieBuilder &operator=(const BytesTrieBuilder &other) = delete;  // no assignment operator
 
     void buildBytes(UStringTrieBuildOption buildOption, UErrorCode &errorCode);