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diff --git a/deps/node/deps/icu-small/source/common/unistrappender.h b/deps/node/deps/icu-small/source/common/unistrappender.h
deleted file mode 100644
index 134f3149..00000000
--- a/deps/node/deps/icu-small/source/common/unistrappender.h
+++ /dev/null
@@ -1,90 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-******************************************************************************
-* Copyright (C) 2015, International Business Machines Corporation and
-* others. All Rights Reserved.
-******************************************************************************
-*
-* File unistrappender.h
-******************************************************************************
-*/
-
-#ifndef __UNISTRAPPENDER_H__
-#define __UNISTRAPPENDER_H__
-
-#include "unicode/unistr.h"
-#include "unicode/uobject.h"
-#include "unicode/utf16.h"
-#include "unicode/utypes.h"
-#include "cmemory.h"
-
-U_NAMESPACE_BEGIN
-
-/**
- * An optimization for the slowness of calling UnicodeString::append()
- * one character at a time in a loop. It stores appends in a buffer while
- * never actually calling append on the unicode string unless the buffer
- * fills up or is flushed.
- *
- * proper usage:
- * {
- * UnicodeStringAppender appender(astring);
- * for (int32_t i = 0; i < 100; ++i) {
- * appender.append((UChar) i);
- * }
- * // appender flushed automatically when it goes out of scope.
- * }
- */
-class UnicodeStringAppender : public UMemory {
-public:
-
- /**
- * dest is the UnicodeString being appended to. It must always
- * exist while this instance exists.
- */
- UnicodeStringAppender(UnicodeString &dest) : fDest(&dest), fIdx(0) { }
-
- inline void append(UChar x) {
- if (fIdx == UPRV_LENGTHOF(fBuffer)) {
- fDest->append(fBuffer, 0, fIdx);
- fIdx = 0;
- }
- fBuffer[fIdx++] = x;
- }
-
- inline void append(UChar32 x) {
- if (fIdx >= UPRV_LENGTHOF(fBuffer) - 1) {
- fDest->append(fBuffer, 0, fIdx);
- fIdx = 0;
- }
- U16_APPEND_UNSAFE(fBuffer, fIdx, x);
- }
-
- /**
- * Ensures that all appended characters have been written out to dest.
- */
- inline void flush() {
- if (fIdx) {
- fDest->append(fBuffer, 0, fIdx);
- }
- fIdx = 0;
- }
-
- /**
- * flush the buffer when we go out of scope.
- */
- ~UnicodeStringAppender() {
- flush();
- }
-private:
- UnicodeString *fDest;
- int32_t fIdx;
- UChar fBuffer[32];
- UnicodeStringAppender(const UnicodeStringAppender &other);
- UnicodeStringAppender &operator=(const UnicodeStringAppender &other);
-};
-
-U_NAMESPACE_END
-
-#endif