diff --git a/rhbz1646703-icu4c-ICU-20246-integer-overflow.patch b/rhbz1646703-icu4c-ICU-20246-integer-overflow.patch
deleted file mode 100644
index 64cd40f..0000000
--- a/rhbz1646703-icu4c-ICU-20246-integer-overflow.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From 6cbd62e59e30f73b444be89ea71fd74275ac53a4 Mon Sep 17 00:00:00 2001
-From: Shane Carr <shane@unicode.org>
-Date: Mon, 29 Oct 2018 23:52:44 -0700
-Subject: [PATCH] ICU-20246 Fixing another integer overflow in number parsing.
-
-(cherry picked from commit 53d8c8f3d181d87a6aa925b449b51c4a2c922a51)
----
- icu4c/source/i18n/fmtable.cpp                          |  2 +-
- icu4c/source/i18n/number_decimalquantity.cpp           |  5 ++++-
- icu4c/source/test/intltest/numfmtst.cpp                |  8 ++++++++
- .../icu/impl/number/DecimalQuantity_AbstractBCD.java   |  5 ++++-
- .../impl/number/DecimalQuantity_DualStorageBCD.java    | 10 +++++++++-
- .../com/ibm/icu/dev/test/format/NumberFormatTest.java  |  5 +++++
- 6 files changed, 31 insertions(+), 4 deletions(-)
-
-erAck:
-* taken from https://github.com/unicode-org/icu/commits/maint/maint-63
-  https://github.com/unicode-org/icu/commit/6cbd62e59e30f73b444be89ea71fd74275ac53a4.patch
-* obviously removed the icu4j *.java patch parts
-
-diff --git a/icu4c/source/i18n/fmtable.cpp b/icu4c/source/i18n/fmtable.cpp
-index 45c7024fc29..8601d95f4a6 100644
---- a/icu4c/source/i18n/fmtable.cpp
-+++ b/icu4c/source/i18n/fmtable.cpp
-@@ -734,7 +734,7 @@ CharString *Formattable::internalGetCharString(UErrorCode &status) {
-       // not print scientific notation for magnitudes greater than -5 and smaller than some amount (+5?).
-       if (fDecimalQuantity->isZero()) {
-         fDecimalStr->append("0", -1, status);
--      } else if (std::abs(fDecimalQuantity->getMagnitude()) < 5) {
-+      } else if (fDecimalQuantity->getMagnitude() != INT32_MIN && std::abs(fDecimalQuantity->getMagnitude()) < 5) {
-         fDecimalStr->appendInvariantChars(fDecimalQuantity->toPlainString(), status);
-       } else {
-         fDecimalStr->appendInvariantChars(fDecimalQuantity->toScientificString(), status);
-diff --git a/icu4c/source/i18n/number_decimalquantity.cpp b/icu4c/source/i18n/number_decimalquantity.cpp
-index 2c4182b1c6e..f6f2b20fab0 100644
---- a/icu4c/source/i18n/number_decimalquantity.cpp
-+++ b/icu4c/source/i18n/number_decimalquantity.cpp
-@@ -820,7 +820,10 @@ UnicodeString DecimalQuantity::toScientificString() const {
-     }
-     result.append(u'E');
-     int32_t _scale = upperPos + scale;
--    if (_scale < 0) {
-+    if (_scale == INT32_MIN) {
-+        result.append({u"-2147483648", -1});
-+        return result;
-+    } else if (_scale < 0) {
-         _scale *= -1;
-         result.append(u'-');
-     } else {
-diff --git a/icu4c/source/test/intltest/numfmtst.cpp b/icu4c/source/test/intltest/numfmtst.cpp
-index 34355939113..8d52dc122bf 100644
---- a/icu4c/source/test/intltest/numfmtst.cpp
-+++ b/icu4c/source/test/intltest/numfmtst.cpp
-@@ -9226,6 +9226,14 @@ void NumberFormatTest::Test20037_ScientificIntegerOverflow() {
-     assertEquals(u"Should not overflow and should parse only the first exponent",
-                  u"1E-2147483647",
-                  {sp.data(), sp.length(), US_INV});
-+
-+    // Test edge case overflow of exponent
-+    result = Formattable();
-+    nf->parse(u".0003e-2147483644", result, status);
-+    sp = result.getDecimalNumber(status);
-+    assertEquals(u"Should not overflow",
-+                 u"3E-2147483648",
-+                 {sp.data(), sp.length(), US_INV});
- }
- 
- void NumberFormatTest::Test13840_ParseLongStringCrash() {