diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a37553a..7cc86d2c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -87,7 +87,7 @@ jobs:
       - name: Install packages
         run: sudo apt install libicu-dev
       - name: Test
-        run: ${{ matrix.compiler }} -std=${{ matrix.standard }}  -I../../include *.cpp ../../src/*.cpp -o regress -licuuc -licui18n && ./regress
+        run: ${{ matrix.compiler }} -std=${{ matrix.standard }}  -I../../include *.cpp ../../src/*.cpp -o regress && ./regress
         working-directory: ./test/regress
   ubuntu-bionic:
     runs-on: ubuntu-18.04
diff --git a/test/regress/test_icu.cpp b/test/regress/test_icu.cpp
index c0d7f569..95e2bf54 100644
--- a/test/regress/test_icu.cpp
+++ b/test/regress/test_icu.cpp
@@ -21,14 +21,6 @@
 //
 #include <boost/regex/config.hpp>
 
-#ifdef BOOST_REGEX_STANDALONE
-#ifdef __has_include
-#if __has_include(<unicode/utypes.h>) && __has_include(<unicode/uchar.h>) && __has_include(<unicode/coll.h>)
-#define BOOST_HAS_ICU
-#endif
-#endif
-#endif
-
 #if defined(BOOST_HAS_ICU) && !defined(BOOST_NO_STD_WSTRING)
 
 #include <boost/regex/icu.hpp>