diff --git a/contrib/libunwind-cmake/CMakeLists.txt b/contrib/libunwind-cmake/CMakeLists.txt
index 8d99d729010..b566e8cb9b3 100644
--- a/contrib/libunwind-cmake/CMakeLists.txt
+++ b/contrib/libunwind-cmake/CMakeLists.txt
@@ -4,9 +4,6 @@ set(LIBUNWIND_CXX_SOURCES
     "${LIBUNWIND_SOURCE_DIR}/src/libunwind.cpp"
     "${LIBUNWIND_SOURCE_DIR}/src/Unwind-EHABI.cpp"
     "${LIBUNWIND_SOURCE_DIR}/src/Unwind-seh.cpp")
-if (APPLE)
-    set(LIBUNWIND_CXX_SOURCES ${LIBUNWIND_CXX_SOURCES} "${LIBUNWIND_SOURCE_DIR}/src/Unwind_AppleExtras.cpp")
-endif ()
 
 set(LIBUNWIND_C_SOURCES
     "${LIBUNWIND_SOURCE_DIR}/src/UnwindLevel1.c"