diff --git a/CMakeLists.txt b/CMakeLists.txt
index b0b518aa5..443a6640b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,13 +127,6 @@ SET_SOURCE_FILES_PROPERTIES(src/fish_version.cpp
                             PROPERTIES OBJECT_DEPENDS
                             ${CMAKE_CURRENT_BINARY_DIR}/${FBVF})
 
-OPTION(INTERNAL_WCWIDTH "use fallback wcwidth" ON)
-IF(INTERNAL_WCWIDTH)
-    ADD_DEFINITIONS(-DHAVE_BROKEN_WCWIDTH=1)
-ELSE()
-    ADD_DEFINITIONS(-DHAVE_BROKEN_WCWIDTH=0)
-ENDIF()
-
 # Enable thread-safe errno on Solaris (#5611)
 ADD_DEFINITIONS(-D_REENTRANT)
 
diff --git a/src/fallback.cpp b/src/fallback.cpp
index 870f81787..fc9b478a9 100644
--- a/src/fallback.cpp
+++ b/src/fallback.cpp
@@ -267,15 +267,6 @@ int fish_get_emoji_width(wchar_t c) {
 
 // Big hack to use our versions of wcswidth where we know them to be broken, which is
 // EVERYWHERE (https://github.com/fish-shell/fish-shell/issues/2199)
-#ifndef HAVE_BROKEN_WCWIDTH
-#define HAVE_BROKEN_WCWIDTH 1
-#endif
-
-#if !HAVE_BROKEN_WCWIDTH
-int fish_wcwidth(wchar_t wc) { return wcwidth(wc); }
-int fish_wcswidth(const wchar_t *str, size_t n) { return wcswidth(str, n); }
-#else
-
 #include "widecharwidth/widechar_width.h"
 
 int fish_wcwidth(wchar_t wc) {
@@ -332,8 +323,6 @@ int fish_wcswidth(const wchar_t *str, size_t n) {
     return result;
 }
 
-#endif  // HAVE_BROKEN_WCWIDTH
-
 #ifndef HAVE_FLOCK
 /*	$NetBSD: flock.c,v 1.6 2008/04/28 20:24:12 martin Exp $	*/