diff --git a/Formula/pdf2htmlex.rb b/Formula/pdf2htmlex.rb
index 4d1e8e418b..931cff48b1 100644
--- a/Formula/pdf2htmlex.rb
+++ b/Formula/pdf2htmlex.rb
@@ -3,7 +3,7 @@ class Pdf2htmlex < Formula
   homepage "https://coolwanglu.github.io/pdf2htmlEX/"
   url "https://github.com/coolwanglu/pdf2htmlEX/archive/v0.14.6.tar.gz"
   sha256 "320ac2e1c2ea4a2972970f52809d90073ee00a6c42ef6d9833fb48436222f0e5"
-  revision 18
+  revision 19
 
   head "https://github.com/coolwanglu/pdf2htmlEX.git"
 
@@ -82,8 +82,6 @@ class Pdf2htmlex < Formula
     ENV.prepend_path "PATH", "#{libexec}/fontforge/bin"
 
     resource("poppler").stage do
-      ENV["LIBOPENJPEG_CFLAGS"] = "-I#{Formula["openjpeg"].opt_include}/openjpeg-2.2"
-
       inreplace "poppler.pc.in", "Cflags: -I${includedir}/poppler",
                                  "Cflags: -I${includedir}/poppler -I${includedir}"