diff --git a/gmic.spec b/gmic.spec
index da2098d..e8f51a0 100644
--- a/gmic.spec
+++ b/gmic.spec
@@ -43,7 +43,6 @@ BuildRequires: gcc-c++
 # package despite being a shared library
 Obsoletes:     gmic-static <= 2.1.8
 
-Patch1:        gmic_opencv.patch
 Patch2:        Makefile_arch.patch
 
 
@@ -79,7 +78,6 @@ Provides a plugin for using G'MIC from GIMP
 
 %prep
 %setup -q -a 1 -a 2 -a 3
-%patch1 -p1 -b.opencv
 
 %ifarch armv7hl s390x ppc64le
 %patch2 -p1 -b.arch
@@ -167,6 +165,7 @@ chmod -x $RPM_BUILD_ROOT/%{_sysconfdir}/bash_completion.d/gmic
 %changelog
 * Fri Jun 12 2020 josef radinger <cheese@nosuchhost.net> - 2.9.1-1
 - bump version
+- remove patch1 (for new opencv)
 
 * Thu Jun 04 2020 Nicolas Chauvet <kwizart@gmail.com> - 2.9.0-4
 - Rebuilt for OpenCV 4.3
diff --git a/gmic_opencv.patch b/gmic_opencv.patch
deleted file mode 100644
index f98c029..0000000
--- a/gmic_opencv.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- gmic-2.9.0/zart/src/ImageConverter.cpp.orig	2020-03-30 17:06:35.000000000 +0200
-+++ gmic-2.9.0/zart/src/ImageConverter.cpp	2020-03-30 21:19:39.589129422 +0200
-@@ -70,7 +70,7 @@
- 
-   cv::Mat tmp(in->cols, in->rows, in->type());
- 
--  cvtColor(*in, tmp, (in->channels() == 1) ? CV_GRAY2RGB : CV_BGR2RGB);
-+  cvtColor(*in, tmp, (in->channels() == 1) ? cv::COLOR_GRAY2RGB : cv::COLOR_BGR2RGB);
- 
-   const unsigned int w3 = 3 * tmp.cols;
-   unsigned char * src = reinterpret_cast<unsigned char *>(tmp.ptr());
-@@ -113,7 +113,7 @@
-       dst += step;
-     }
-   }
--  cvtColor(**out, **out, CV_BGR2RGB);
-+  cvtColor(**out, **out, cv::COLOR_BGR2RGB);
- }
- 
- void ImageConverter::convert(const cimg_library::CImg<float> & in, QImage * out)