diff --git a/0880eeab952cc122c635164a73c6749468e1b086.patch b/0880eeab952cc122c635164a73c6749468e1b086.patch
deleted file mode 100644
index 0bb3fd2..0000000
--- a/0880eeab952cc122c635164a73c6749468e1b086.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-diff -rupN --no-dereference gmsh-4.5.2-source/Geo/CGNSZoneUnstruct.cpp gmsh-4.5.2-source-new/Geo/CGNSZoneUnstruct.cpp
---- gmsh-4.5.2-source/Geo/CGNSZoneUnstruct.cpp	2020-01-05 10:58:58.000000000 +0100
-+++ gmsh-4.5.2-source-new/Geo/CGNSZoneUnstruct.cpp	2020-02-17 15:33:58.359156182 +0100
-@@ -113,10 +113,10 @@ int CGNSZoneUnstruct::readSection(
-   if(cgnsErr != CG_OK) return cgnsError(__FILE__, __LINE__, fileIndex());
- 
-     // check for compatibility with MIXED element sections
--#if CGNS_VERSION < 3400
-+#if CGNS_VERSION < 4000
-   if(sectEltType == MIXED) {
-     Msg::Error("Reading MIXED element sections requires CGNS library version"
--               "3.4 or superior");
-+               "4 or superior");
-     return 0;
-   }
- #endif
-@@ -130,7 +130,7 @@ int CGNSZoneUnstruct::readSection(
-   // read connectivity data
-   std::vector<cgsize_t> sectData(dataSize), offsetData(endElt - startElt + 2);
-   if(sectEltType == MIXED) {
--#if CGNS_VERSION >= 3400
-+#if CGNS_VERSION >= 4000
-     cgnsErr = cg_poly_elements_read(fileIndex(), baseIndex(), index(), iSect,
-                                     sectData.data(), offsetData.data(), 0);
- #endif
diff --git a/gmsh.spec b/gmsh.spec
index ff87b02..6d4a923 100644
--- a/gmsh.spec
+++ b/gmsh.spec
@@ -4,7 +4,7 @@
 Name:       gmsh
 Summary:    A three-dimensional finite element mesh generator
 Version:    4.5.2
-Release:    2%{?dist}
+Release:    3%{?dist}
 
 # gmsh is GPLv2+ with exceptions, see LICENSE.txt
 # contrib/{DiscreteIntegration, HighOrderMeshOptimizer, MeshOptimizer, onelab} are MIT, see respective README.txt
@@ -27,8 +27,6 @@ Patch3:     gmsh_julia.patch
 Patch4:     gmsh_install.patch
 # Fix build error caused by include ordering
 Patch5:     gmsh_build.patch
-# Backport fix to build against cngslib-3.4.1
-Patch6:     0880eeab952cc122c635164a73c6749468e1b086.patch
 
 BuildRequires: alglib-devel
 BuildRequires: ann-devel
@@ -379,6 +377,9 @@ rm -f %{buildroot}%{_defaultdocdir}/%{name}/LICENSE.txt
 
 
 %changelog
+* Fri Feb 21 2020 Sandro Mani <manisandro@gmail.com> - 4.5.2-3
+- Rebuild (cgnslib)
+
 * Mon Feb 17 2020 Sandro Mani <manisandro@gmail.com> - 4.5.2-2
 - Rebuild (cgnslib)