diff --git a/vcpkg/ports/qgis/56284.patch b/vcpkg/ports/qgis/56284.patch
deleted file mode 100644
index f511b6c339..0000000000
--- a/vcpkg/ports/qgis/56284.patch
+++ /dev/null
@@ -1,159 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index cb8430f3591..ee0788efe7c 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -540,7 +540,11 @@ if(WITH_CORE)
-   endif()
- 
-   # Password helper
--  find_package(QtKeychain REQUIRED)
-+  if(BUILD_WITH_QT6)
-+    find_package(Qt6Keychain CONFIG REQUIRED)
-+  else()
-+    find_package(Qt5Keychain CONFIG REQUIRED)
-+  endif()
-   # Master password hash and authentication encryption
-   find_package(QCA REQUIRED)
-   # Check for runtime dependency of qca-ossl plugin
-diff --git a/cmake/FindQtKeychain.cmake b/cmake/FindQtKeychain.cmake
-deleted file mode 100644
-index a32ebff397a..00000000000
---- a/cmake/FindQtKeychain.cmake
-+++ /dev/null
-@@ -1,52 +0,0 @@
--# Find QtKeychain
--# ~~~~~~~~~~~~~~~
--# Copyright (c) 2016, Boundless Spatial
--# Author: Larry Shaffer <lshaffer (at) boundlessgeo (dot) com>
--#
--# Redistribution and use is allowed according to the terms of the BSD license.
--# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
--#
--# CMake module to search for QtKeychain library from:
--#    https://github.com/frankosterfeld/qtkeychain
--#
--# If it's found it sets QTKEYCHAIN_FOUND to TRUE
--# and following variables are set:
--#    QTKEYCHAIN_INCLUDE_DIR
--#    QTKEYCHAIN_LIBRARY
--
--FIND_PATH(QTKEYCHAIN_INCLUDE_DIR keychain.h
--  PATHS
--  ${LIB_DIR}/include
--  "$ENV{LIB_DIR}/include"
--  $ENV{INCLUDE}
--  /usr/local/include
--  /usr/include
--  PATH_SUFFIXES ${QT_VERSION_BASE_LOWER}keychain qtkeychain
--)
--
--FIND_LIBRARY(QTKEYCHAIN_LIBRARY NAMES ${QT_VERSION_BASE_LOWER}keychain qtkeychain
--  PATHS
--  ${LIB_DIR}
--  "$ENV{LIB_DIR}"
--  $ENV{LIB_DIR}/lib
--  $ENV{LIB}
--  /usr/local/lib
--  /usr/lib
--)
--
--
--IF (QTKEYCHAIN_INCLUDE_DIR AND QTKEYCHAIN_LIBRARY)
--  SET(QTKEYCHAIN_FOUND TRUE)
--ELSE()
--  SET(QTKEYCHAIN_FOUND FALSE)
--ENDIF (QTKEYCHAIN_INCLUDE_DIR AND QTKEYCHAIN_LIBRARY)
--
--IF (QTKEYCHAIN_FOUND)
--   IF (NOT QTKEYCHAIN_FIND_QUIETLY)
--      MESSAGE(STATUS "Found QtKeychain: ${QTKEYCHAIN_LIBRARY}")
--   ENDIF (NOT QTKEYCHAIN_FIND_QUIETLY)
--ELSE (QTKEYCHAIN_FOUND)
--   IF (QTKEYCHAIN_FIND_REQUIRED)
--      MESSAGE(FATAL_ERROR "Could not find QtKeychain")
--   ENDIF (QTKEYCHAIN_FIND_REQUIRED)
--ENDIF (QTKEYCHAIN_FOUND)
-diff --git a/external/o2/src/o0keychainstore.cpp b/external/o2/src/o0keychainstore.cpp
-index 2fe1d0e1ea9..d22591dce44 100644
---- a/external/o2/src/o0keychainstore.cpp
-+++ b/external/o2/src/o0keychainstore.cpp
-@@ -4,7 +4,11 @@
- #include "o0keychainstore.h"
- 
- #include <QDebug>
--#include <keychain.h>
-+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-+#include <qt6keychain/keychain.h>
-+#else
-+#include <qt5keychain/keychain.h>
-+#endif
- #include <QtCore/QDataStream>
- #include <QtCore/QBuffer>
- #include <QtCore/QEventLoop>
-diff --git a/src/auth/oauth2/CMakeLists.txt b/src/auth/oauth2/CMakeLists.txt
-index 6bb0c665327..a9e2cfeddc3 100644
---- a/src/auth/oauth2/CMakeLists.txt
-+++ b/src/auth/oauth2/CMakeLists.txt
-@@ -3,9 +3,6 @@
- ########################################################
- # Packages
- 
--if(NOT QTKEYCHAIN_FOUND)
--  find_package(QtKeychain REQUIRED)
--endif()
- option(WITH_INTERNAL_O2 "Download and locally include source of o2 library" ON)
- 
- if(WITH_INTERNAL_O2)
-diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
-index a802a8f6431..56f9c9e96aa 100644
---- a/src/core/CMakeLists.txt
-+++ b/src/core/CMakeLists.txt
-@@ -2416,6 +2416,16 @@ target_link_libraries(qgis_core
-   PROJ::proj
- )
- 
-+if(BUILD_WITH_QT6)
-+target_link_libraries(qgis_core
-+  Qt6Keychain::Qt6Keychain
-+)
-+else()
-+target_link_libraries(qgis_core
-+  Qt5Keychain::Qt5Keychain
-+)
-+endif()
-+
- if (WITH_DRACO)
-   target_link_libraries(qgis_core ${DRACO_LIBRARY})
- endif()
-diff --git a/src/core/auth/qgsauthmanager.cpp b/src/core/auth/qgsauthmanager.cpp
-index 5948df209df..429c3e58b42 100644
---- a/src/core/auth/qgsauthmanager.cpp
-+++ b/src/core/auth/qgsauthmanager.cpp
-@@ -47,9 +47,6 @@
- #include <QSslConfiguration>
- #endif
- 
--// QtKeyChain library
--#include "keychain.h"
--
- // QGIS includes
- #include "qgsauthcertutils.h"
- #include "qgsauthcrypto.h"
-diff --git a/src/core/auth/qgsauthmanager.h b/src/core/auth/qgsauthmanager.h
-index 6ab376d35ba..a29cc5b74ec 100644
---- a/src/core/auth/qgsauthmanager.h
-+++ b/src/core/auth/qgsauthmanager.h
-@@ -38,8 +38,11 @@
- #include "qgsauthconfig.h"
- #include "qgsauthmethod.h"
- 
--// Qt5KeyChain library
--#include "keychain.h"
-+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-+#include <qt6keychain/keychain.h>
-+#else
-+#include <qt5keychain/keychain.h>
-+#endif
- 
- #ifndef SIP_RUN
- namespace QCA
diff --git a/vcpkg/ports/qgis/androidextras.patch b/vcpkg/ports/qgis/androidextras.patch
deleted file mode 100644
index 76d5792bfd..0000000000
--- a/vcpkg/ports/qgis/androidextras.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --color -Naur b/CMakeLists.txt QGIS-final-3_28_0/CMakeLists.txt
---- b/CMakeLists.txt	2022-10-22 19:08:22.563229185 +0200
-+++ QGIS-final-3_28_0/CMakeLists.txt	2022-10-22 19:11:24.686948005 +0200
-@@ -493,11 +493,11 @@
-   else()
-     message(STATUS "Found Qt version: ${Qt5Core_VERSION_STRING}")
-   endif()
-+  if(${CMAKE_SYSTEM_NAME} MATCHES "Android" AND NOT BUILD_WITH_QT6)
-+    find_package(${QT_VERSION_BASE} COMPONENTS AndroidExtras)
-+  endif()
-   if (WITH_QUICK)
-     find_package(${QT_VERSION_BASE} COMPONENTS Qml Quick REQUIRED)
--    if(${CMAKE_SYSTEM_NAME} MATCHES "Android" AND NOT BUILD_WITH_QT6)
--      find_package(${QT_VERSION_BASE} COMPONENTS AndroidExtras)
--    endif()
- 
-     # following variable is used in qgsconfig.h
-     set (HAVE_QUICK TRUE)
diff --git a/vcpkg/ports/qgis/poly2tri1.patch b/vcpkg/ports/qgis/poly2tri1.patch
deleted file mode 100644
index f9f28885b1..0000000000
--- a/vcpkg/ports/qgis/poly2tri1.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 2318388f5086..368c86b65476 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -398,7 +398,7 @@ if(WITH_CORE)
-   endif()
- 
-   if (NOT WITH_INTERNAL_POLY2TRI)
--    find_package(Poly2Tri REQUIRED)
-+    find_package(poly2tri REQUIRED)
-   endif()
- 
-   if (WITH_SPATIALITE)
-diff --git a/cmake/FindPoly2Tri.cmake b/cmake/FindPoly2Tri.cmake
-deleted file mode 100644
-index 87fb34f3475b..000000000000
---- a/cmake/FindPoly2Tri.cmake
-+++ /dev/null
-@@ -1,24 +0,0 @@
--# Find Poly2Tri
--# ~~~~~~~~~
--# Copyright (c) 2020, Peter Petrik <zilolv at gmail dot com>
--# Redistribution and use is allowed according to the terms of the BSD license.
--# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
--#
--#
--# Once run this will define: 
--#  Poly2Tri_FOUND - System has Poly2Tri
--#  Poly2Tri_INCLUDE_DIR - The Poly2Tri include directory
--#  Poly2Tri_LIBRARY - The library needed to use Poly2Tri
--
--find_path(Poly2Tri_INCLUDE_DIR poly2tri.h
--          HINTS $ENV{LIB_DIR}/include)
--
--find_library(Poly2Tri_LIBRARY NAMES poly2tri libpoly2tri
--             HINTS $ENV{LIB_DIR}/lib)
--
--include(FindPackageHandleStandardArgs)
--
--find_package_handle_standard_args(Poly2Tri DEFAULT_MSG
--                                  Poly2Tri_LIBRARY Poly2Tri_INCLUDE_DIR)
--
--mark_as_advanced( Poly2Tri_INCLUDE_DIR Poly2Tri_LIBRARY )
-diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
-index 1dd8bfa49bf3..9b3229480ea7 100644
---- a/src/core/CMakeLists.txt
-+++ b/src/core/CMakeLists.txt
-@@ -973,8 +973,6 @@ if (WITH_INTERNAL_POLY2TRI)
-     ${CMAKE_SOURCE_DIR}/external/poly2tri/sweep/sweep.cc
-   )
-   include_directories(${CMAKE_SOURCE_DIR}/external/poly2tri)
--else ()
--  include_directories(${Poly2Tri_INCLUDE_DIR})
- endif ()
- 
- file(GLOB JSON_HELP_FILES "${CMAKE_SOURCE_DIR}/resources/function_help/json/*")
-@@ -2347,7 +2345,7 @@ if(ENABLE_MODELTEST)
- endif()
- 
- if (NOT WITH_INTERNAL_POLY2TRI)
--   target_link_libraries(qgis_core ${Poly2Tri_LIBRARY})
-+   target_link_libraries(qgis_core poly2tri::poly2tri)
- endif()
- 
- if(HAVE_OPENCL)
diff --git a/vcpkg/ports/qgis/poly2tri2.patch b/vcpkg/ports/qgis/poly2tri2.patch
deleted file mode 100644
index 860d742597..0000000000
--- a/vcpkg/ports/qgis/poly2tri2.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-diff --git a/cmake/Findpoly2tri.cmake b/cmake/Findpoly2tri.cmake
-new file mode 100644
-index 000000000000..8e3c8030ac53
---- /dev/null
-+++ b/cmake/Findpoly2tri.cmake
-@@ -0,0 +1,31 @@
-+# Find poly2tri
-+# ~~~~~~~~~~~~~
-+# Copyright (c) 2020, Peter Petrik <zilolv at gmail dot com>
-+# Redistribution and use is allowed according to the terms of the BSD license.
-+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
-+#
-+#
-+# Once run this will define: 
-+#  poly2tri_FOUND - System has poly2tri
-+#  poly2tri::poly2tri - Target
-+
-+find_package(poly2tri CONFIG)
-+if(NOT poly2tri_FOUND)
-+  find_path(poly2tri_INCLUDE_DIR poly2tri.h
-+            HINTS $ENV{LIB_DIR}/include)
-+  
-+  find_library(poly2tri_LIBRARY NAMES poly2tri libpoly2tri
-+               HINTS $ENV{LIB_DIR}/lib)
-+  
-+  include(FindPackageHandleStandardArgs)
-+  
-+  find_package_handle_standard_args(poly2tri DEFAULT_MSG
-+                                    poly2tri_LIBRARY poly2tri_INCLUDE_DIR)
-+
-+  
-+  add_library(poly2tri::poly2tri UNKNOWN IMPORTED)
-+  target_link_libraries(poly2tri::poly2tri INTERFACE ${poly2tri_LIBRARY})
-+  target_include_directories(poly2tri::poly2tri INTERFACE ${poly2tri_INCLUDE_DIR})
-+  set_target_properties(poly2tri::poly2tri PROPERTIES IMPORTED_LOCATION ${poly2tri_LIBRARY})
-+  mark_as_advanced(poly2tri_INCLUDE_DIR poly2tri_LIBRARY)
-+endif()