diff --git a/0001-improve-perf.-of-VCL-event-dispatch.patch b/0001-improve-perf.-of-VCL-event-dispatch.patch
deleted file mode 100644
index 222e3b1..0000000
--- a/0001-improve-perf.-of-VCL-event-dispatch.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From 9ff1d7f8140de1224bb37fba0cb266a58f37e66d Mon Sep 17 00:00:00 2001
-From: David Tardon <dtardon@redhat.com>
-Date: Thu, 5 May 2016 15:53:06 +0200
-Subject: [PATCH] improve perf. of VCL event dispatch
-
-Anectodal evidence: for removal of 32 slides from 64 slide presentation,
-time spent in Window::CallEventListeners has been cut down from 70% to
-19% of the total time.
-
-Change-Id: Ic8fbb44fa935f068e1b18235592dec0d7e71aec7
----
- vcl/inc/window.h             |  2 ++
- vcl/source/window/event.cxx  | 13 ++++++++++++-
- vcl/source/window/window.cxx |  1 +
- 3 files changed, 15 insertions(+), 1 deletion(-)
-
-diff --git a/vcl/inc/window.h b/vcl/inc/window.h
-index e06a6b1..302e9d0 100644
---- a/vcl/inc/window.h
-+++ b/vcl/inc/window.h
-@@ -201,6 +201,8 @@ public:
-     VclPtr<vcl::Window> mpLastFocusWindow;
-     VclPtr<vcl::Window> mpDlgCtrlDownWindow;
-     std::vector<Link<VclWindowEvent&,void>> maEventListeners;
-+    int mnEventListenersIteratingCount;
-+    std::set<Link<VclWindowEvent&,void>> maEventListenersDeleted;
-     std::vector<Link<VclWindowEvent&,void>> maChildEventListeners;
-     int mnChildEventListenersIteratingCount;
-     std::set<Link<VclWindowEvent&,void>> maChildEventListenersDeleted;
-diff --git a/vcl/source/window/event.cxx b/vcl/source/window/event.cxx
-index cb39104..68e822b 100644
---- a/vcl/source/window/event.cxx
-+++ b/vcl/source/window/event.cxx
-@@ -216,11 +216,22 @@ void Window::CallEventListeners( sal_uLong nEvent, void* pData )
-     {
-         // Copy the list, because this can be destroyed when calling a Link...
-         std::vector<Link<VclWindowEvent&,void>> aCopy( mpWindowImpl->maEventListeners );
-+        // we use an iterating counter/flag and a set of deleted Link's to avoid O(n^2) behaviour
-+        mpWindowImpl->mnEventListenersIteratingCount++;
-+        auto& rWindowImpl = *mpWindowImpl;
-+        comphelper::ScopeGuard aGuard(
-+            [&rWindowImpl]()
-+            {
-+                rWindowImpl.mnEventListenersIteratingCount--;
-+                if (rWindowImpl.mnEventListenersIteratingCount == 0)
-+                    rWindowImpl.maEventListenersDeleted.clear();
-+            }
-+        );
-         for ( Link<VclWindowEvent&,void>& rLink : aCopy )
-         {
-             if (xWindow->IsDisposed()) break;
-             // check this hasn't been removed in some re-enterancy scenario fdo#47368
--            if( std::find(mpWindowImpl->maEventListeners.begin(), mpWindowImpl->maEventListeners.end(), rLink) != mpWindowImpl->maEventListeners.end() )
-+            if( rWindowImpl.maEventListenersDeleted.find(rLink) == rWindowImpl.maEventListenersDeleted.end() )
-                 rLink.Call( aEvent );
-         }
-     }
-diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
-index f245c47..d1c1ffe 100644
---- a/vcl/source/window/window.cxx
-+++ b/vcl/source/window/window.cxx
-@@ -615,6 +615,7 @@ WindowImpl::WindowImpl( WindowType nType )
-     mpNextOverlap                       = nullptr;                      // next overlap window of frame
-     mpLastFocusWindow                   = nullptr;                      // window for focus restore
-     mpDlgCtrlDownWindow                 = nullptr;                      // window for dialog control
-+    mnEventListenersIteratingCount = 0;
-     mnChildEventListenersIteratingCount = 0;
-     mpUserData                          = nullptr;                      // user data
-     mpCursor                            = nullptr;                      // cursor
--- 
-2.7.4
-
diff --git a/libreoffice.spec b/libreoffice.spec
index 1cdfc48..659b384 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -236,8 +236,7 @@ Patch6: 0001-add-X-TryExec-entries-to-desktop-files.patch
 Patch7: 0001-pass-original-CFLAGS.patch
 Patch8: 0001-rbhz-1326602-avoid-exp.-bg-bitmaps-from-deleted-slid.patch
 Patch9: 0001-tdf-99353-take-the-footgun-away-from-FilterCache.patch
-Patch10: 0001-improve-perf.-of-VCL-event-dispatch.patch
-Patch11: 0001-only-set-cur.-page-once-when-removing-mult.-pages.patch
+Patch10: 0001-only-set-cur.-page-once-when-removing-mult.-pages.patch
 
 %if 0%{?rhel}
 # not upstreamed