diff --git a/cmake/StaticBuild.cmake b/cmake/StaticBuild.cmake
index 9930e302b..796e2d4d9 100644
--- a/cmake/StaticBuild.cmake
+++ b/cmake/StaticBuild.cmake
@@ -461,9 +461,8 @@ build_external(sodium)
 add_static_target(sodium sodium_external libsodium.a)
 
 
-if(ZMQ_VERSION VERSION_LESS 4.3.3 AND CMAKE_CROSSCOMPILING AND ARCH_TRIPLET MATCHES mingw)
-  set(zmq_patch PATCH_COMMAND patch -p1 -i ${PROJECT_SOURCE_DIR}/utils/build_scripts/libzmq-pr3601-mingw-build-fix.patch
-    COMMAND patch -p1 -i ${PROJECT_SOURCE_DIR}/utils/build_scripts/libzmq-pr3613-fix-funcptr-call.patch)
+if(ZMQ_VERSION VERSION_LESS 4.3.4 AND CMAKE_CROSSCOMPILING AND ARCH_TRIPLET MATCHES mingw)
+  set(zmq_patch PATCH_COMMAND patch -p1 -i ${PROJECT_SOURCE_DIR}/utils/build_scripts/libzmq-mingw-closesocket.patch)
 endif()
 build_external(zmq
   DEPENDS sodium_external
diff --git a/utils/build_scripts/libzmq-mingw-closesocket.patch b/utils/build_scripts/libzmq-mingw-closesocket.patch
new file mode 100644
index 000000000..1971d6bc9
--- /dev/null
+++ b/utils/build_scripts/libzmq-mingw-closesocket.patch
@@ -0,0 +1,12 @@
+diff --git a/tests/testutil.hpp b/tests/testutil.hpp
+index c6f5e4de..6a1c8bb8 100644
+--- a/tests/testutil.hpp
++++ b/tests/testutil.hpp
+@@ -102,7 +102,6 @@ const uint8_t zmtp_ready_sub[27] = {
+ #include <winsock2.h>
+ #include <ws2tcpip.h>
+ #include <stdexcept>
+-#define close closesocket
+ typedef int socket_size_t;
+ inline const char *as_setsockopt_opt_t (const void *opt)
+ {
diff --git a/utils/build_scripts/libzmq-pr3601-mingw-build-fix.patch b/utils/build_scripts/libzmq-pr3601-mingw-build-fix.patch
deleted file mode 100644
index 0693ed92d..000000000
--- a/utils/build_scripts/libzmq-pr3601-mingw-build-fix.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-diff --git a/src/thread.cpp b/src/thread.cpp
-index b14d70757..3675899be 100644
---- a/src/thread.cpp
-+++ b/src/thread.cpp
-@@ -32,6 +32,10 @@
- #include "thread.hpp"
- #include "err.hpp"
- 
-+#ifdef ZMQ_HAVE_WINDOWS
-+#include <winnt.h>
-+#endif
-+
- bool zmq::thread_t::get_started () const
- {
-     return _started;
-@@ -113,10 +117,22 @@ struct thread_info_t
- #pragma pack(pop)
- }
- 
-+typedef struct _MY_EXCEPTION_REGISTRATION_RECORD
-+{
-+    struct _MY_EXCEPTION_REGISTRATION_RECORD *Next;
-+    void *Handler;
-+} MY_EXCEPTION_REGISTRATION_RECORD;
-+
-+static EXCEPTION_DISPOSITION NTAPI continue_execution (EXCEPTION_RECORD *rec,
-+	void *frame, CONTEXT *ctx, void *disp)
-+{
-+	return ExceptionContinueExecution;
-+}
-+
- void zmq::thread_t::
-   applyThreadName () // to be called in secondary thread context
- {
--    if (!_name[0])
-+    if (!_name[0] || !IsDebuggerPresent())
-         return;
- 
-     thread_info_t thread_info;
-@@ -125,17 +141,19 @@ void zmq::thread_t::
-     thread_info._thread_id = -1;
-     thread_info._flags = 0;
- 
--#pragma warning(push)
--#pragma warning(disable : 6320 6322)
--    __try {
--        DWORD MS_VC_EXCEPTION = 0x406D1388;
-+    NT_TIB *tib = ((NT_TIB*)NtCurrentTeb());
-+
-+    MY_EXCEPTION_REGISTRATION_RECORD rec;
-+    rec.Next = (MY_EXCEPTION_REGISTRATION_RECORD *)tib->ExceptionList;
-+    rec.Handler = continue_execution;
-+
-+    // push our handler, raise, and finally pop our handler
-+    tib->ExceptionList = (_EXCEPTION_REGISTRATION_RECORD *)&rec;
-+    DWORD MS_VC_EXCEPTION = 0x406D1388;
-         RaiseException (MS_VC_EXCEPTION, 0,
--                        sizeof (thread_info) / sizeof (ULONG_PTR),
--                        (ULONG_PTR *) &thread_info);
--    }
--    __except (EXCEPTION_CONTINUE_EXECUTION) {
--    }
--#pragma warning(pop)
-+            sizeof (thread_info) / sizeof (ULONG_PTR),
-+            (ULONG_PTR *) &thread_info);
-+    tib->ExceptionList = (_EXCEPTION_REGISTRATION_RECORD *)(((MY_EXCEPTION_REGISTRATION_RECORD *)tib->ExceptionList)->Next);
- }
- 
- #elif defined ZMQ_HAVE_VXWORKS
diff --git a/utils/build_scripts/libzmq-pr3613-fix-funcptr-call.patch b/utils/build_scripts/libzmq-pr3613-fix-funcptr-call.patch
deleted file mode 100644
index a17252823..000000000
--- a/utils/build_scripts/libzmq-pr3613-fix-funcptr-call.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-diff --git a/RELICENSE/tomzbench.md b/RELICENSE/tomzbench.md
-new file mode 100644
-index 000000000..1cbcc4fdb
---- /dev/null
-+++ b/RELICENSE/tomzbench.md
-@@ -0,0 +1,14 @@
-+# Permission to Relicense under MPLv2
-+
-+This is a statement by Thomas Chiantia
-+that grants permission to relicense its copyrights in the libzmq C++
-+library (ZeroMQ) under the Mozilla Public License v2 (MPLv2).
-+
-+A portion of the commits made by the Github handle "tomzbench", with
-+commit author "Thomas<Thomas@Altronix.com>", are copyright of
-+Thomas Chiantia.
-+This document hereby grants the libzmq project team to relicense libzmq,
-+including all past, present and future contributions of the author listed above.
-+
-+Thomas Chiantia
-+2019/08/10
-diff --git a/src/thread.cpp b/src/thread.cpp
-index 2cad2adaa..6f07e9cee 100644
---- a/src/thread.cpp
-+++ b/src/thread.cpp
-@@ -117,11 +117,14 @@ struct thread_info_t
- #pragma pack(pop)
- }
- 
--typedef struct _MY_EXCEPTION_REGISTRATION_RECORD
-+struct MY_EXCEPTION_REGISTRATION_RECORD
- {
--    struct _MY_EXCEPTION_REGISTRATION_RECORD *Next;
--    void *Handler;
--} MY_EXCEPTION_REGISTRATION_RECORD;
-+    typedef EXCEPTION_DISPOSITION (NTAPI *HandlerFunctionType) (
-+      EXCEPTION_RECORD *, void *, CONTEXT *, void *);
-+
-+    MY_EXCEPTION_REGISTRATION_RECORD *Next;
-+    HandlerFunctionType Handler;
-+};
- 
- static EXCEPTION_DISPOSITION NTAPI continue_execution (EXCEPTION_RECORD *rec,
-                                                        void *frame,