diff --git a/gnu/local.mk b/gnu/local.mk
index d2e2843372..bd0d9b75ce 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1794,7 +1794,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/python-feedparser-missing-import.patch	\
   %D%/packages/patches/python-louvain-fix-test.patch		\
   %D%/packages/patches/python-random2-getrandbits-test.patch		\
-  %D%/packages/patches/python-poppler-qt5-fix-build.patch	\
   %D%/packages/patches/python-pyreadstat-link-libiconv.patch	\
   %D%/packages/patches/python-pypdf-annotate-tests-appropriately.patch	\
   %D%/packages/patches/python-pytorch2-system-libraries.patch	\
diff --git a/gnu/packages/patches/python-poppler-qt5-fix-build.patch b/gnu/packages/patches/python-poppler-qt5-fix-build.patch
deleted file mode 100644
index 099bb86d2f..0000000000
--- a/gnu/packages/patches/python-poppler-qt5-fix-build.patch
+++ /dev/null
@@ -1,116 +0,0 @@
-Patch taken from the upstream repository
-https://github.com/frescobaldi/python-poppler-qt5/issues/43
-
-From 92e5962ec3751ab051d0b655fd61afc7a1cf709e Mon Sep 17 00:00:00 2001
-From: Ben Greiner <code@bnavigator.de>
-Date: Thu, 4 Mar 2021 17:02:51 +0100
-Subject: [PATCH] map type QVector< QPair<TYPE, TYPE> > for
- FormFieldChoice::choicesWithExportValues() (#45)
-
----
- types.sip | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
- 1 file changed, 93 insertions(+)
-
-diff --git a/types.sip b/types.sip
-index 239b8c9..81cb283 100644
---- a/types.sip
-+++ b/types.sip
-@@ -331,5 +331,98 @@ template <TYPE>
- };
- 
- 
-+/**
-+ * Convert QVector< QPair<TYPE, TYPE> >
-+ * from and to a Python list of a 2-item tuple
-+ */
-+
-+template<TYPE>
-+%MappedType QVector< QPair<TYPE, TYPE> >
-+{
-+%TypeHeaderCode
-+#include <qvector.h>
-+#include <qpair.h>
-+%End
-+
-+%ConvertFromTypeCode
-+  // Create the list.
-+  PyObject *l;
-+
-+  if ((l = PyList_New(sipCpp->size())) == NULL)
-+      return NULL;
-+
-+  // Set the list elements.
-+  for (int i = 0; i < sipCpp->size(); ++i)
-+  {
-+    QPair<TYPE, TYPE>* p = new QPair<TYPE, TYPE>(sipCpp->at(i));
-+    PyObject *ptuple = PyTuple_New(2);
-+    PyObject *pfirst;
-+    PyObject *psecond;
-+
-+    TYPE *sfirst = new TYPE(p->first);
-+    if ((pfirst = sipConvertFromType(sfirst, sipType_TYPE, sipTransferObj)) == NULL)
-+    {
-+      Py_DECREF(l);
-+      Py_DECREF(ptuple);
-+      return NULL;
-+    }
-+    PyTuple_SET_ITEM(ptuple, 0, pfirst);
-+
-+    TYPE *ssecond = new TYPE(p->second);
-+    if ((psecond = sipConvertFromType(ssecond, sipType_TYPE, sipTransferObj)) == NULL)
-+    {
-+      Py_DECREF(l);
-+      Py_DECREF(ptuple);
-+      Py_DECREF(pfirst);
-+      return NULL;
-+    }
-+    PyTuple_SET_ITEM(ptuple, 1, psecond);
-+
-+    PyList_SET_ITEM(l, i, ptuple);
-+  }
-+
-+  return l;
-+%End
-+
-+%ConvertToTypeCode
-+  const sipTypeDef* qpair_type = sipFindType("QPair<TYPE, TYPE>");
-+
-+  // Check the type if that is all that is required.
-+  if (sipIsErr == NULL)
-+  {
-+    if (!PySequence_Check(sipPy))
-+      return 0;
-+
-+    for (int i = 0; i < PySequence_Size(sipPy); ++i)
-+      if (!sipCanConvertToType(PySequence_ITEM(sipPy, i), qpair_type, SIP_NOT_NONE))
-+        return 0;
-+
-+    return 1;
-+  }
-+
-+
-+  QVector< QPair<TYPE, TYPE> > *qv = new QVector< QPair<TYPE, TYPE> >;
-+
-+  for (int i = 0; i < PySequence_Size(sipPy); ++i)
-+  {
-+    int state;
-+    QPair<TYPE, TYPE> * p = reinterpret_cast< QPair<TYPE, TYPE> * >(sipConvertToType(PySequence_ITEM(sipPy, i), qpair_type, sipTransferObj, SIP_NOT_NONE, &state, sipIsErr));
-+
-+    if (*sipIsErr)
-+    {
-+      sipReleaseType(p, qpair_type, state);
-+      delete qv;
-+      return 0;
-+    }
-+    qv->append(*p);
-+    sipReleaseType(p, qpair_type, state);
-+  }
-+
-+  *sipCppPtr = qv;
-+  return sipGetState(sipTransferObj);
-+%End
-+
-+};
-+
- 
- /* kate: indent-width 4; space-indent on; hl c++; indent-mode cstyle; */
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index e07f0441e2..c7a08cafa3 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -431,40 +431,26 @@ (define-public poppler-qt5
 (define-public python-poppler-qt5
   (package
     (name "python-poppler-qt5")
-    (version "21.1.0")
+    (version "21.3.0")
     (source
-      (origin
-        (method url-fetch)
-        (uri (pypi-uri "python-poppler-qt5" version))
-        (sha256
-         (base32
-          "0b82gm4i75q5v19kfbq0h4y0b2vcwr2213zkhxh6l0h45kdndmxd"))
-       (patches (search-patches "python-poppler-qt5-fix-build.patch"))))
-    (build-system python-build-system)
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "python-poppler-qt5" version))
+       (sha256
+        (base32 "1q3gvmsmsq3llf9mcbhlkryrgprqrw2z7wmnvagy180f3y2fhxxl"))))
+    (build-system pyproject-build-system)
     (arguments
-     `(;; There are no tests.  The check phase just causes a rebuild.
-       #:tests? #f
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'build
-           (lambda* (#:key inputs #:allow-other-keys)
-             (substitute* "setup.py"
-               ;; This check always fails, so disable it.
-               (("if not check_qtxml\\(\\)")
-                "if True"))
-             ;; We need to pass an extra flag here.  This cannot be in
-             ;; configure-flags because it should not be passed for the
-             ;; installation phase.
-             ((@@ (guix build python-build-system) call-setuppy)
-              "build_ext" (list (string-append "--pyqt-sip-dir="
-                                               (assoc-ref inputs "python-pyqt")
-                                               "/share/sip")) #t))))))
-    (native-inputs
-     (list pkg-config))
-    (inputs
-     (list python-sip-4 python-pyqt poppler-qt5 qtbase-5))
-    (home-page "https://pypi.org/project/python-poppler-qt5/")
-    (synopsis "Python bindings for Poppler-Qt5")
+     `(;; The sipbuild.api backend builder expects a Python dictionary as per
+       
+       ;; https://peps.python.org/pep-0517/#config-settings, but we
+       ;; give it lists and it fails.  The next line is a workaround.
+       #:configure-flags '#nil
+       #:tests? #f))
+    (native-inputs (list pkg-config))
+    (inputs (list python-sip python-pyqt-builder python-pyqt poppler-qt5
+                  qtbase-5))
+    (home-page "https://github.com/frescobaldi/python-poppler-qt5")
+    (synopsis "Python binding to Poppler-Qt5")
     (description
      "This package provides Python bindings for the Qt5 interface of the
 Poppler PDF rendering library.")
