diff --git a/pkgs/development/libraries/science/math/or-tools/build.patch b/pkgs/development/libraries/science/math/or-tools/build.patch
deleted file mode 100644
index a67e137ff4a..00000000000
--- a/pkgs/development/libraries/science/math/or-tools/build.patch
+++ /dev/null
@@ -1,5 +0,0 @@
---- a/makefiles/Makefile.python.mk
-+++ b/makefiles/Makefile.python.mk
-@@ -1070 +1070 @@ $(PYPI_ARCHIVE_TEMP_DIR)/ortools/ortools/data: $(PYDATA_LIBS) | $(PYPI_ARCHIVE_T
--$(PYPI_ARCHIVE_TEMP_DIR)/ortools/ortools/util: $(PYUTIL_LIBS) | $(PYPI_ARCHIVE_TEMP_DIR)/ortools/ortools
-+$(PYPI_ARCHIVE_TEMP_DIR)/ortools/ortools/util: $(PYSORTED_INTERVAL_LIST_LIBS) | $(PYPI_ARCHIVE_TEMP_DIR)/ortools/ortools
diff --git a/pkgs/development/libraries/science/math/or-tools/default.nix b/pkgs/development/libraries/science/math/or-tools/default.nix
index 15aea5803bf..688d1425681 100644
--- a/pkgs/development/libraries/science/math/or-tools/default.nix
+++ b/pkgs/development/libraries/science/math/or-tools/default.nix
@@ -1,24 +1,22 @@
 { stdenv, fetchFromGitHub, cmake, abseil-cpp, gflags, which
-, lsb-release, glog, protobuf, cbc, zlib
-, ensureNewerSourcesForZipFilesHook, python, swig
-, pythonProtobuf }:
+, lsb-release, glog, protobuf3_11, cbc, zlib
+, ensureNewerSourcesForZipFilesHook, python, swig }:
 
-stdenv.mkDerivation rec {
+let
+  protobuf = protobuf3_11;
+  pythonProtobuf = python.pkgs.protobuf.override { inherit protobuf; };
+
+in stdenv.mkDerivation rec {
   pname = "or-tools";
-  version = "7.3";
+  version = "7.5";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "or-tools";
     rev = "v${version}";
-    sha256 = "0q06vxmds6nm3dpjw4y5jzr8j98qgfb9i8pbm9pfhmqigv791hwc";
+    sha256 = "1p9jwdwzcsaa58ap912hdf2w27vna3xl9g4lh6kjskddwi8l3wac";
   };
 
-  patches = [
-    ./build.patch # https://github.com/google/or-tools/pull/1619
-    ./protobuf.patch # Otherwise it tries to install protobuf from pypi.
-  ];
-
   # The original build system uses cmake which does things like pull
   # in dependencies through git and Makefile creation time. We
   # obviously don't want to do this so instead we provide the
@@ -69,7 +67,7 @@ stdenv.mkDerivation rec {
     description = ''
       Google's software suite for combinatorial optimization.
     '';
-    maintainers = with maintainers; [ ];
+    maintainers = with maintainers; [ andersk ];
     platforms = with platforms; linux;
   };
 }
diff --git a/pkgs/development/libraries/science/math/or-tools/protobuf.patch b/pkgs/development/libraries/science/math/or-tools/protobuf.patch
deleted file mode 100644
index b0cce40434c..00000000000
--- a/pkgs/development/libraries/science/math/or-tools/protobuf.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- a/makefiles/Makefile.third_party.unix.mk
-+++ b/makefiles/Makefile.third_party.unix.mk
-@@ -24,1 +24,1 @@ GLOG_TAG = 0.4.0
--PROTOBUF_TAG = 3.9.0
-+PROTOBUF_TAG = 3.7.0
---- a/makefiles/Makefile.third_party.win.mk
-+++ b/makefiles/Makefile.third_party.win.mk
-@@ -40 +40 @@ GLOG_TAG = 0.4.0
--PROTOBUF_TAG = 3.9.0
-+PROTOBUF_TAG = 3.7.0
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 073f5f42f60..e12acb12327 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24065,9 +24065,7 @@ in
 
   osi = callPackage ../development/libraries/science/math/osi { };
 
-  or-tools = callPackage ../development/libraries/science/math/or-tools {
-    pythonProtobuf = pythonPackages.protobuf;
-  };
+  or-tools = callPackage ../development/libraries/science/math/or-tools { };
 
   rubiks = callPackage ../development/libraries/science/math/rubiks { };
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 603b2cf5dfe..2f307c0da05 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -929,7 +929,6 @@ in {
 
   ortools = (toPythonModule (pkgs.or-tools.override {
     inherit (self) python;
-    pythonProtobuf = self.protobuf;
   })).python;
 
   osmnx = callPackage ../development/python-modules/osmnx { };