diff --git a/pkgs/tools/security/chaps/default.nix b/pkgs/tools/security/chaps/default.nix
deleted file mode 100644
index 13ac6d67febf..000000000000
--- a/pkgs/tools/security/chaps/default.nix
+++ /dev/null
@@ -1,91 +0,0 @@
-{ lib, stdenv, fetchFromGitiles, fetchFromGitHub, fetchurl, trousers, leveldb, unzip
-, scons, pkg-config, glib, dbus_cplusplus, dbus, protobuf, openssl, snappy, pam
-}:
-
-let
-  src_chromebase = fetchFromGitiles {
-    url = "https://chromium.googlesource.com/chromium/src/base";
-    rev = "2dfe404711e15e24e79799516400c61b2719d7af";
-    sha256 = "2bd93a3ace4b6767db2c1bd1e16f426c97b8d2133a9cb15f8372b2516cfa65c5";
-  };
-
-  src_gmock = fetchurl {
-    url = "https://googlemock.googlecode.com/files/gmock-1.7.0.zip";
-    sha256 = "0nq98cpnv2jsx2byp4ilam6kydcnziflkc16ikydajmp4mcvpz16";
-  };
-
-  src_platform2 = fetchFromGitiles {
-    url = "https://chromium.googlesource.com/chromiumos/platform2";
-    rev = "e999e989eaa71c3db7314fc7b4e20829b2b5473b";
-    sha256 = "15n1bsv6r7cny7arx0hdb223xzzbk7vkxg2r7xajhl4nsj39adjh";
-  };
-
-in
-
-stdenv.mkDerivation rec {
-  pname = "chaps";
-  version = "0.42-6812";
-
-  src = fetchFromGitHub {
-    owner = "google";
-    repo = "chaps-linux";
-    rev = "989aadc45cdb216ca35b0c97d13fc691576fa1d7";
-    sha256 = "0chk6pnn365d5kcz6vfqx1d0383ksk97icc0lzg0vvb0kvyj0ff1";
-  };
-
-  NIX_CFLAGS_COMPILE = [
-    # readdir_r(3) is deprecated in glibc >= 2.24
-    "-Wno-error=deprecated-declarations"
-    # gcc8 catching polymorphic type error
-    "-Wno-error=catch-value"
-  ];
-
-  patches = [ ./fix_absolute_path.patch  ./fix_environment_variables.patch  ./fix_scons.patch  ./insert_prefetches.patch ];
-
-  postPatch = ''
-    substituteInPlace makefile --replace @@NIXOS_SRC_CHROMEBASE@@ ${src_chromebase}
-    substituteInPlace makefile --replace @@NIXOS_SRC_GMOCK@@ ${src_gmock}
-    substituteInPlace makefile --replace @@NIXOS_SRC_PLATFORM2@@ ${src_platform2}
-    substituteInPlace makefile --replace @@NIXOS_LEVELDB@@ ${leveldb}
-    '';
-
-  nativeBuildInputs = [ unzip scons pkg-config ];
-
-  buildInputs = [ trousers glib dbus_cplusplus dbus protobuf openssl snappy leveldb pam ];
-
-  buildPhase = ''
-    make build
-    '';
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp ${pname}-${version}/out/chapsd $out/bin/.
-    cp ${pname}-${version}/out/chaps_client $out/bin/.
-
-    mkdir -p $out/lib
-    cp ${pname}-${version}/out/libchaps.so.* $out/lib/.
-    mkdir -p $out/lib/security
-    cp ${pname}-${version}/out/pam_chaps.so $out/lib/security/.
-
-    mkdir -p $out/include
-    cp -r ${pname}-${version}/out/chaps $out/include/.
-
-    mkdir -p $out/etc/dbus-1/system.d
-    cp ${pname}-${version}/out/org.chromium.Chaps.conf $out/etc/dbus-1/system.d/.
-    mkdir -p $out/etc/dbus-1/system-services
-    cp ${pname}-${version}/platform2/chaps/org.chromium.Chaps.service $out/etc/dbus-1/system-services/.
-
-    mkdir -p $out/usr/share/pam-configs/chaps
-    mkdir -p $out/usr/share/man/man8
-    cp ${pname}-${version}/man/* $out/usr/share/man/man8/.
-    '';
-
-  meta = with lib; {
-    description = "PKCS #11 implementation based on trusted platform module (TPM)";
-    homepage = "https://www.chromium.org/developers/design-documents/chaps-technical-design";
-    maintainers = [ maintainers.tstrobel ];
-    platforms = [ "x86_64-linux" ];
-    license = licenses.bsd3;
-    broken = true;  # build failure withn openssl 1.1
-  };
-}
diff --git a/pkgs/tools/security/chaps/fix_absolute_path.patch b/pkgs/tools/security/chaps/fix_absolute_path.patch
deleted file mode 100644
index 7dbd60c73c42..000000000000
--- a/pkgs/tools/security/chaps/fix_absolute_path.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-diff --git a/patches/platform2/fix_echo.patch b/patches/platform2/fix_echo.patch
-new file mode 100644
-index 0000000..d2272f6
---- /dev/null
-+++ b/patches/platform2/fix_echo.patch
-@@ -0,0 +1,12 @@
-+diff -uNr platform2/common-mk/common.mk platform2-new/common-mk/common.mk
-+--- platform2/common-mk/common.mk	2015-07-03 12:07:47.482745292 +0200
-++++ platform2-new/common-mk/common.mk	2015-07-03 12:08:16.868600569 +0200
-+@@ -263,7 +263,7 @@
-+ $(eval $(call override_var,STRIP,strip))
-+ 
-+ RMDIR ?= rmdir
-+-ECHO = /bin/echo -e
-++ECHO = echo -e
-+ 
-+ ifeq ($(lastword $(subst /, ,$(CC))),clang)
-+ CDRIVER = clang
diff --git a/pkgs/tools/security/chaps/fix_environment_variables.patch b/pkgs/tools/security/chaps/fix_environment_variables.patch
deleted file mode 100644
index 2d7ee0d9a734..000000000000
--- a/pkgs/tools/security/chaps/fix_environment_variables.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-diff --git a/extrasrc/Makefile b/extrasrc/Makefile
-index fb95845..77125c0 100644
---- a/extrasrc/Makefile
-+++ b/extrasrc/Makefile
-@@ -10,11 +10,11 @@ OUTDIR=$(SRCDIR)/out
- GMOCK_DIR=$(SRCDIR)/gmock-$(GMOCK_VER)
- GTEST_DIR=$(GMOCK_DIR)/gtest
- 
--INCLUDES="-I$(SRCDIR)/include -I$(SRCDIR)/platform2/libchromeos -isystem $(GTEST_DIR)/include -I$(GMOCK_DIR)/include -I$(SRCDIR)/leveldb/include"
-+INCLUDES="-I$(SRCDIR)/include -I$(SRCDIR)/platform2/libchromeos -isystem $(GTEST_DIR)/include -I$(GMOCK_DIR)/include -I$(SRCDIR)/leveldb/include $(NIX_LDFLAG) $(NIX_CFLAGS_COMPILE)"
- 
- # To build Chaps, defer to platform2/chaps/Makefile
- all: libchrome-$(BASE_VER).a libchromeos-$(BASE_VER).a | out
--	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR) CXXFLAGS=$(INCLUDES) OUT=$(OUTDIR) CHAPS_VERSION_MAJOR=$(CHAPS_VERSION_MAJOR) CHAPS_VERSION_MINOR=$(CHAPS_VERSION_MINOR) $(MAKE)
-+	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR):$(PKG_CONFIG_PATH) CXXFLAGS=$(INCLUDES) OUT=$(OUTDIR) CHAPS_VERSION_MAJOR=$(CHAPS_VERSION_MAJOR) CHAPS_VERSION_MINOR=$(CHAPS_VERSION_MINOR) $(MAKE)
- 
- # To build required Chromium components, defer to scons file.
- libchrome-$(BASE_VER).a:
-@@ -38,7 +38,7 @@ out/libgmock.a: out/gmock-all.o
- 	ar -rv $@ $<
- 
- test: out/libgtest.a out/libgmock.a libchrome-$(BASE_VER).a libchromeos-$(BASE_VER).a | out
--	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR) CXXFLAGS=$(INCLUDES) LDLIBS="-L$(OUTDIR)" OUT=$(OUTDIR) $(MAKE) tests
-+	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR):$(PKG_CONFIG_PATH) CXXFLAGS=$(INCLUDES) LDLIBS="-L$(OUTDIR)" OUT=$(OUTDIR) $(MAKE) tests
- 
- clean: clean_chaps clean_chromeos clean_chromebase clean_gmock clean_debian
- clean_gmock:
-@@ -49,7 +49,7 @@ clean_chromebase:
- clean_chromeos:
- 	-BASE_VER=$(BASE_VER) scons -f Sconstruct.libchromeos -c
- clean_chaps:
--	-cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR) $(MAKE) clean
-+	-cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR):$(PKG_CONFIG_PATH) $(MAKE) clean
- 	rm -rf out
- clean_debian:
- 	dh_clean
-@@ -64,4 +64,4 @@ install_man:
- 	$(INSTALL) -m 0644 -D man/chapsd.8 $(MANDIR)/man8/chapsd.8
- 	$(INSTALL) -m 0644 -D man/chaps_client.8 $(MANDIR)/man8/chaps_client.8
- install: install_man
--	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR) CXXFLAGS=$(INCLUDES) OUT=$(OUTDIR) CHAPS_VERSION_MAJOR=$(CHAPS_VERSION_MAJOR) CHAPS_VERSION_MINOR=$(CHAPS_VERSION_MINOR) $(MAKE) install_files
-+	cd platform2/chaps && BASE_VER=$(BASE_VER) LINUX_BUILD=1 PKG_CONFIG_PATH=$(SRCDIR):$(PKG_CONFIG_PATH) CXXFLAGS=$(INCLUDES) OUT=$(OUTDIR) CHAPS_VERSION_MAJOR=$(CHAPS_VERSION_MAJOR) CHAPS_VERSION_MINOR=$(CHAPS_VERSION_MINOR) $(MAKE) install_files
diff --git a/pkgs/tools/security/chaps/fix_scons.patch b/pkgs/tools/security/chaps/fix_scons.patch
deleted file mode 100644
index 54843453c868..000000000000
--- a/pkgs/tools/security/chaps/fix_scons.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-diff --git a/extrasrc/Sconstruct.libchrome b/extrasrc/Sconstruct.libchrome
-index 4feb76d..311fe8a 100644
---- a/extrasrc/Sconstruct.libchrome
-+++ b/extrasrc/Sconstruct.libchrome
-@@ -103,7 +103,7 @@ base_lib = {
-     'pc_libs' : 'glib-2.0',
- }
- 
--env = Environment()
-+env = Environment(ENV = os.environ)
- 
- BASE_VER = os.environ.get('BASE_VER', '0')
- GTEST_DIR = os.environ.get('GTEST_DIR', '0')
-diff --git a/extrasrc/Sconstruct.libchromeos b/extrasrc/Sconstruct.libchromeos
-index 1da6001..66f9acb 100644
---- a/extrasrc/Sconstruct.libchromeos
-+++ b/extrasrc/Sconstruct.libchromeos
-@@ -18,7 +18,7 @@ base_lib = {
-     'pc_libs' : 'dbus-c++-1',
- }
- 
--env = Environment()
-+env = Environment(ENV = os.environ)
- 
- PKG_CONFIG = os.environ.get('PKG_CONFIG', 'pkg-config')
- BASE_VER = os.environ.get('BASE_VER', '0')
diff --git a/pkgs/tools/security/chaps/insert_prefetches.patch b/pkgs/tools/security/chaps/insert_prefetches.patch
deleted file mode 100644
index 8b8449a6e661..000000000000
--- a/pkgs/tools/security/chaps/insert_prefetches.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-diff --git a/makefile b/makefile
-index b6865f3..c14f5ec 100644
---- a/makefile
-+++ b/makefile
-@@ -53,8 +53,8 @@ $(SRCDIR)/include/trousers/scoped_tss_type.h: extrasrc/scoped_tss_type.h | $(SRC
- 	cp $< $@
- # Chromium includes <leveldb/memenv.h>.  This requires an install of libleveldb-dev that has
- # memenv support included; move this into a local leveldb/ subdirectory
--$(SRCDIR)/include/leveldb/memenv.h: /usr/include/leveldb/helpers/memenv.h | $(SRCDIR)/include/leveldb
--	cp $< $@
-+$(SRCDIR)/include/leveldb/memenv.h: $(SRCDIR)/include/leveldb
-+	cp @@NIXOS_LEVELDB@@/include/leveldb/helpers/memenv.h $@
- # Chromium includes <include/testing/gtest/include/gtest/gtest_prod.h>, so have a local copy.
- $(SRCDIR)/include/testing/gtest/include/gtest/gtest_prod.h: extrasrc/gtest_prod.h | $(SRCDIR)/include/testing/gtest/include/gtest
- 	cp $< $@
-@@ -80,7 +80,7 @@ GMOCK_DIR=$(SRCDIR)/gmock-$(GMOCK_VERSION)
- GTEST_DIR=$(GMOCK_DIR)/gtest
- src_gmock: $(GMOCK_DIR)/LICENSE
- $(GMOCK_DIR)/LICENSE: | $(SRCDIR)
--	cd $(SRCDIR) && wget $(GMOCK_URL)
-+	cd $(SRCDIR) && cp @@NIXOS_SRC_GMOCK@@ gmock-$(GMOCK_VERSION).zip && chmod +w gmock-$(GMOCK_VERSION).zip
- 	cd $(SRCDIR) && unzip -q gmock-$(GMOCK_VERSION).zip
- 	rm $(SRCDIR)/gmock-$(GMOCK_VERSION).zip
- 	touch $@
-@@ -107,8 +107,7 @@ src_chromebase: $(SRCDIR)/base/base64.h
- $(SRCDIR)/base: | $(SRCDIR)
- 	mkdir -p $@
- $(SRCDIR)/base/base64.h: | $(SRCDIR)/base
--	git clone $(CHROMEBASE_GIT) $(SRCDIR)/base
--	cd $(SRCDIR)/base && git checkout $(CHROMEBASE_COMMIT)
-+	cp -r @@NIXOS_SRC_CHROMEBASE@@/. $(SRCDIR)/base && chmod -R +w $(SRCDIR)/base
- 
- # We need two subdirectories from the platform2 repository from ChromiumOS:
- #   - chaps/ for the Chaps source code
-@@ -119,14 +118,8 @@ $(SRCDIR)/platform2:
- PLATFORM2_GIT=https://chromium.googlesource.com/chromiumos/platform2
- PATCHES=$(wildcard $(CURDIR)/patches/platform2/*.patch)
- $(SRCDIR)/platform2/chaps/Makefile: | $(SRCDIR)/platform2
--	cd $(SRCDIR)/platform2 && git init . && git remote add -f origin $(PLATFORM2_GIT)
--	cd $(SRCDIR)/platform2 && git config core.sparsecheckout true
--	cd $(SRCDIR)/platform2 && echo "chaps" > .git/info/sparse-checkout
--	cd $(SRCDIR)/platform2 && echo "libchromeos/chromeos" >> .git/info/sparse-checkout
--	cd $(SRCDIR)/platform2 && echo "common-mk/common.mk" >> .git/info/sparse-checkout
--	cd $(SRCDIR)/platform2 && git pull origin master
--	cd $(SRCDIR)/platform2 && git checkout $(CROS_BRANCH)
--	cd $(SRCDIR)/platform2 && if [ ! -z "$(PATCHES)" ]; then git am $(PATCHES); fi
-+	cd $(SRCDIR)/platform2 && cp -r @@NIXOS_SRC_PLATFORM2@@/. . && chmod -R +w $(SRCDIR)/platform2
-+	cd $(SRCDIR)/platform2 && if [ ! -z "$(PATCHES)" ]; then patch -p1 < $(PATCHES); fi
- 
- 
- # Copy man pages
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b6946cb5e36e..a000c498ccc6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10710,8 +10710,6 @@ with pkgs;
 
   ttp = with python3.pkgs; toPythonApplication ttp;
 
-  chaps = callPackage ../tools/security/chaps { };
-
   trace-cmd = callPackage ../os-specific/linux/trace-cmd { };
 
   kernelshark = libsForQt5.callPackage ../os-specific/linux/trace-cmd/kernelshark.nix { };