diff --git a/packaging/functions.sh b/packaging/functions.sh
index 29c8f1ccc8..7d5a41eff7 100755
--- a/packaging/functions.sh
+++ b/packaging/functions.sh
@@ -16,7 +16,6 @@
 #   COPY_D2K_DLL: If set to True the OpenRA.Mods.D2k.dll will also be copied (True, False)
 # Used by:
 #   Makefile (install target for local installs and downstream packaging)
-#   Linux AppImage packaging
 #   Mod SDK Linux AppImage packaging
 #   Mod SDK macOS packaging
 #   Mod SDK Windows packaging
@@ -107,6 +106,7 @@ install_assemblies_mono() {
 # Used by:
 #   Windows packaging
 #   macOS packaging
+#   Linux AppImage packaging
 install_assemblies() {
 	SRC_PATH="${1}"
 	DEST_PATH="${2}"
diff --git a/packaging/linux/AppRun.in b/packaging/linux/AppRun.in
index 475fad2455..e2db84d4bb 100755
--- a/packaging/linux/AppRun.in
+++ b/packaging/linux/AppRun.in
@@ -2,43 +2,15 @@
 
 HERE="$(dirname "$(readlink -f "${0}")")"
 
-# Stash original environment values so they can be restored
-# when switching to other mods using restore-environment
-export OPENRA_ORIG_PATH="${PATH}"
-export OPENRA_ORIG_XDG_DATA_DIRS="${XDG_DATA_DIRS}"
-export OPENRA_ORIG_DYLD_LIBRARY_PATH="${DYLD_LIBRARY_PATH}"
-export OPENRA_ORIG_LD_LIBRARY_PATH="${LD_LIBRARY_PATH}"
-export OPENRA_ORIG_MONO_PATH="${MONO_PATH}"
-export OPENRA_ORIG_MONO_CFG_DIR="${MONO_CFG_DIR}"
-export OPENRA_ORIG_MONO_CONFIG="${MONO_CONFIG}"
-
-# Override runtime paths to use bundled mono and shared libraries
-export PATH="${HERE}/usr/bin:${PATH}"
-export XDG_DATA_DIRS="${HERE}/usr/share:${XDG_DATA_DIRS}"
-export DYLD_LIBRARY_PATH="${HERE}/usr/lib:${DYLD_LIBRARY_PATH}"
-export LD_LIBRARY_PATH="${HERE}/usr/lib:${LD_LIBRARY_PATH}"
-export MONO_PATH="${HERE}/usr/lib/mono/4.5"
-export MONO_CFG_DIR="${HERE}/etc"
-export MONO_CONFIG="${HERE}/etc/mono/config"
-
-# Update/create the mono certificate store to enable https web queries
-if [ -f "/etc/pki/tls/certs/ca-bundle.crt" ]; then
-	mono "${HERE}/usr/lib/mono/4.5/cert-sync.exe" --quiet --user /etc/pki/tls/certs/ca-bundle.crt
-elif [ -f "/etc/ssl/certs/ca-certificates.crt" ]; then
-	mono "${HERE}/usr/lib/mono/4.5/cert-sync.exe" --quiet --user /etc/ssl/certs/ca-certificates.crt
-else
-	echo "WARNING: Unable to sync system certificate store - https requests will fail"
-fi
-
 # Run the game or server
 if [ -n "$1" ] && [ "$1" = "--server" ]; then
 	# Drop the --server argument
 	shift
-	exec "openra-{MODID}-server" "$@"
+	"${HERE}/usr/bin/openra-{MODID}-server" "$@"
 elif [ -n "$1" ] && [ "$1" = "--utility" ]; then
 	# Drop the --utility argument
 	shift
-	exec "openra-{MODID}-utility" "$@"
+	"${HERE}/usr/bin/openra-{MODID}-utility" "$@"
 else
-	exec "openra-{MODID}" "$@"
+	"${HERE}/usr/bin/openra-{MODID}" "$@"
 fi
diff --git a/packaging/linux/buildpackage.sh b/packaging/linux/buildpackage.sh
index 47d528a6e9..f8147f1c4a 100755
--- a/packaging/linux/buildpackage.sh
+++ b/packaging/linux/buildpackage.sh
@@ -19,7 +19,6 @@ cd "$(dirname "$0")" || exit 1
 TAG="$1"
 OUTPUTDIR="$2"
 SRCDIR="$(pwd)/../.."
-BUILTDIR="$(pwd)/build"
 ARTWORK_DIR="$(pwd)/../artwork/"
 
 UPDATE_CHANNEL=""
@@ -43,28 +42,16 @@ if [ ! -d "${OUTPUTDIR}" ]; then
 fi
 
 # Add native libraries
-echo "Downloading dependencies"
+echo "Downloading appimagetool"
 if command -v curl >/dev/null 2>&1; then
-	curl -s -L -O https://github.com/OpenRA/AppImageSupport/releases/download/${DEPENDENCIES_TAG}/mono.tar.bz2 || exit 3
 	curl -s -L -O https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage || exit 3
 else
-	wget -cq https://github.com/OpenRA/AppImageSupport/releases/download/${DEPENDENCIES_TAG}/mono.tar.bz2 || exit 3
 	wget -cq https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage || exit 3
 fi
 
 chmod a+x appimagetool-x86_64.AppImage
 
-echo "Building AppImage"
-mkdir "${BUILTDIR}"
-tar xf mono.tar.bz2 -C "${BUILTDIR}"
-chmod 0755 "${BUILTDIR}/usr/bin/mono"
-chmod 0644 "${BUILTDIR}/etc/mono/config"
-chmod 0644 "${BUILTDIR}/etc/mono/4.5/machine.config"
-chmod 0644 "${BUILTDIR}/usr/lib/mono/4.5/Facades/"*.dll
-chmod 0644 "${BUILTDIR}/usr/lib/mono/4.5/"*.dll "${BUILTDIR}/usr/lib/mono/4.5/"*.exe
-chmod 0755 "${BUILTDIR}/usr/lib/"*.so
-
-rm -rf mono.tar.bz2
+echo "Building AppImages"
 
 build_appimage() {
 	MOD_ID=${1}
@@ -73,14 +60,12 @@ build_appimage() {
 	APPDIR="$(pwd)/${MOD_ID}.appdir"
 	APPIMAGE="OpenRA-$(echo "${DISPLAY_NAME}" | sed 's/ /-/g')${SUFFIX}-x86_64.AppImage"
 
-	cp -r "${BUILTDIR}" "${APPDIR}"
-
 	IS_D2K="False"
 	if [ "${MOD_ID}" = "d2k" ]; then
 		IS_D2K="True"
 	fi
 
-	install_assemblies_mono "${SRCDIR}" "${APPDIR}/usr/lib/openra" "linux-x64" "True" "True" "${IS_D2K}"
+	install_assemblies "${SRCDIR}" "${APPDIR}/usr/lib/openra" "linux-x64" "True" "True" "${IS_D2K}"
 	install_data "${SRCDIR}" "${APPDIR}/usr/lib/openra" "${MOD_ID}"
 	set_engine_version "${TAG}" "${APPDIR}/usr/lib/openra"
 	set_mod_version "${TAG}" "${APPDIR}/usr/lib/openra/mods/${MOD_ID}/mod.yaml" "${APPDIR}/usr/lib/openra/mods/modcontent/mod.yaml"
@@ -111,6 +96,7 @@ build_appimage() {
 		fi
 	done
 
+	mkdir -p "${APPDIR}/usr/bin"
 	sed "s/{MODID}/${MOD_ID}/g" openra.appimage.in | sed "s/{TAG}/${TAG}/g" | sed "s/{MODNAME}/${DISPLAY_NAME}/g" > "${APPDIR}/usr/bin/openra-${MOD_ID}"
 	chmod 0755 "${APPDIR}/usr/bin/openra-${MOD_ID}"
 
@@ -121,7 +107,6 @@ build_appimage() {
 	chmod 0755 "${APPDIR}/usr/bin/openra-${MOD_ID}-utility"
 
 	install -m 0755 gtk-dialog.py "${APPDIR}/usr/bin/gtk-dialog.py"
-	install -m 0755 restore-environment.sh "${APPDIR}/usr/bin/restore-environment.sh"
 
 	# Embed update metadata if (and only if) compiled on GitHub Actions
 	if [ -n "${GITHUB_REPOSITORY}" ]; then
diff --git a/packaging/linux/openra-server.appimage.in b/packaging/linux/openra-server.appimage.in
index dc089a9b76..7ea13ffa98 100755
--- a/packaging/linux/openra-server.appimage.in
+++ b/packaging/linux/openra-server.appimage.in
@@ -2,4 +2,4 @@
 HERE="$(dirname "$(readlink -f "${0}")")"
 cd "${HERE}/../lib/openra" || exit 1
 
-mono --debug OpenRA.Server.dll Game.Mod="{MODID}" "$@"
+./OpenRA.Server Game.Mod="{MODID}" "$@"
diff --git a/packaging/linux/openra-utility.appimage.in b/packaging/linux/openra-utility.appimage.in
index cf123fd748..b40563cbc5 100755
--- a/packaging/linux/openra-utility.appimage.in
+++ b/packaging/linux/openra-utility.appimage.in
@@ -2,4 +2,4 @@
 
 # OpenRA.Utility relies on keeping the original working directory, so don't change directory
 HERE="$(dirname "$(readlink -f "${0}")")"
-mono --debug "${HERE}/../lib/openra/OpenRA.Utility.dll" {MODID} "$@"
+"${HERE}/../lib/openra/OpenRA.Utility" {MODID} "$@"
diff --git a/packaging/linux/openra.appimage.in b/packaging/linux/openra.appimage.in
index 130517270a..727545f5c2 100755
--- a/packaging/linux/openra.appimage.in
+++ b/packaging/linux/openra.appimage.in
@@ -35,7 +35,7 @@ fi
 
 # Run the game
 export SDL_VIDEO_X11_WMCLASS="openra-{MODID}-{TAG}"
-mono --debug OpenRA.dll Game.Mod={MODID} Engine.LaunchPath="${LAUNCHER}" Engine.LaunchWrapper="${HERE}/restore-environment.sh" "${JOIN_SERVER}" "$@"
+./OpenRA Game.Mod={MODID} Engine.LaunchPath="${LAUNCHER}" "${JOIN_SERVER}" "$@"
 
 # Show a crash dialog if something went wrong
 if [ $? != 0 ] && [ $? != 1 ]; then
diff --git a/packaging/linux/restore-environment.sh b/packaging/linux/restore-environment.sh
deleted file mode 100755
index d00b930289..0000000000
--- a/packaging/linux/restore-environment.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/sh
-
-# Restore the environment variables that were set by AppRun
-export PATH="${OPENRA_ORIG_PATH}"
-export XDG_DATA_DIRS="${OPENRA_ORIG_XDG_DATA_DIRS}"
-export DYLD_LIBRARY_PATH="${OPENRA_ORIG_DYLD_LIBRARY_PATH}"
-export LD_LIBRARY_PATH="${OPENRA_ORIG_LD_LIBRARY_PATH}"
-unset OPENRA_ORIG_PATH OPENRA_ORIG_XDG_DATA_DIRS OPENRA_ORIG_DYLD_LIBRARY_PATH OPENRA_ORIG_LD_LIBRARY_PATH
-
-unset MONO_PATH MONO_CFG_DIR MONO_CONFIG
-if [ -n "${OPENRA_ORIG_MONO_PATH}" ]; then
-	export MONO_PATH="${OPENRA_ORIG_MONO_PATH}"
-fi
-
-if [ -n "${OPENRA_ORIG_MONO_CFG_DIR}" ]; then
-	export MONO_CFG_DIR="${OPENRA_ORIG_MONO_CFG_DIR}"
-fi
-
-if [ -n "${OPENRA_ORIG_MONO_CONFIG}" ]; then
-	export MONO_CONFIG="${OPENRA_ORIG_MONO_CONFIG}"
-fi
-
-unset SDL_VIDEO_X11_WMCLASS OPENRA_ORIG_MONO_PATH OPENRA_ORIG_MONO_CFG_DIR OPENRA_ORIG_MONO_CONFIG
-
-# Run the given command
-exec "$@"
\ No newline at end of file