diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 6bceeebd34a170..4bf69fae7c49b5 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -6,7 +6,7 @@ env:
   # Don't mix these up!
   # runner.workspace = /home/runner/work/serenity
   # github.workspace = /home/runner/work/serenity/serenity
-  SERENITY_ROOT: ${{ github.workspace }}
+  SERENITY_SOURCE_DIR: ${{ github.workspace }}
 
 jobs:
   build_and_test_serenity:
diff --git a/Base/usr/share/man/man1/test-js.md b/Base/usr/share/man/man1/test-js.md
index 451743720fa8f1..fde6b65d45662f 100644
--- a/Base/usr/share/man/man1/test-js.md
+++ b/Base/usr/share/man/man1/test-js.md
@@ -16,7 +16,7 @@ tests are using a custom JavaScript testing framework inspired by
 
 It also supports the [test262 parser tests](https://github.com/tc39/test262-parser-tests).
 
-The test root directory is assumed to be `/home/anon/js-tests`, or `$SERENITY_ROOT/Libraries/LibJS/Tests`
+The test root directory is assumed to be `/home/anon/js-tests`, or `$SERENITY_SOURCE_DIR/Libraries/LibJS/Tests`
 when using the Lagom build. Optionally you can pass a custom path to `test-js` to override these defaults.
 
 You can disable output from `dbgln()` calls by setting the `DISABLE_DBG_OUTPUT` environment variable.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad04fb49e412d4..8ba74b58689c2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,12 +48,12 @@ add_custom_target(image
     DEPENDS qemu-image
 )
 add_custom_target(qemu-image
-    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-qemu.sh
+    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-qemu.sh
     BYPRODUCTS ${CMAKE_BINARY_DIR}/_disk_image
     USES_TERMINAL
 )
 add_custom_target(grub-image
-    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-grub.sh
+    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/build-image-grub.sh
     BYPRODUCTS ${CMAKE_BINARY_DIR}/grub_disk_image
     USES_TERMINAL
 )
@@ -68,7 +68,7 @@ add_custom_target(check-style
 )
 
 add_custom_target(install-ports
-    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/install-ports-tree.sh
+    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_SOURCE_DIR=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/install-ports-tree.sh
     USES_TERMINAL
 )
 
diff --git a/Meta/build-image-grub.sh b/Meta/build-image-grub.sh
index 7c72d1740e87a5..d4a55cc37e3ee2 100755
--- a/Meta/build-image-grub.sh
+++ b/Meta/build-image-grub.sh
@@ -27,7 +27,7 @@ disk_usage() {
     du -sm "$1" | cut -f1
 }
 
-DISK_SIZE=$(($(disk_usage "$SERENITY_ROOT/Base") + $(disk_usage Root) + 300))
+DISK_SIZE=$(($(disk_usage "$SERENITY_SOURCE_DIR/Base") + $(disk_usage Root) + 300))
 
 echo "setting up disk image..."
 if [ "$1" = "ebr" ]; then
@@ -98,7 +98,7 @@ script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
 "$script_path/build-root-filesystem.sh"
 
 if [ -z "$2" ]; then
-    grub_cfg="$SERENITY_ROOT"/Meta/grub-"${partition_scheme}".cfg
+    grub_cfg="$SERENITY_SOURCE_DIR"/Meta/grub-"${partition_scheme}".cfg
 else
     grub_cfg=$2
 fi
diff --git a/Meta/build-image-qemu.sh b/Meta/build-image-qemu.sh
index e826c556af02d2..c54f7b9a687e6d 100755
--- a/Meta/build-image-qemu.sh
+++ b/Meta/build-image-qemu.sh
@@ -23,7 +23,7 @@ disk_usage() {
     expr "$(du -sk "$1" | cut -f1)" / 1024
 }
 
-DISK_SIZE=$(($(disk_usage "$SERENITY_ROOT/Base") + $(disk_usage Root) + 100))
+DISK_SIZE=$(($(disk_usage "$SERENITY_SOURCE_DIR/Base") + $(disk_usage Root) + 100))
 
 echo "setting up disk image..."
 qemu-img create _disk_image "${DISK_SIZE:-600}"m || die "could not create disk image"
diff --git a/Meta/build-root-filesystem.sh b/Meta/build-root-filesystem.sh
index 6238fe6174f8da..62145dfc4d285e 100755
--- a/Meta/build-root-filesystem.sh
+++ b/Meta/build-root-filesystem.sh
@@ -26,19 +26,19 @@ if [ "$(id -u)" != 0 ]; then
     die "this script needs to run as root"
 fi
 
-[ -z "$SERENITY_ROOT" ] && die "SERENITY_ROOT is not set"
-[ -d "$SERENITY_ROOT/Base" ] || die "$SERENITY_ROOT/Base doesn't exist"
+[ -z "$SERENITY_SOURCE_DIR" ] && die "SERENITY_SOURCE_DIR is not set"
+[ -d "$SERENITY_SOURCE_DIR/Base" ] || die "$SERENITY_SOURCE_DIR/Base doesn't exist"
 
 umask 0022
 
 printf "installing base system... "
-$CP -PdR "$SERENITY_ROOT"/Base/* mnt/
-$CP "$SERENITY_ROOT"/Toolchain/Local/i686/i686-pc-serenity/lib/libgcc_s.so mnt/usr/lib/
+$CP -PdR "$SERENITY_SOURCE_DIR"/Base/* mnt/
+$CP "$SERENITY_SOURCE_DIR"/Toolchain/Local/i686/i686-pc-serenity/lib/libgcc_s.so mnt/usr/lib/
 $CP -PdR Root/* mnt/
 # If umask was 027 or similar when the repo was cloned,
 # file permissions in Base/ are too restrictive. Restore
 # the permissions needed in the image.
-chmod -R g+rX,o+rX "$SERENITY_ROOT"/Base/* mnt/
+chmod -R g+rX,o+rX "$SERENITY_SOURCE_DIR"/Base/* mnt/
 
 chmod 660 mnt/etc/WindowServer/WindowServer.ini
 chown $window_uid:$window_gid mnt/etc/WindowServer/WindowServer.ini
@@ -96,9 +96,9 @@ mkdir -p mnt/home/anon
 mkdir -p mnt/home/anon/Desktop
 mkdir -p mnt/home/anon/Downloads
 mkdir -p mnt/home/nona
-cp "$SERENITY_ROOT"/README.md mnt/home/anon/
-cp -r "$SERENITY_ROOT"/Userland/Libraries/LibJS/Tests mnt/home/anon/js-tests
-cp -r "$SERENITY_ROOT"/Userland/Libraries/LibWeb/Tests mnt/home/anon/web-tests
+cp "$SERENITY_SOURCE_DIR"/README.md mnt/home/anon/
+cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibJS/Tests mnt/home/anon/js-tests
+cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibWeb/Tests mnt/home/anon/web-tests
 chmod 700 mnt/root
 chmod 700 mnt/home/anon
 chmod 700 mnt/home/nona
@@ -126,14 +126,14 @@ ln -s checksum mnt/bin/sha256sum
 ln -s checksum mnt/bin/sha512sum
 echo "done"
 
-if [ -f "${SERENITY_ROOT}/Kernel/sync-local.sh" ] || [ -f "${SERENITY_ROOT}/Build/sync-local.sh" ]; then
+if [ -f "${SERENITY_SOURCE_DIR}/Kernel/sync-local.sh" ] || [ -f "${SERENITY_SOURCE_DIR}/Build/sync-local.sh" ]; then
     # TODO: Deprecated on 2021-01-30. In a few months, remove this 'if'.
     tput setaf 1
     echo
     echo "   +-----------------------------------------------------------------------------+"
     echo "   |                                                                             |"
     echo "   |  WARNING: sync-local.sh, previously located in Kernel/ and later Build/     |"
-    echo "   |           must be moved to \$SERENITY_ROOT!                                  |"
+    echo "   |           must be moved to \$SERENITY_SOURCE_DIR!                           |"
     echo "   |           See https://github.com/SerenityOS/serenity/pull/5172 for details. |"
     echo "   |                                                                             |"
     echo "   +-----------------------------------------------------------------------------+"
@@ -142,6 +142,6 @@ if [ -f "${SERENITY_ROOT}/Kernel/sync-local.sh" ] || [ -f "${SERENITY_ROOT}/Buil
 fi
 
 # Run local sync script, if it exists
-if [ -f "${SERENITY_ROOT}/sync-local.sh" ]; then
-    sh "${SERENITY_ROOT}/sync-local.sh"
+if [ -f "${SERENITY_SOURCE_DIR}/sync-local.sh" ]; then
+    sh "${SERENITY_SOURCE_DIR}/sync-local.sh"
 fi
diff --git a/Meta/install-ports-tree.sh b/Meta/install-ports-tree.sh
index ceac2058fa8b36..1003c83df4e9b0 100755
--- a/Meta/install-ports-tree.sh
+++ b/Meta/install-ports-tree.sh
@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 
-SERENITY_PORTS_DIR="${SERENITY_ROOT}/Build/${SERENITY_ARCH}/Root/usr/Ports"
+SERENITY_PORTS_DIR="${SERENITY_SOURCE_DIR}/Build/${SERENITY_ARCH}/Root/usr/Ports"
 
-for file in $(git ls-files "${SERENITY_ROOT}/Ports"); do
+for file in $(git ls-files "${SERENITY_SOURCE_DIR}/Ports"); do
     if [ "$(basename "$file")" != ".hosted_defs.sh" ]; then
-        target=${SERENITY_PORTS_DIR}/$(realpath --relative-to="${SERENITY_ROOT}/Ports" "$file")
+        target=${SERENITY_PORTS_DIR}/$(realpath --relative-to="${SERENITY_SOURCE_DIR}/Ports" "$file")
         mkdir -p "$(dirname "$target")" && cp "$file" "$target"
     fi
 done
diff --git a/Meta/refresh-serenity-qtcreator.sh b/Meta/refresh-serenity-qtcreator.sh
index f89825b0a4ec4c..3fb4653144e083 100755
--- a/Meta/refresh-serenity-qtcreator.sh
+++ b/Meta/refresh-serenity-qtcreator.sh
@@ -2,13 +2,13 @@
 
 set -e
 
-if [ -z "$SERENITY_ROOT" ]
+if [ -z "$SERENITY_SOURCE_DIR" ]
 then
-    SERENITY_ROOT="$(git rev-parse --show-toplevel)"
+    SERENITY_SOURCE_DIR="$(git rev-parse --show-toplevel)"
     echo "Serenity root not set. This is fine! Other scripts may require you to set the environment variable first, e.g.:"
-    echo "    export SERENITY_ROOT=${SERENITY_ROOT}"
+    echo "    export SERENITY_SOURCE_DIR=${SERENITY_SOURCE_DIR}"
 fi
 
-cd "$SERENITY_ROOT"
+cd "$SERENITY_SOURCE_DIR"
 
 find . \( -name Base -o -name Patches -o -name Ports -o -name Root -o -name Toolchain -o -name Build \) -prune -o \( -name '*.ipc' -or -name '*.cpp' -or -name '*.idl' -or -name '*.c' -or -name '*.h' -or -name '*.S' -or -name '*.css' -or -name '*.json' -or -name '*.gml' -or -name 'CMakeLists.txt' \) -print > serenity.files
diff --git a/Meta/run.sh b/Meta/run.sh
index 26bbc54ec084aa..12779b20c6372e 100755
--- a/Meta/run.sh
+++ b/Meta/run.sh
@@ -91,9 +91,9 @@ cd -P -- "$SERENITY_BUILD" || die "Could not cd to \"$SERENITY_BUILD\""
 if [ "$SERENITY_RUN" = "b" ]; then
     # Meta/run.sh b: bochs
     [ -z "$SERENITY_BOCHSRC" ] && {
-        # Make sure that SERENITY_ROOT is set and not empty
-        [ -z "$SERENITY_ROOT" ] && die 'SERENITY_ROOT not set or empty'
-        SERENITY_BOCHSRC="$SERENITY_ROOT/Meta/bochsrc"
+        # Make sure that SERENITY_SOURCE_DIR is set and not empty
+        [ -z "$SERENITY_SOURCE_DIR" ] && die 'SERENITY_SOURCE_DIR not set or empty'
+        SERENITY_BOCHSRC="$SERENITY_SOURCE_DIR/Meta/bochsrc"
     }
     "$SERENITY_BOCHS_BIN" -q -f "$SERENITY_BOCHSRC"
 elif [ "$SERENITY_RUN" = "qn" ]; then
diff --git a/Meta/serenity.sh b/Meta/serenity.sh
index ec412f6163de73..77672bc3c43b4d 100755
--- a/Meta/serenity.sh
+++ b/Meta/serenity.sh
@@ -106,14 +106,14 @@ create_build_dir() {
 cmd_with_target() {
     is_valid_target || ( >&2 echo "Unknown target: $TARGET"; usage )
 
-    if [ ! -d "$SERENITY_ROOT" ]; then
-        SERENITY_ROOT="$(get_top_dir)"
-        export SERENITY_ROOT
+    if [ ! -d "$SERENITY_SOURCE_DIR" ]; then
+        SERENITY_SOURCE_DIR="$(get_top_dir)"
+        export SERENITY_SOURCE_DIR
     fi
-    BUILD_DIR="$SERENITY_ROOT/Build/$TARGET"
+    BUILD_DIR="$SERENITY_SOURCE_DIR/Build/$TARGET"
     if [ "$TARGET" != "lagom" ]; then
         export SERENITY_ARCH="$TARGET"
-        TOOLCHAIN_DIR="$SERENITY_ROOT/Toolchain/Build/$TARGET"
+        TOOLCHAIN_DIR="$SERENITY_SOURCE_DIR/Toolchain/Build/$TARGET"
     fi
 }
 
@@ -140,7 +140,7 @@ delete_target() {
 }
 
 build_toolchain() {
-    ( cd "$SERENITY_ROOT/Toolchain" && ARCH="$TARGET" ./BuildIt.sh )
+    ( cd "$SERENITY_SOURCE_DIR/Toolchain" && ARCH="$TARGET" ./BuildIt.sh )
 }
 
 ensure_toolchain() {
diff --git a/Ports/.hosted_defs.sh b/Ports/.hosted_defs.sh
index ffab6a67b54051..89e89b04e55558 100644
--- a/Ports/.hosted_defs.sh
+++ b/Ports/.hosted_defs.sh
@@ -10,7 +10,7 @@ export PKG_CONFIG_DIR=""
 export PKG_CONFIG_SYSROOT_DIR="${SERENITY_BUILD_DIR}/Root"
 export PKG_CONFIG_LIBDIR="${PKG_CONFIG_SYSROOT_DIR}/usr/lib/pkgconfig/:${PKG_CONFIG_SYSROOT_DIR}/usr/local/lib/pkgconfig"
 
-# To be removed.
+# To be deprecated soon.
 export SERENITY_ROOT="$(realpath "${SCRIPT}/../")"
 
 enable_ccache
diff --git a/Ports/README.md b/Ports/README.md
index f698ff7b39faeb..42ab7d77a547f6 100644
--- a/Ports/README.md
+++ b/Ports/README.md
@@ -190,7 +190,7 @@ keyring and can later be used for verification using [`auth_opts`](#auth_opts).
 
 Options passed to `make install` in the default `install` function.
 
-`DESTDIR="${SERENITY_BUILD_DIR}/Root"` (`"${SERENITY_ROOT}/Build/${SERENITY_ARCH}/Root"`)
+`DESTDIR="${SERENITY_BUILD_DIR}/Root"` (`"${SERENITY_SOURCE_DIR}/Build/${SERENITY_ARCH}/Root"`)
 is always passed, override the `install` function if that's undesirable.
 
 #### `makeopts`
@@ -215,7 +215,7 @@ is placed in.
 The location of the ports directory, only used for the `package.db` file for
 now. Don't override this in ports contributed to Serenity.
 
-Defaults to `$SERENITY_ROOT/Ports`.
+Defaults to `$SERENITY_SOURCE_DIR/Ports`.
 
 #### `useconfigure`
 
diff --git a/Ports/SDL2/package.sh b/Ports/SDL2/package.sh
index ad1f4011121905..13ff708022e520 100755
--- a/Ports/SDL2/package.sh
+++ b/Ports/SDL2/package.sh
@@ -5,7 +5,7 @@ workdir=SDL-main-serenity
 useconfigure=true
 files="https://github.com/SerenityOS/SDL/archive/main-serenity.tar.gz SDL2-git.tar.gz 18ce496be8644b0eb7fc4cad0d8dd5ff"
 auth_type=md5
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt -DPULSEAUDIO=OFF -DJACK=OFF"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt -DPULSEAUDIO=OFF -DJACK=OFF"
 
 configure() {
     run cmake $configopts
diff --git a/Ports/SDLPoP/package.sh b/Ports/SDLPoP/package.sh
index 60fa734cbd598c..0cdee7f07ac307 100755
--- a/Ports/SDLPoP/package.sh
+++ b/Ports/SDLPoP/package.sh
@@ -4,7 +4,7 @@ useconfigure=true
 version=git
 depends="SDL2 SDL2_image"
 workdir=SDLPoP-86988c668eeaa10f218e1d4938fc5b4e42314d68
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://github.com/NagyD/SDLPoP/archive/86988c668eeaa10f218e1d4938fc5b4e42314d68.zip PoP.zip d18cae8541fb8cbcc374fd998316993d561429a83f92061bc0754337ada774c5"
 auth_type=sha256
 install_location="Root/opt/PrinceOfPersia"
diff --git a/Ports/Super-Mario/package.sh b/Ports/Super-Mario/package.sh
index 7ae580e9c82e1d..480f96ba6bc372 100755
--- a/Ports/Super-Mario/package.sh
+++ b/Ports/Super-Mario/package.sh
@@ -4,7 +4,7 @@ useconfigure=true
 version=git
 depends="SDL2 SDL2_mixer SDL2_image"
 workdir=Super-Mario-Clone-Cpp-master
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://github.com/Bennyhwanggggg/Super-Mario-Clone-Cpp/archive/refs/heads/master.zip master.zip 11f622721d1ba504acf75c024aa0dbe3"
 auth_type=md5
 install_location="Root/opt/Super_Mario"
diff --git a/Ports/c-ray/package.sh b/Ports/c-ray/package.sh
index 27a68f9bd84a94..7a93152bea5504 100755
--- a/Ports/c-ray/package.sh
+++ b/Ports/c-ray/package.sh
@@ -4,7 +4,7 @@ version=c094d64570c30c70f4003e9428d31a2a0d9d3d41
 useconfigure=true
 files="https://github.com/vkoskiv/c-ray/archive/${version}.tar.gz ${version}.tar.gz b83e3c6a1462486257dfe38d309b47c2"
 auth_type=md5
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 depends="SDL2"
 workdir="${port}-${version}"
 
diff --git a/Ports/chester/package.sh b/Ports/chester/package.sh
index c1bb8f7e087ccc..c61e5502dbf121 100755
--- a/Ports/chester/package.sh
+++ b/Ports/chester/package.sh
@@ -4,7 +4,7 @@ useconfigure=true
 version=git
 depends="SDL2"
 workdir=chester-public
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://github.com/veikkos/chester/archive/public.tar.gz chester.tar.gz f09d797209e7bfd9b1460d2540525186"
 auth_type=md5
 
diff --git a/Ports/cmake/package.sh b/Ports/cmake/package.sh
index 3e6763649d9728..499205dde156fc 100755
--- a/Ports/cmake/package.sh
+++ b/Ports/cmake/package.sh
@@ -5,7 +5,7 @@ useconfigure=true
 files="https://github.com/Kitware/CMake/releases/download/v$version/cmake-$version.tar.gz cmake-$version.tar.gz 2a71f16c61bac5402004066d193fc14e"
 auth_type=md5
 depends="bash gcc make sed ncurses"
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 
 configure() {
     run cmake $configopts .
diff --git a/Ports/cmatrix/package.sh b/Ports/cmatrix/package.sh
index 246b0d7d28ca19..46def566f30690 100755
--- a/Ports/cmatrix/package.sh
+++ b/Ports/cmatrix/package.sh
@@ -4,7 +4,7 @@ useconfigure=true
 version=git
 depends="ncurses"
 workdir=cmatrix-master
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://github.com/abishekvashok/cmatrix/archive/refs/heads/master.zip cmatrix.zip 2541321b89149b375d5732402e52d654"
 auth_type=md5
 
diff --git a/Ports/dialog/package.sh b/Ports/dialog/package.sh
index c4e921ffedaee2..d2c82df23af8fb 100755
--- a/Ports/dialog/package.sh
+++ b/Ports/dialog/package.sh
@@ -8,4 +8,4 @@ auth_type="sig"
 auth_import_key="C52048C0C0748FEE227D47A2702353E0F7E48EDB"
 auth_opts="dialog-${version}.tgz.asc dialog-${version}.tgz"
 useconfigure=true
-configopts="--prefix=/usr/local --with-ncurses --with-curses-dir=${SERENITY_ROOT}/Build/i686/Root/usr/local/include/ncurses"
+configopts="--prefix=/usr/local --with-ncurses --with-curses-dir=${SERENITY_SOURCE_DIR}/Build/i686/Root/usr/local/include/ncurses"
diff --git a/Ports/emu2/package.sh b/Ports/emu2/package.sh
index da04e3666edeb1..e63c42beee72ce 100755
--- a/Ports/emu2/package.sh
+++ b/Ports/emu2/package.sh
@@ -5,6 +5,6 @@ files="https://github.com/dmsc/emu2/archive/${version}.zip emu2-${version}.zip 2
 auth_type=md5
 
 build() {
-    export CC="${SERENITY_ROOT}/Toolchain/Local/${SERENITY_ARCH}/bin/${SERENITY_ARCH}-pc-serenity-gcc"
+    export CC="${SERENITY_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/bin/${SERENITY_ARCH}-pc-serenity-gcc"
     run make DESTDIR="${SERENITY_BUILD_DIR}/Root" CC="${CC}" $installopts
 }
diff --git a/Ports/flatbuffers/package.sh b/Ports/flatbuffers/package.sh
index 569ee4fa8b34a9..0b2ecf2c0986a0 100755
--- a/Ports/flatbuffers/package.sh
+++ b/Ports/flatbuffers/package.sh
@@ -7,7 +7,7 @@ files="https://github.com/google/flatbuffers/archive/refs/tags/v${version}.tar.g
 useconfigure=true
 # Since we are cross-compiling, we cannot build the tests, because we need
 # the flatbuffers compiler to build them
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt -DFLATBUFFERS_BUILD_TESTS=off"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt -DFLATBUFFERS_BUILD_TESTS=off"
 
 configure() {
     run cmake $configopts
diff --git a/Ports/frotz/package.sh b/Ports/frotz/package.sh
index 4147bcb8fbbc03..6229c3d00735c5 100755
--- a/Ports/frotz/package.sh
+++ b/Ports/frotz/package.sh
@@ -9,7 +9,7 @@ depends="ncurses"
 build() {
     run make \
         PKG_CONFIG_CURSES=no \
-        CURSES_CFLAGS="-I${SERENITY_ROOT}/Build/i686/Root/usr/local/include/ncurses" \
+        CURSES_CFLAGS="-I${SERENITY_SOURCE_DIR}/Build/i686/Root/usr/local/include/ncurses" \
         CURSES_LDFLAGS="-lncurses -ltinfo" \
         CURSES=ncurses \
         USE_UTF8=no \
diff --git a/Ports/genemu/package.sh b/Ports/genemu/package.sh
index b683796604b665..7259a844d6d85e 100755
--- a/Ports/genemu/package.sh
+++ b/Ports/genemu/package.sh
@@ -4,7 +4,7 @@ version=3bf6f7cd893db3451019d6e18a2d9ad1de0e7c8c
 useconfigure=true
 files="https://github.com/rasky/genemu/archive/${version}.tar.gz genemu-${version}.tar.gz 5704a21341ea56d026601e48e08f4605"
 auth_type=md5
-configopts="-DCMAKE_TOOLCHAIN_FILE=${SERENITY_ROOT}/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=${SERENITY_SOURCE_DIR}/Toolchain/CMake/CMakeToolchain.txt"
 depends="SDL2"
 
 configure() {
diff --git a/Ports/hatari/package.sh b/Ports/hatari/package.sh
index 84c564e2166396..aaec6041942624 100755
--- a/Ports/hatari/package.sh
+++ b/Ports/hatari/package.sh
@@ -5,7 +5,7 @@ version=2.4.0-devel
 depends="SDL2 zlib"
 commit=353379e1f8a847cc0e284541d2b40fd49d175d22
 workdir="${port}-${commit}"
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://github.com/hatari/hatari/archive/${commit}.tar.gz ${commit}.tar.gz 614d8c20a06deea6df464a5de32cc795"
 auth_type=md5
 
diff --git a/Ports/libzip/package.sh b/Ports/libzip/package.sh
index 08883415dd0d79..e951a2dcedb9b6 100755
--- a/Ports/libzip/package.sh
+++ b/Ports/libzip/package.sh
@@ -4,7 +4,7 @@ useconfigure=true
 version=1.7.3
 depends="zlib"
 workdir=libzip-${version}
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 files="https://libzip.org/download/libzip-${version}.tar.gz libzip-${version}.tar.gz 76f8fea9b88f6ead7f15ed7712eb5aef"
 auth_type=md5
 
diff --git a/Ports/nesalizer/package.sh b/Ports/nesalizer/package.sh
index 2aab4dbae9a5cf..050c7df3730f1c 100755
--- a/Ports/nesalizer/package.sh
+++ b/Ports/nesalizer/package.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env -S bash ../.port_include.sh
 port=nesalizer
 version=master
-makeopts="CONF=release EXTRA=-I${SERENITY_ROOT}/Build/i686/Root/usr/local/include/SDL2"
+makeopts="CONF=release EXTRA=-I${SERENITY_SOURCE_DIR}/Build/i686/Root/usr/local/include/SDL2"
 files="https://github.com/SerenityOS/nesalizer/archive/master.zip nesalizer-master.zip 0bbcde24c2366ced827ad63935f557cf"
 auth_type=md5
 depends=SDL2
diff --git a/Ports/oksh/package.sh b/Ports/oksh/package.sh
index f2354b3c563918..5301acaa08f9b7 100755
--- a/Ports/oksh/package.sh
+++ b/Ports/oksh/package.sh
@@ -8,7 +8,7 @@ files="https://github.com/ibara/oksh/releases/download/oksh-${version}/oksh-${ve
 auth_type=md5
 
 configure() {
-    export CC=${SERENITY_ROOT}/Toolchain/Local/${SERENITY_ARCH}/bin/${SERENITY_ARCH}-pc-serenity-gcc 
+    export CC=${SERENITY_SOURCE_DIR}/Toolchain/Local/${SERENITY_ARCH}/bin/${SERENITY_ARCH}-pc-serenity-gcc 
     export CFLAGS="" 
     export LDFLAGS="-lncurses" 
     run ./configure --no-thanks
diff --git a/Ports/pt2-clone/package.sh b/Ports/pt2-clone/package.sh
index 4d1bf693c196bf..5545e2e3904e7c 100755
--- a/Ports/pt2-clone/package.sh
+++ b/Ports/pt2-clone/package.sh
@@ -4,7 +4,7 @@ version=1.28
 useconfigure=true
 files="https://github.com/8bitbubsy/pt2-clone/archive/v${version}.tar.gz v${version}.tar.gz 42df939c03b7e598ed8b17a764150860"
 auth_type=md5
-configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_ROOT/Toolchain/CMake/CMakeToolchain.txt"
+configopts="-DCMAKE_TOOLCHAIN_FILE=$SERENITY_SOURCE_DIR/Toolchain/CMake/CMakeToolchain.txt"
 depends="SDL2"
 
 configure() {
diff --git a/Ports/python3/package.sh b/Ports/python3/package.sh
index 62d2b15ed7e249..3342f4896ba758 100755
--- a/Ports/python3/package.sh
+++ b/Ports/python3/package.sh
@@ -27,7 +27,7 @@ pre_configure() {
 }
 
 post_configure() {
-    run cp "${SERENITY_ROOT}/Ports/${port}/Setup.local" "Modules/Setup.local"
+    run cp "${SERENITY_SOURCE_DIR}/Ports/${port}/Setup.local" "Modules/Setup.local"
 }
 
 if [ -x "$(command -v python3)" ]; then
diff --git a/Toolchain/CMake/CMakeToolchain.txt b/Toolchain/CMake/CMakeToolchain.txt
index 7d9920ee2c3f08..ef2551e9436a06 100644
--- a/Toolchain/CMake/CMakeToolchain.txt
+++ b/Toolchain/CMake/CMakeToolchain.txt
@@ -4,15 +4,15 @@ if (NOT DEFINED ENV{SERENITY_ARCH})
     message(FATAL_ERROR "SERENITY_ARCH not set.")
 endif()
 
-if (NOT DEFINED ENV{SERENITY_ROOT})
-    message(FATAL_ERROR "SERENITY_ROOT not set.")
+if (NOT DEFINED ENV{SERENITY_SOURCE_DIR})
+    message(FATAL_ERROR "SERENITY_SOURCE_DIR not set.")
 endif()
 
 set(SERENITYOS 1)
 
 set(CMAKE_SYSTEM_PROCESSOR "$ENV{SERENITY_ARCH}")
 
-set(SERENITY_BUILD_DIR $ENV{SERENITY_ROOT}/Build/$ENV{SERENITY_ARCH})
+set(SERENITY_BUILD_DIR $ENV{SERENITY_SOURCE_DIR}/Build/$ENV{SERENITY_ARCH})
 
 # where to read from/write to
 set(CMAKE_SYSROOT ${SERENITY_BUILD_DIR}/Root)
@@ -28,4 +28,4 @@ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 
-list(APPEND CMAKE_MODULE_PATH "$ENV{SERENITY_ROOT}/Toolchain/CMake")
+list(APPEND CMAKE_MODULE_PATH "$ENV{SERENITY_SOURCE_DIR}/Toolchain/CMake")
diff --git a/Userland/Utilities/test-js.cpp b/Userland/Utilities/test-js.cpp
index e9fb4e51934c3f..8b312ab77d6dd3 100644
--- a/Userland/Utilities/test-js.cpp
+++ b/Userland/Utilities/test-js.cpp
@@ -744,12 +744,12 @@ int main(int argc, char** argv)
 #ifdef __serenity__
         test_root = "/home/anon/js-tests";
 #else
-        char* serenity_root = getenv("SERENITY_ROOT");
-        if (!serenity_root) {
-            warnln("No test root given, test-js requires the SERENITY_ROOT environment variable to be set");
+        char* serenity_source_dir = getenv("SERENITY_SOURCE_DIR");
+        if (!serenity_source_dir) {
+            warnln("No test root given, test-js requires the SERENITY_SOURCE_DIR environment variable to be set");
             return 1;
         }
-        test_root = String::formatted("{}/Userland/Libraries/LibJS/Tests", serenity_root);
+        test_root = String::formatted("{}/Userland/Libraries/LibJS/Tests", serenity_source_dir);
 #endif
     }
     if (!Core::File::is_directory(test_root)) {
diff --git a/Userland/Utilities/test-web.cpp b/Userland/Utilities/test-web.cpp
index e03445204a79e0..a05f0ae60be24d 100644
--- a/Userland/Utilities/test-web.cpp
+++ b/Userland/Utilities/test-web.cpp
@@ -676,12 +676,12 @@ int main(int argc, char** argv)
 #ifdef __serenity__
     TestRunner("/home/anon/web-tests", "/home/anon/js-tests", view, print_times).run();
 #else
-    char* serenity_root = getenv("SERENITY_ROOT");
-    if (!serenity_root) {
-        printf("test-web requires the SERENITY_ROOT environment variable to be set");
+    char* serenity_source_dir = getenv("SERENITY_SOURCE_DIR");
+    if (!serenity_source_dir) {
+        printf("test-web requires the SERENITY_SOURCE_DIR environment variable to be set");
         return 1;
     }
-    TestRunner(String::format("%s/Userland/Libraries/LibWeb/Tests", serenity_root), String::format("%s/Userland/Libraries/LibJS/Tests", serenity_root), view, print_times).run();
+    TestRunner(String::format("%s/Userland/Libraries/LibWeb/Tests", serenity_source_dir), String::format("%s/Userland/Libraries/LibJS/Tests", serenity_source_dir), view, print_times).run();
 #endif
     return 0;
 }