diff --git a/.evergreen/download-mongodb.sh b/.evergreen/download-mongodb.sh
index 960e3013..b73f3c68 100755
--- a/.evergreen/download-mongodb.sh
+++ b/.evergreen/download-mongodb.sh
@@ -688,6 +688,14 @@ set_url_win32 ()
   MONGODB_24="https://fastdl.mongodb.org/win32/mongodb-win32-i386${DEBUG}-${VERSION_24}.zip"
 }
 
+# curl_retry emulates running curl with `--retry 5` and `--retry-all-errors`.
+curl_retry ()
+{
+  for i in 1 2 4 8 16; do
+    { curl --fail -sS --max-time 300 "$@" && return 0; } || sleep $i
+  done
+  return 1
+}
 
 # download_and_extract_package downloads a MongoDB server package.
 download_and_extract_package ()
@@ -695,10 +703,6 @@ download_and_extract_package ()
    MONGODB_DOWNLOAD_URL=$1
    EXTRACT=$2
 
-   # shellcheck disable=SC3028
-   SCRIPT_DIR=$(dirname ${BASH_SOURCE:-$0})
-   . $SCRIPT_DIR/handle-paths.sh
-
    if [ -n "${MONGODB_BINARIES:-}" ]; then
       cd "$(dirname "$(dirname "${MONGODB_BINARIES:?}")")"
    else
@@ -706,7 +710,7 @@ download_and_extract_package ()
    fi
 
    echo "Installing server binaries..."
-   "$SCRIPT_DIR/retry-with-backoff.sh" curl $MONGODB_DOWNLOAD_URL --output mongodb-binaries.tgz
+   curl_retry $MONGODB_DOWNLOAD_URL --output mongodb-binaries.tgz
 
    $EXTRACT mongodb-binaries.tgz
    echo "Installing server binaries... done."
@@ -727,10 +731,6 @@ download_and_extract_mongosh ()
    MONGOSH_DOWNLOAD_URL=$1
    EXTRACT_MONGOSH=${2:-"tar zxf"}
 
-   # shellcheck disable=SC3028
-   SCRIPT_DIR=$(dirname ${BASH_SOURCE:-$0})
-   . $SCRIPT_DIR/handle-paths.sh
-
    if [ -z "$MONGOSH_DOWNLOAD_URL" ]; then
       get_mongodb_download_url_for "$(get_distro)" latest false
    fi
@@ -742,7 +742,7 @@ download_and_extract_mongosh ()
    fi
 
    echo "Installing MongoDB shell..."
-   "$SCRIPT_DIR/retry-with-backoff.sh" curl $MONGOSH_DOWNLOAD_URL --output mongosh.tgz
+   curl_retry $MONGOSH_DOWNLOAD_URL --output mongosh.tgz
    $EXTRACT_MONGOSH mongosh.tgz
 
    rm -f mongosh.tgz
@@ -771,10 +771,6 @@ download_and_extract ()
       download_and_extract_mongosh "$MONGOSH_DOWNLOAD_URL" "$EXTRACT_MONGOSH"
    fi
 
-   # shellcheck disable=SC3028
-   SCRIPT_DIR=$(dirname ${BASH_SOURCE:-$0})
-   . $SCRIPT_DIR/handle-paths.sh
-
    if [ ! -z "${INSTALL_LEGACY_SHELL:-}" ] && [ ! -e $DRIVERS_TOOLS/mongodb/bin/mongo ] && [ ! -e $DRIVERS_TOOLS/mongodb/bin/mongo.exe ]; then
       # The legacy mongo shell is not included in server downloads of 6.0.0-rc6 or later. Refer: SERVER-64352.
       # Some test scripts use the mongo shell for setup.
@@ -829,10 +825,7 @@ download_and_extract_crypt_shared ()
    mkdir crypt_shared_download
    cd crypt_shared_download
 
-   # shellcheck disable=SC3028
-   SCRIPT_DIR=$(dirname ${BASH_SOURCE:-$0})
-   . $SCRIPT_DIR/handle-paths.sh
-   "$SCRIPT_DIR/retry-with-backoff.sh" curl $MONGO_CRYPT_SHARED_DOWNLOAD_URL --output crypt_shared-binaries.tgz
+   curl_retry $MONGO_CRYPT_SHARED_DOWNLOAD_URL --output crypt_shared-binaries.tgz
    $EXTRACT crypt_shared-binaries.tgz
 
    LIBRARY_NAME="mongo_crypt_v1"