diff --git a/R/anon_chi.R b/R/anon_chi.R
deleted file mode 100644
index 3bc0a2535..000000000
--- a/R/anon_chi.R
+++ /dev/null
@@ -1,33 +0,0 @@
-#' Convert anon_chi to CHI numbers
-#'
-#' @param anon_chi a character vector of anon_chi.
-#'
-#' @return a character vector of the corresponding CHI numbers.
-#' @family anon_chi
-convert_anon_chi_to_chi <- Vectorize(function(anon_chi) {
-  openssl::base64_decode(anon_chi) %>%
-    substr(2, 2) %>%
-    paste0(collapse = "")
-})
-
-#' Convert CHI numbers to anon_chi
-#'
-#' @param chi a character vector of CHI numbers.
-#'
-#' @return a character vector of the corresponding anon_chi.
-#' @family anon_chi
-convert_chi_to_anon_chi <- Vectorize(function(chi) {
-  if (!all(phsmethods::chi_check(chi) %in% c(
-    "Valid CHI",
-    "Missing (Blank)",
-    "Missing (NA)"
-  ))) {
-    cli::cli_abort(
-      c("There were bad CHI numbers according to {.help {.fun phsmethods::chi_check}}.",
-        "i" = "{.param chi} must contain only valid or missing CHI numbers."
-      )
-    )
-  }
-
-  openssl::base64_encode(chi)
-})
diff --git a/man/convert_anon_chi_to_chi.Rd b/man/convert_anon_chi_to_chi.Rd
deleted file mode 100644
index 292a8f3fe..000000000
--- a/man/convert_anon_chi_to_chi.Rd
+++ /dev/null
@@ -1,22 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/anon_chi.R
-\name{convert_anon_chi_to_chi}
-\alias{convert_anon_chi_to_chi}
-\title{Convert anon_chi to CHI numbers}
-\usage{
-convert_anon_chi_to_chi(anon_chi)
-}
-\arguments{
-\item{anon_chi}{a character vector of anon_chi.}
-}
-\value{
-a character vector of the corresponding CHI numbers.
-}
-\description{
-Convert anon_chi to CHI numbers
-}
-\seealso{
-Other anon_chi: 
-\code{\link{convert_chi_to_anon_chi}()}
-}
-\concept{anon_chi}
diff --git a/man/convert_chi_to_anon_chi.Rd b/man/convert_chi_to_anon_chi.Rd
deleted file mode 100644
index bec9d8875..000000000
--- a/man/convert_chi_to_anon_chi.Rd
+++ /dev/null
@@ -1,22 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/anon_chi.R
-\name{convert_chi_to_anon_chi}
-\alias{convert_chi_to_anon_chi}
-\title{Convert CHI numbers to anon_chi}
-\usage{
-convert_chi_to_anon_chi(chi)
-}
-\arguments{
-\item{chi}{a character vector of CHI numbers.}
-}
-\value{
-a character vector of the corresponding anon_chi.
-}
-\description{
-Convert CHI numbers to anon_chi
-}
-\seealso{
-Other anon_chi: 
-\code{\link{convert_anon_chi_to_chi}()}
-}
-\concept{anon_chi}
diff --git a/tests/testthat/_snaps/anon_chi.md b/tests/testthat/_snaps/anon_chi.md
deleted file mode 100644
index 577ba2368..000000000
--- a/tests/testthat/_snaps/anon_chi.md
+++ /dev/null
@@ -1,30 +0,0 @@
-# convert from anon_chi to CHI
-
-    Code
-      tibble::tibble(anon_chi = anon_chi) %>% dplyr::mutate(chi = convert_anon_chi_to_chi(
-        anon_chi))
-    Output
-      # A tibble: 5 x 2
-        anon_chi         chi       
-        <chr>            <chr>     
-      1 MDkwMTk2NTI4Ng== 0901965286
-      2 MDYwODYyNjgwNQ== 0608626805
-      3 MDkwNDc0NjIxNg== 0904746216
-      4 MTgxMjYzMTE0Ng== 1812631146
-      5 MjAwNDUzMzQ0Nw== 2004533447
-
-# convert from CHI to anon_chi
-
-    Code
-      tibble::tibble(chi = chi) %>% dplyr::mutate(anon_chi = convert_chi_to_anon_chi(
-        chi))
-    Output
-      # A tibble: 5 x 2
-        chi        anon_chi        
-        <chr>      <chr>           
-      1 0901965286 MDkwMTk2NTI4Ng==
-      2 0608626805 MDYwODYyNjgwNQ==
-      3 0904746216 MDkwNDc0NjIxNg==
-      4 1812631146 MTgxMjYzMTE0Ng==
-      5 2004533447 MjAwNDUzMzQ0Nw==
-
diff --git a/tests/testthat/_snaps/get_lookup_paths.new.md b/tests/testthat/_snaps/get_lookup_paths.new.md
new file mode 100644
index 000000000..dc4fbaa2c
--- /dev/null
+++ b/tests/testthat/_snaps/get_lookup_paths.new.md
@@ -0,0 +1,9 @@
+# gpprac reference file path returns as expected
+
+    Code
+      names(read_file(get_gpprac_ref_path()))
+    Output
+       [1] "cypher"    "praccode"  "add 1"     "add 2"     "add 3"     "add 4"    
+       [7] "postcode"  "telephone" "gms"       "chp"       "start"     "end"      
+      [13] "chpstart"  "hci"      
+
diff --git a/tests/testthat/test-anon_chi.R b/tests/testthat/test-anon_chi.R
deleted file mode 100644
index 8004a71e4..000000000
--- a/tests/testthat/test-anon_chi.R
+++ /dev/null
@@ -1,47 +0,0 @@
-test_that("convert from anon_chi to CHI", {
-  anon_chi <- c(
-    "MDkwMTk2NTI4Ng==",
-    "MDYwODYyNjgwNQ==",
-    "MDkwNDc0NjIxNg==",
-    "MTgxMjYzMTE0Ng==",
-    "MjAwNDUzMzQ0Nw=="
-  )
-
-  expect_equal(convert_anon_chi_to_chi(anon_chi),
-    c(
-      "0901965286",
-      "0608626805",
-      "0904746216",
-      "1812631146",
-      "2004533447"
-    ),
-    ignore_attr = TRUE
-  )
-
-  expect_snapshot(tibble::tibble(anon_chi = anon_chi) %>%
-    dplyr::mutate(chi = convert_anon_chi_to_chi(anon_chi)))
-})
-
-test_that("convert from CHI to anon_chi", {
-  chi <- c(
-    "0901965286",
-    "0608626805",
-    "0904746216",
-    "1812631146",
-    "2004533447"
-  )
-
-  expect_equal(convert_chi_to_anon_chi(chi),
-    c(
-      "MDkwMTk2NTI4Ng==",
-      "MDYwODYyNjgwNQ==",
-      "MDkwNDc0NjIxNg==",
-      "MTgxMjYzMTE0Ng==",
-      "MjAwNDUzMzQ0Nw=="
-    ),
-    ignore_attr = TRUE
-  )
-
-  expect_snapshot(tibble::tibble(chi = chi) %>%
-    dplyr::mutate(anon_chi = convert_chi_to_anon_chi(chi)))
-})