diff --git a/src/shared/delete.c b/src/shared/delete.c
index 3e4fb62..a47cc3b 100644
--- a/src/shared/delete.c
+++ b/src/shared/delete.c
@@ -550,7 +550,7 @@ bool delete_extras(const char* dest_root, const ArrayList* manifest) {
    its root-relative form, and one outside the root returns NULL (the walk
    cannot reach it, and it is not protected data beneath the root).  Exposed so
    tests can exercise the root-of-"/" child mapping directly. */
-char* file_receive_basis_delete_relative(const Config* config, const char* path) {
+char* delete_basis_relative(const Config* config, const char* path) {
   if (!path)
     return NULL;
   if (path[0] != '/')
@@ -616,7 +616,7 @@ bool delete_skips_build(const Config* config, const ArrayList* protected_paths,
     if (basis_root_relative) {
       /* An absolute basis outside the receive root is unreachable by this walk,
          so it contributes no protection prefix (and no slot). */
-      char* relative = file_receive_basis_delete_relative(config, config->basis_dirs[i].path);
+      char* relative = delete_basis_relative(config, config->basis_dirs[i].path);
       if (!relative)
         continue;
       out->owned_prefixes[i] = relative;
diff --git a/src/shared/delete.h b/src/shared/delete.h
index 235db8c..f0921a1 100644
--- a/src/shared/delete.h
+++ b/src/shared/delete.h
@@ -146,6 +146,6 @@ void delete_skips_free(DeleteSkipSet* set);
 /* Convert one basis-directory path to the receive-root-relative protection
    prefix the delete walker uses (NULL when it lies outside the root).  Exposed
    for unit tests of the root-of-"/" and normalization edge cases. */
-char* file_receive_basis_delete_relative(const Config* config, const char* path);
+char* delete_basis_relative(const Config* config, const char* path);
 
 #endif
diff --git a/tests/test_file.c b/tests/test_file.c
index 69912f0..efb87a7 100644
--- a/tests/test_file.c
+++ b/tests/test_file.c
@@ -2255,26 +2255,26 @@ static void test_basis_delete_relative_root_slash() {
   EXPECT_NOT_NULL(cfg);
   cfg->receive_root_directory = str_dup("/");
 
-  char* rel = file_receive_basis_delete_relative(cfg, "/a");
+  char* rel = delete_basis_relative(cfg, "/a");
   EXPECT_NOT_NULL(rel);
   EXPECT_EQ_STR(rel, "a");
   free(rel);
-  rel = file_receive_basis_delete_relative(cfg, "/a/b");
+  rel = delete_basis_relative(cfg, "/a/b");
   EXPECT_NOT_NULL(rel);
   EXPECT_EQ_STR(rel, "a/b");
   free(rel);
   /* The root itself is not a child. */
-  EXPECT_NULL(file_receive_basis_delete_relative(cfg, "/"));
+  EXPECT_NULL(delete_basis_relative(cfg, "/"));
   /* A relative entry is already root-relative. */
-  rel = file_receive_basis_delete_relative(cfg, "x/y");
+  rel = delete_basis_relative(cfg, "x/y");
   EXPECT_NOT_NULL(rel);
   EXPECT_EQ_STR(rel, "x/y");
   free(rel);
   /* An absolute path outside a non-"/" root is unreachable. */
   free(cfg->receive_root_directory);
   cfg->receive_root_directory = str_dup("/root");
-  EXPECT_NULL(file_receive_basis_delete_relative(cfg, "/other/a"));
-  rel = file_receive_basis_delete_relative(cfg, "/root/a");
+  EXPECT_NULL(delete_basis_relative(cfg, "/other/a"));
+  rel = delete_basis_relative(cfg, "/root/a");
   EXPECT_NOT_NULL(rel);
   EXPECT_EQ_STR(rel, "a");
   free(rel);