--- dyld/dyld-1066.8/cache-builder/mrm_shared_cache_builder.h
+++ dyld/dyld-957/cache-builder/mrm_shared_cache_builder.h
@@ -101,26 +101,6 @@
     bool                                        optimizeForSize;
 };
 
-// This is available when getVersion() returns 1.3 or higher
-struct BuildOptions_v3
-{
-    uint64_t                                    version;                        // Future proofing, set to 2
-    const char *                                updateName;                     // BuildTrain+UpdateNumber
-    const char *                                deviceName;
-    enum Disposition                            disposition;                    // Internal, Customer, etc.
-    enum Platform                               platform;                       // Enum: unknown, macOS, iOS, ...
-    const char **                               archs;
-    uint64_t                                    numArchs;
-    bool                                        verboseDiagnostics;
-    bool                                        isLocallyBuiltCache;
-    // Added in v2
-    bool                                        optimizeForSize;
-    // Added in v3
-    bool                                        filesRemovedFromDisk;
-    bool                                        timePasses;
-    bool                                        printStats;
-};
-
 enum FileBehavior
 {
     AddFile                                     = 0,        // New file: uid, gid, mode, data, cdhash fields must be set
@@ -128,11 +108,6 @@
 };
 
 struct FileResult
-{
-    uint64_t                                    version;
-};
-
-struct FileResult_v1
 {
     uint64_t                                    version;            // Future proofing, set to 1
     const char*                                 path;
@@ -145,20 +120,6 @@
     const char*                                 hash;
 };
 
-struct FileResult_v2
-{
-    uint64_t                                    version;            // Future proofing, set to 2
-    const char*                                 path;
-    enum FileBehavior                           behavior;
-    const uint8_t*                              data;               // May be null.  Owned by the cache builder.  Destroyed by destroySharedCacheBuilder
-    uint64_t                                    size;
-    // CDHash, must be set for new or modified files
-    const char*                                 hashArch;
-    const char*                                 hashType;
-    const char*                                 hash;
-    int                                         fd;
-    const char*                                 tempFilePath;
-};
 
 struct CacheResult
 {
@@ -184,11 +145,6 @@
 // Add a file.  Returns true on success.
 __API_AVAILABLE(macos(10.12))
 bool addFile(struct MRMSharedCacheBuilder* builder, const char* path, uint8_t* data, uint64_t size, enum FileFlags fileFlags);
-
-// Add an on-disk file (ie, a file which won't be removed by MRM).  Returns true on success.
-__API_AVAILABLE(macos(10.12))
-bool addOnDiskFile(struct MRMSharedCacheBuilder* builder, const char* path, uint8_t* data, uint64_t size, enum FileFlags fileFlags,
-                   uint64_t inode, uint64_t modTime);
 
 __API_AVAILABLE(macos(10.12))
 bool addSymlink(struct MRMSharedCacheBuilder* builder, const char* fromPath, const char* toPath);