diff --git a/src/racing/race_logic.h b/src/racing/race_logic.h
index 0d4aea256..22210d4f0 100644
--- a/src/racing/race_logic.h
+++ b/src/racing/race_logic.h
@@ -39,6 +39,5 @@ void func_80290B14(void);
 
 extern f32 gLapCompletionPercentByPlayerId[];
 extern s32 gGPCurrentRaceRankByPlayerId[]; // D_801643B8 (position for each player)
-extern u16 COURSE_GHOST_LOCKED;
 
 #endif
diff --git a/src/replays.c b/src/replays.c
index 328ae7267..d8a4740de 100644
--- a/src/replays.c
+++ b/src/replays.c
@@ -5,7 +5,7 @@
  * 2. Player ghosts, which were driven by a player and can be raced against
  * 3. Staff ghosts, which can be unlocked on the raceway tracks with a fast enough time
  * All 3 use the same system for storing / replaying the inputs to reproduce a time trial
- * See process_post_TT_replay for additional technical details
+ * See process_post_time_trial_replay for additional technical details
  */
 
 #include <ultra64.h>
@@ -29,8 +29,8 @@
 extern s32 mio0encode(s32 input, s32, s32);
 extern s32 func_80040174(void*, s32, s32);
 
-u8* D_80162D80;
-s16 D_80162D84;
+u8* sReplayGhostBuffer;
+s16 sReplayGhostBufferSize;
 s16 D_80162D86;
 
 static u16 sPlayerGhostButtonsPrev;
@@ -71,8 +71,8 @@ s32 D_80162DFC;
 
 s32 D_80162E00;
 
-u32* D_800DC710 = (u32*) &D_802BFB80.arraySize8[0][2][3];
-u32* D_800DC714 = (u32*) &D_802BFB80.arraySize8[1][1][3];
+u32* sReplayGhostEncoded = (u32*) &D_802BFB80.arraySize8[0][2][3];
+u32* gReplayGhostCompressed = (u32*) &D_802BFB80.arraySize8[1][1][3];
 
 extern s32 gLapCountByPlayerId[];
 
@@ -90,7 +90,7 @@ void load_course_ghost(void) {
     sCourseGhostReplayIdx = 0;
 }
 
-void load_post_tt_replay(void) {
+void load_post_time_trial_replay(void) {
     sPostTTReplay = (u32*) &D_802BFB80.arraySize8[0][D_80162DD0][3];
     sPostTTFramesRemaining = *sPostTTReplay & REPLAY_FRAME_COUNTER;
     sPostTTReplayIdx = 0;
@@ -168,17 +168,18 @@ void set_staff_ghost(void) {
 s32 func_800051C4(void) {
     s32 phi_v0;
 
-    if (D_80162D84 != 0) {
+    if (sReplayGhostBufferSize != 0) {
         // func_80040174 in mio0_decode.s
-        func_80040174((void*) D_80162D80, (D_80162D84 * 4) + 0x20, (s32) D_800DC710);
-        phi_v0 = mio0encode((s32) D_800DC710, (D_80162D84 * 4) + 0x20, (s32) D_800DC714);
+        func_80040174((void*) sReplayGhostBuffer, (sReplayGhostBufferSize * 4) + 0x20, (s32) sReplayGhostEncoded);
+        phi_v0 =
+            mio0encode((s32) sReplayGhostEncoded, (sReplayGhostBufferSize * 4) + 0x20, (s32) gReplayGhostCompressed);
         return phi_v0 + 0x1e;
     }
 }
 
 void func_8000522C(void) {
     sPlayerGhostReplay = (u32*) &D_802BFB80.arraySize8[0][D_80162DC8][3];
-    mio0decode((u8*) D_800DC714, (u8*) sPlayerGhostReplay);
+    mio0decode((u8*) gReplayGhostCompressed, (u8*) sPlayerGhostReplay);
     sPlayerGhostFramesRemaining = (s32) (*sPlayerGhostReplay & REPLAY_FRAME_COUNTER);
     sPlayerGhostReplayIdx = 0;
     D_80162E00 = 1;
@@ -195,8 +196,8 @@ void func_800052A4(void) {
         D_80162DCC = 0;
     }
     temp_v0 = sPlayerInputIdx;
-    D_80162D80 = (void*) &D_802BFB80.arraySize8[0][D_80162DC8][3];
-    D_80162D84 = temp_v0;
+    sReplayGhostBuffer = (void*) &D_802BFB80.arraySize8[0][D_80162DC8][3];
+    sReplayGhostBufferSize = temp_v0;
     D_80162D86 = temp_v0;
 }
 
@@ -218,7 +219,7 @@ void func_80005310(void) {
         if (gModeSelection == TIME_TRIALS && gActiveScreenMode == SCREEN_MODE_1P) {
 
             if (D_8015F890 == 1) {
-                load_post_tt_replay();
+                load_post_time_trial_replay();
                 if (D_80162DD8 == 0) {
                     load_player_ghost();
                 }
@@ -264,7 +265,7 @@ void func_80005310(void) {
    bit 31: B
    bit 32: A
 */
-void process_post_TT_replay(void) {
+void process_post_time_trial_replay(void) {
     u32 inputs;
     u32 stickBytes;
     UNUSED u16 unk;
@@ -323,7 +324,7 @@ void process_post_TT_replay(void) {
     }
 }
 
-// See process_post_TT_replay comment
+// See process_post_time_trial_replay comment
 void process_course_ghost_replay(void) {
     u32 inputs;
     u32 stickBytes;
@@ -381,7 +382,7 @@ void process_course_ghost_replay(void) {
     }
 }
 
-// See process_post_TT_replay comment
+// See process_post_time_trial_replay comment
 void process_player_ghost_replay(void) {
     u32 inputs;
     u32 stickBytes;
@@ -442,7 +443,7 @@ void process_player_ghost_replay(void) {
     }
 }
 
-// See process_post_TT_replay comment
+// See process_post_time_trial_replay comment
 void save_player_replay(void) {
     s16 buttons;
     u32 inputs;
@@ -539,8 +540,8 @@ void func_80005B18(void) {
                 func_80005AE8(gPlayerTwo);
                 func_80005AE8(gPlayerThree);
             } else {
-                D_80162D80 = D_802BFB80.arraySize8[0][D_80162DC8][3].pixel_index_array;
-                D_80162D84 = D_80162D86;
+                sReplayGhostBuffer = D_802BFB80.arraySize8[0][D_80162DC8][3].pixel_index_array;
+                sReplayGhostBufferSize = D_80162D86;
                 D_80162DD0 = D_80162DCC;
                 D_80162DE8 = gPlayerOne->characterId;
                 D_80162DD8 = 0;
@@ -551,8 +552,8 @@ void func_80005B18(void) {
             }
         } else {
             if ((gLapCountByPlayerId[0] == 3) && (D_80162DDC == 0) && (gPostTTReplayCannotSave == 1)) {
-                D_80162D80 = D_802BFB80.arraySize8[0][D_80162DC8][3].pixel_index_array;
-                D_80162D84 = D_80162D86;
+                sReplayGhostBuffer = D_802BFB80.arraySize8[0][D_80162DC8][3].pixel_index_array;
+                sReplayGhostBufferSize = D_80162D86;
                 D_80162DDC = 1;
             }
             if ((gPlayerOne->type & 0x800) == 0x800) {
@@ -588,7 +589,7 @@ void func_80005E6C(void) {
             process_course_ghost_replay(); // 2
         }
         if ((gPlayerOne->type & PLAYER_CINEMATIC_MODE) != PLAYER_CINEMATIC_MODE) {
-            process_post_TT_replay(); // 1
+            process_post_time_trial_replay(); // 1
             return;
         }
         func_80005AE8(gPlayerTwo);
diff --git a/src/replays.h b/src/replays.h
index 5204c4b4f..36aecf017 100644
--- a/src/replays.h
+++ b/src/replays.h
@@ -6,14 +6,14 @@
 
 void func_80005B18(void);
 void load_course_ghost(void);
-void load_post_tt_replay(void);
+void load_post_time_trial_replay(void);
 void load_player_ghost(void);
 void set_staff_ghost(void);
 s32 func_800051C4(void);
 void func_8000522C(void);
 void func_800052A4(void);
 void func_80005310(void);
-void process_replay_replay(void);
+void process_post_time_trial_replay(void);
 void process_course_ghost_replay(void);
 void process_player_ghost_replay(void);
 void func_8000599C(void);
diff --git a/src/save.c b/src/save.c
index 14e572788..12d4631f7 100644
--- a/src/save.c
+++ b/src/save.c
@@ -734,7 +734,7 @@ u8 func_800B60E8(s32 page) {
     u32 checksum = 0;
     u8* addr;
 
-    for (i = 0, addr = (u8*) &((u8*) D_800DC714)[page * 256]; i < 256; i++) {
+    for (i = 0, addr = (u8*) &((u8*) gReplayGhostCompressed)[page * 256]; i < 256; i++) {
         checksum += (*addr++ * (page + 1) + i);
     }
     return checksum;
@@ -765,7 +765,7 @@ s32 func_800B6178(s32 arg0) {
         }
     } else {
         var_v0 = osPfsReadWriteFile(&gControllerPak1FileHandle, gControllerPak1FileNote, 1U, (arg0 * 0x3C00) + 0x100,
-                                    0x00003C00, (u8*) D_800DC714);
+                                    0x00003C00, (u8*) gReplayGhostCompressed);
         if (var_v0 == 0) {
             temp_s3->ghostDataSaved = 1;
             if (gGamestate == RACING) {
@@ -854,7 +854,7 @@ s32 func_800B64EC(s32 arg0) {
     }
 
     temp_v0 = osPfsReadWriteFile(&gControllerPak1FileHandle, gControllerPak1FileNote, PFS_READ, (arg0 * 0x3C00) + 0x100,
-                                 0x3C00, (u8*) D_800DC714);
+                                 0x3C00, (u8*) gReplayGhostCompressed);
     if (temp_v0 == 0) {
         // clang-format off
         phi_s1 = (u8 *) &D_8018EE10[arg0]; temp_s0 = 0; while (1) {
@@ -892,7 +892,7 @@ s32 func_800B65F4(s32 arg0, s32 arg1) {
             return -1;
     }
     writeStatus = osPfsReadWriteFile(&gControllerPak2FileHandle, gControllerPak2FileNote, 0U, (arg0 * 0x3C00) + 0x100,
-                                     0x00003C00, (u8*) D_800DC714);
+                                     0x00003C00, (u8*) gReplayGhostCompressed);
     if (writeStatus == 0) {
         temp_s3 = &((struct_8018EE10_entry*) gSomeDLBuffer)[arg0];
         for (i = 0; i < 0x3C; i++) {
diff --git a/src/save.h b/src/save.h
index d6e4b2bde..328ed2897 100644
--- a/src/save.h
+++ b/src/save.h
@@ -87,7 +87,7 @@ s32 func_800B6A68(void);
 /* data */
 // these might not be in this file, but for now...
 
-extern u32* D_800DC714;
+extern u32* gReplayGhostCompressed;
 extern struct_8018EE10_entry D_8018EE10[];
 
 extern u16 gCompanyCode;