diff --git a/common/src/config/game-support/maimai-dx.ts b/common/src/config/game-support/maimai-dx.ts
index e7321c5af..8a064da47 100644
--- a/common/src/config/game-support/maimai-dx.ts
+++ b/common/src/config/game-support/maimai-dx.ts
@@ -63,7 +63,6 @@ const MaimaiDXMatchingClasses = [
 	ClassValue("B2", "B2"),
 	ClassValue("B1", "B1"),
 
-	ClassValue("A5", "A5"),
 	ClassValue("A5", "A5"),
 	ClassValue("A4", "A4"),
 	ClassValue("A3", "A3"),
diff --git a/docs/docs/game-support/games/maimaidx-Single.md b/docs/docs/game-support/games/maimaidx-Single.md
index bb08d9e3a..63a7975af 100644
--- a/docs/docs/game-support/games/maimaidx-Single.md
+++ b/docs/docs/game-support/games/maimaidx-Single.md
@@ -79,7 +79,7 @@ The folowing judgements are defined:
 | :: | :: | :: |
 | `colour` | DERIVED | WHITE, BLUE, GREEN, YELLOW, RED, PURPLE, BRONZE, SILVER, GOLD, PLATINUM, RAINBOW
 | `dan` | PROVIDED | DAN_1, DAN_2, DAN_3, DAN_4, DAN_5, DAN_6, DAN_7, DAN_8, DAN_9, DAN_10, SHINDAN_1, SHINDAN_2, SHINDAN_3, SHINDAN_4, SHINDAN_5, SHINDAN_6, SHINDAN_7, SHINDAN_8, SHINDAN_9, SHINDAN_10, SHINKAIDEN, URAKAIDEN
-| `matchingClass` | PROVIDED | B5, B4, B3, B2, B1, A5, A5, A4, A3, A2, A1, S5, S4, S3, S2, S1, SS5, SS4, SS3, SS2, SS1, SSS5, SSS4, SSS3, SSS2, SSS1, LEGEND
+| `matchingClass` | PROVIDED | B5, B4, B3, B2, B1, A5, A4, A3, A2, A1, S5, S4, S3, S2, S1, SS5, SS4, SS3, SS2, SS1, SSS5, SSS4, SSS3, SSS2, SSS1, LEGEND
 
 ## Versions
 
@@ -93,4 +93,4 @@ The folowing judgements are defined:
 ## Supported Match Types
 
 - `songTitle`
-- `tachiSongID`
\ No newline at end of file
+- `tachiSongID`