diff --git a/common/src/config/config.ts b/common/src/config/config.ts
index 50964fd8c..d2c0988e6 100644
--- a/common/src/config/config.ts
+++ b/common/src/config/config.ts
@@ -204,13 +204,13 @@ const GAME_PT_CONFIGS: GamePTConfigs = {
 
 		percentMax: 100,
 
-		defaultScoreRatingAlg: "ktRating",
-		defaultSessionRatingAlg: "ktRating",
-		defaultProfileRatingAlg: "ktRating",
+		defaultScoreRatingAlg: "ktLampRating",
+		defaultSessionRatingAlg: "ktLampRating",
+		defaultProfileRatingAlg: "ktLampRating",
 
-		scoreRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
-		sessionRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
-		profileRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
+		scoreRatingAlgs: ["ktLampRating", "BPI"],
+		sessionRatingAlgs: ["ktLampRating", "BPI"],
+		profileRatingAlgs: ["ktLampRating", "BPI"],
 
 		scoreRatingAlgFormatters: {},
 		profileRatingAlgFormatters: {},
@@ -390,13 +390,13 @@ const GAME_PT_CONFIGS: GamePTConfigs = {
 
 		percentMax: 100,
 
-		defaultScoreRatingAlg: "ktRating",
-		defaultSessionRatingAlg: "ktRating",
-		defaultProfileRatingAlg: "ktRating",
+		defaultScoreRatingAlg: "ktLampRating",
+		defaultSessionRatingAlg: "ktLampRating",
+		defaultProfileRatingAlg: "ktLampRating",
 
-		scoreRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
-		sessionRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
-		profileRatingAlgs: ["ktRating", "ktLampRating", "BPI"],
+		scoreRatingAlgs: ["ktLampRating", "BPI"],
+		sessionRatingAlgs: ["ktLampRating", "BPI"],
+		profileRatingAlgs: ["ktLampRating", "BPI"],
 
 		scoreRatingAlgFormatters: {},
 		profileRatingAlgFormatters: {},
diff --git a/common/src/types.ts b/common/src/types.ts
index f38d68ab6..40fd2cd62 100644
--- a/common/src/types.ts
+++ b/common/src/types.ts
@@ -470,8 +470,8 @@ interface SessionScoreNewInfo {
 export type SessionScoreInfo = SessionScorePBInfo | SessionScoreNewInfo;
 
 export interface SessionCalculatedDataLookup {
-	"iidx:SP": "BPI" | "ktRating" | "ktLampRating";
-	"iidx:DP": "BPI" | "ktRating" | "ktLampRating";
+	"iidx:SP": "BPI" | "ktLampRating";
+	"iidx:DP": "BPI" | "ktLampRating";
 	"popn:9B": never; // @todo
 	"sdvx:Single": "VF6" | "ProfileVF6";
 	"usc:Keyboard": "VF6" | "ProfileVF6";
@@ -702,8 +702,8 @@ export interface PublicUserDocument extends MongoDBDocument {
 }
 
 export interface UGSRatingsLookup {
-	"iidx:SP": "BPI" | "ktRating" | "ktLampRating";
-	"iidx:DP": "BPI" | "ktRating" | "ktLampRating";
+	"iidx:SP": "BPI" | "ktLampRating";
+	"iidx:DP": "BPI" | "ktLampRating";
 	"popn:9B": never; // @todo
 	"sdvx:Single": "VF6";
 	"usc:Keyboard": "VF6";
@@ -1066,8 +1066,8 @@ export interface JudgementLookup {
 }
 
 export interface ScoreCalculatedDataLookup {
-	"iidx:SP": "BPI" | "ktRating" | "ktLampRating";
-	"iidx:DP": "BPI" | "ktRating" | "ktLampRating";
+	"iidx:SP": "BPI" | "ktLampRating";
+	"iidx:DP": "BPI" | "ktLampRating";
 	// "popn:9B": never; // @todo
 	"sdvx:Single": "VF6";
 	"usc:Keyboard": "VF6";