diff --git a/build.gradle b/build.gradle
index 00b5e82599..284006e260 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ plugins {
 	id 'java' // for jd gen
 }
 
-def minecraft_version = "20w20a"
+def minecraft_version = "20w20b"
 
 def ENV = System.getenv()
 // Fetch build number from Jenkins
diff --git a/mappings/net/minecraft/server/MinecraftServer.mapping b/mappings/net/minecraft/server/MinecraftServer.mapping
index 024d81c11b..a42983e489 100644
--- a/mappings/net/minecraft/server/MinecraftServer.mapping
+++ b/mappings/net/minecraft/server/MinecraftServer.mapping
@@ -65,8 +65,6 @@ CLASS net/minecraft/server/MinecraftServer
 	FIELD field_4604 pvpEnabled Z
 	FIELD field_4607 resourcePackUrl Ljava/lang/String;
 	FIELD field_4608 gameProfileRepo Lcom/mojang/authlib/GameProfileRepository;
-	METHOD main ([Ljava/lang/String;)V
-		ARG 0 args
 	METHOD method_15876 getMetricsData ()Lnet/minecraft/class_3517;
 	METHOD method_16043 isStopping ()Z
 	METHOD method_16044 getProfiler ()Lnet/minecraft/class_3695;