diff --git a/view/tree2/class/props.ts b/view/tree2/class/props.ts
index ffee5224820..0809cff5152 100644
--- a/view/tree2/class/props.ts
+++ b/view/tree2/class/props.ts
@@ -18,7 +18,15 @@ namespace $ {
 			})
 		)
 
-		const props_inner = [] as $mol_tree2[]
+		const props_inner = {} as Record<string, $mol_tree2>
+
+		const add_inner = ( prop: $mol_tree2 ) => {
+			const prev = props_inner[prop.type]
+			if (prev && prev.kids[0]?.type !== prop.kids[0]?.type) {
+				this.$mol_fail(err`Different kids ${prev.span} vs ${prop.span}`)
+			}
+			props_inner[prop.type] = prop
+		}
 
 		const props_root = props.hack({
 
@@ -27,7 +35,7 @@ namespace $ {
 				const prop = this.$mol_view_tree2_child( operator )
 				
 				const defs = prop.hack( belt )
-				if( defs.length ) props_inner.push( prop.clone( defs ) )
+				if( defs.length ) add_inner( prop.clone( defs ) )
 				
 				return [ operator.clone([ prop.clone([]) ]) ]
 			},
@@ -37,7 +45,7 @@ namespace $ {
 				const prop = this.$mol_view_tree2_child( operator )
 				
 				const defs = prop.hack( belt )
-				if( defs.length ) props_inner.push( prop.clone( defs ) )
+				if( defs.length ) add_inner( prop.clone( defs ) )
 				
 				return [ operator.clone([ prop.clone([]) ]) ]
 			},
@@ -46,14 +54,14 @@ namespace $ {
 				if (operator.kids.length === 0) return [ operator ]
 				const prop = this.$mol_view_tree2_child( operator )
 				const defs = prop.hack( belt )
-				if( defs.length ) props_inner.push( prop.clone( defs ) )
+				if( defs.length ) add_inner( prop.clone( defs ) )
 				
 				return [ operator.clone([ prop.clone([]) ]) ]
 			}
 
 		})
 
-		return [ ... props_root , ... props_inner ]
+		return [ ... props_root , ... Object.values(props_inner) ]
 	}
 
 }
diff --git a/view/tree2/to/dts/dts.ts b/view/tree2/to/dts/dts.ts
index c35c9b36d0d..a8ccecff9b9 100644
--- a/view/tree2/to/dts/dts.ts
+++ b/view/tree2/to/dts/dts.ts
@@ -32,7 +32,6 @@ namespace $ {
 		
 		for( const klass of descr.kids ) {
 			
-			const methods = new Set<string>()
 			const parent = klass.kids[0]
 			const props = this.$mol_view_tree2_class_props(klass)
 			const aliases = [] as $mol_tree2[]
@@ -48,9 +47,7 @@ namespace $ {
 				... props.map( prop => {
 					
 					const name = name_of.call(this, prop)
-					if (methods.has(name)) return undefined
 
-					methods.add(name)
 					const bind_res = ( bind: $mol_tree2 )=> [
 						bind.data( 'ReturnType< ' ),
 						klass.data( klass.type ),
diff --git a/view/tree2/to/js/js.ts b/view/tree2/to/js/js.ts
index 3f96d379e36..042b302b188 100644
--- a/view/tree2/to/js/js.ts
+++ b/view/tree2/to/js/js.ts
@@ -57,17 +57,12 @@ namespace $ {
 			klass: $mol_tree2
 			addons: $mol_tree2[]
 			members: $mol_tree2[]
-			methods: Map<string, $mol_tree2>
 		},
 		prop: $mol_tree2
 	) {
-		const { klass, members, addons, methods } = acc
+		const { klass, members, addons } = acc
 		const { name, key, next } = this.$mol_view_tree2_prop_parts(prop)
 
-		if (methods.has(name)) return acc
-
-		methods.set(name, prop)
-
 		const decorate = ()=> {
 			return prop.struct( '()', [
 				prop.struct( key ? '$mol_mem_key' : '$mol_mem' ),
@@ -288,7 +283,7 @@ namespace $ {
 			const props = this.$mol_view_tree2_class_props( klass )
 			const addons = [] as $mol_tree2[]
 			const members = [] as $mol_tree2[]
-			const acc = { klass, addons, members, methods: new Map<string, $mol_tree2>() }
+			const acc = { klass, addons, members }
 
 			for( const prop of props ) {
 				try {