diff --git a/src/fot/entitylist.rs b/src/fot/entitylist.rs
index 3da4c22..a29306d 100644
--- a/src/fot/entitylist.rs
+++ b/src/fot/entitylist.rs
@@ -105,7 +105,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
                         first = false;
                     }
 
-                    let ent: Entity = rd.read_ctx(0, &mut ent_list)?;
+                    let ent: Entity = rd.read_ctx(&mut ent_list)?;
                     ent_list.ents.push(ent);
                 }
 
@@ -123,7 +123,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
                 let ent_count = rd.read_u16()?;
                 ent_list.unk1 = rd.read_u32()?;
                 for _ in 1..ent_count {
-                    let ent: Entity = rd.read_ctx(0, &mut ent_list)?;
+                    let ent: Entity = rd.read_ctx(&mut ent_list)?;
                     ent_list.ents.push(ent);
                 }
 
diff --git a/src/fot/stream.rs b/src/fot/stream.rs
index a69594f..640df70 100644
--- a/src/fot/stream.rs
+++ b/src/fot/stream.rs
@@ -58,11 +58,7 @@ impl<'a> ReadStream<'a> {
 
     // read_opt - decode with optional paramters. required for complex structure
     // with different origins (save / entfile) like entities
-    pub fn read_ctx<T: DecoderCtx<DCtx, ECtx>, DCtx, ECtx>(
-        &mut self,
-        size: usize,
-        ctx: DCtx,
-    ) -> Result<T> {
+    pub fn read_ctx<T: DecoderCtx<DCtx, ECtx>, DCtx, ECtx>(&mut self, ctx: DCtx) -> Result<T> {
         Ok(T::decode(self, ctx)?)
     }
 
diff --git a/src/fot/world.rs b/src/fot/world.rs
index a220e3a..eeaeeb8 100644
--- a/src/fot/world.rs
+++ b/src/fot/world.rs
@@ -85,7 +85,7 @@ impl DecoderCtx<WorldOffsetSize, ()> for World {
         let sgd: SGD = rd.read()?;
         let ssg: SSG = rd.read()?;
 
-        let entlist: EntityList = rd.read_ctx(0, EntityEncoding::World)?;
+        let entlist: EntityList = rd.read_ctx(EntityEncoding::World)?;
 
         let unparsed = rd.read_bytes(data.len() - rd.offset())?;