diff --git a/src/protocol/ast.rs b/src/protocol/ast.rs
index 6ad5f1ca98cfa39f02cad26fa0314df2c6f14413..87e0135bc0e117077ba4a62a7682c557ca1ae55d 100644
--- a/src/protocol/ast.rs
+++ b/src/protocol/ast.rs
@@ -932,7 +932,6 @@ pub struct StructDefinition {
     pub this: StructDefinitionId,
     pub defined_in: RootId,
     // Symbol scanning
-    pub span: InputSpan,
     pub identifier: Identifier,
     pub poly_vars: Vec<Identifier>,
     // Parsing
@@ -941,10 +940,10 @@ pub struct StructDefinition {
 
 impl StructDefinition {
     pub(crate) fn new_empty(
-        this: StructDefinitionId, defined_in: RootId, span: InputSpan,
+        this: StructDefinitionId, defined_in: RootId,
         identifier: Identifier, poly_vars: Vec<Identifier>
     ) -> Self {
-        Self{ this, defined_in, span, identifier, poly_vars, fields: Vec::new() }
+        Self{ this, defined_in, identifier, poly_vars, fields: Vec::new() }
     }
 }
 
@@ -965,7 +964,6 @@ pub struct EnumDefinition {
     pub this: EnumDefinitionId,
     pub defined_in: RootId,
     // Symbol scanning
-    pub span: InputSpan,
     pub identifier: Identifier,
     pub poly_vars: Vec<Identifier>,
     // Parsing
@@ -974,10 +972,10 @@ pub struct EnumDefinition {
 
 impl EnumDefinition {
     pub(crate) fn new_empty(
-        this: EnumDefinitionId, defined_in: RootId, span: InputSpan,
+        this: EnumDefinitionId, defined_in: RootId,
         identifier: Identifier, poly_vars: Vec<Identifier>
     ) -> Self {
-        Self{ this, defined_in, span, identifier, poly_vars, variants: Vec::new() }
+        Self{ this, defined_in, identifier, poly_vars, variants: Vec::new() }
     }
 }
 
@@ -993,7 +991,6 @@ pub struct UnionDefinition {
     pub this: UnionDefinitionId,
     pub defined_in: RootId,
     // Phase 1: symbol scanning
-    pub span: InputSpan,
     pub identifier: Identifier,
     pub poly_vars: Vec<Identifier>,
     // Phase 2: parsing
@@ -1002,10 +999,10 @@ pub struct UnionDefinition {
 
 impl UnionDefinition {
     pub(crate) fn new_empty(
-        this: UnionDefinitionId, defined_in: RootId, span: InputSpan,
+        this: UnionDefinitionId, defined_in: RootId,
         identifier: Identifier, poly_vars: Vec<Identifier>
     ) -> Self {
-        Self{ this, defined_in, span, identifier, poly_vars, variants: Vec::new() }
+        Self{ this, defined_in, identifier, poly_vars, variants: Vec::new() }
     }
 }
 
@@ -1111,7 +1108,6 @@ pub struct ProcedureDefinition {
     pub defined_in: RootId,
     // Symbol scanning
     pub kind: ProcedureKind,
-    pub span: InputSpan,
     pub identifier: Identifier,
     pub poly_vars: Vec<Identifier>,
     // Parser
@@ -1126,12 +1122,11 @@ pub struct ProcedureDefinition {
 
 impl ProcedureDefinition {
     pub(crate) fn new_empty(
-        this: ProcedureDefinitionId, defined_in: RootId, span: InputSpan,
+        this: ProcedureDefinitionId, defined_in: RootId,
         kind: ProcedureKind, identifier: Identifier, poly_vars: Vec<Identifier>
     ) -> Self {
         Self {
             this, defined_in,
-            span,
             kind, identifier, poly_vars,
             source: ProcedureSource::FuncUserDefined,
             return_type: None,