1 files changed, 0 insertions, 4 deletions
diff --git a/src/runtime/c/pgf/expr.h b/src/runtime/c/pgf/expr.h
index 1c6d46c8f..a613c9666 100644
--- a/src/runtime/c/pgf/expr.h
+++ b/src/runtime/c/pgf/expr.h
@@ -12,8 +12,6 @@
 /// An abstract syntax tree
 typedef GuVariant PgfExpr;
 
-extern GU_DECLARE_TYPE(PgfExpr, GuVariant);
-
 typedef struct PgfHypo PgfHypo;
 typedef struct PgfType PgfType;
 
@@ -128,8 +126,6 @@ typedef struct {
 	PgfExpr expr;
 } PgfExprProb;
 
-extern GU_DECLARE_TYPE(PgfExprProb, struct);
-
 int
 pgf_expr_arity(PgfExpr expr);