diff --git a/ast27/Parser/parser.c b/ast27/Parser/parser.c
index d4367537..e2d30c38 100644
--- a/ast27/Parser/parser.c
+++ b/ast27/Parser/parser.c
@@ -371,22 +371,6 @@ showtree(grammar *g, node *n)
         printf("? ");
 }
 
-void
-printtree(parser_state *ps)
-{
-    if (Py_DebugFlag) {
-        printf("Parse tree:\n");
-        dumptree(ps->p_grammar, ps->p_tree);
-        printf("\n");
-        printf("Tokens:\n");
-        showtree(ps->p_grammar, ps->p_tree);
-        printf("\n");
-    }
-    printf("Listing:\n");
-    PyNode_ListTree(ps->p_tree);
-    printf("\n");
-}
-
 #endif /* Py_DEBUG */
 
 /*
diff --git a/ast3/Parser/parser.c b/ast3/Parser/parser.c
index 102a1698..1d8900ba 100644
--- a/ast3/Parser/parser.c
+++ b/ast3/Parser/parser.c
@@ -382,22 +382,6 @@ showtree(grammar *g, node *n)
         printf("? ");
 }
 
-void
-printtree(parser_state *ps)
-{
-    if (Py_DebugFlag) {
-        printf("Parse tree:\n");
-        dumptree(ps->p_grammar, ps->p_tree);
-        printf("\n");
-        printf("Tokens:\n");
-        showtree(ps->p_grammar, ps->p_tree);
-        printf("\n");
-    }
-    printf("Listing:\n");
-    PyNode_ListTree(ps->p_tree);
-    printf("\n");
-}
-
 #endif /* Py_DEBUG */
 
 /*