diff --git a/include/prism.h b/include/prism.h
index c06e0fd2787..25ac08f68b4 100644
--- a/include/prism.h
+++ b/include/prism.h
@@ -33,9 +33,6 @@ void pm_print_node(pm_parser_t *parser, pm_node_t *node);
 
 void pm_parser_metadata(pm_parser_t *parser, const char *metadata);
 
-// Generate a scope node from the given node.
-void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous, pm_parser_t *parser);
-
 // The prism version and the serialization format.
 PRISM_EXPORTED_FUNCTION const char * pm_version(void);
 
diff --git a/src/prism.c b/src/prism.c
index c10e079f6b2..93a665c79c9 100644
--- a/src/prism.c
+++ b/src/prism.c
@@ -648,92 +648,6 @@ pm_arguments_validate_block(pm_parser_t *parser, pm_arguments_t *arguments, pm_b
     pm_parser_err_node(parser, (pm_node_t *) block, PM_ERR_ARGUMENT_UNEXPECTED_BLOCK);
 }
 
-/******************************************************************************/
-/* Scope node functions                                                       */
-/******************************************************************************/
-
-// Generate a scope node from the given node.
-void
-pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous, pm_parser_t *parser) {
-    scope->base.type = PM_SCOPE_NODE;
-    scope->base.location.start = node->location.start;
-    scope->base.location.end = node->location.end;
-
-    scope->previous = previous;
-    scope->parser = parser;
-    scope->ast_node = (pm_node_t *)node;
-    scope->parameters = NULL;
-    scope->body = NULL;
-    scope->constants = NULL;
-    if (previous) {
-        scope->constants = previous->constants;
-    }
-    scope->index_lookup_table = NULL;
-
-    pm_constant_id_list_init(&scope->locals);
-
-    switch (PM_NODE_TYPE(node)) {
-        case PM_BLOCK_NODE: {
-            pm_block_node_t *cast = (pm_block_node_t *) node;
-            if (cast->parameters) scope->parameters = cast->parameters->parameters;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_CLASS_NODE: {
-            pm_class_node_t *cast = (pm_class_node_t *) node;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_DEF_NODE: {
-            pm_def_node_t *cast = (pm_def_node_t *) node;
-            scope->parameters = cast->parameters;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_FOR_NODE: {
-            pm_for_node_t *cast = (pm_for_node_t *)node;
-            scope->body = (pm_node_t *)cast->statements;
-            break;
-        }
-        case PM_LAMBDA_NODE: {
-            pm_lambda_node_t *cast = (pm_lambda_node_t *) node;
-            if (cast->parameters) scope->parameters = cast->parameters->parameters;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_MODULE_NODE: {
-            pm_module_node_t *cast = (pm_module_node_t *) node;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_POST_EXECUTION_NODE: {
-            pm_post_execution_node_t *cast = (pm_post_execution_node_t *) node;
-            scope->body = (pm_node_t *) cast->statements;
-            break;
-        }
-        case PM_PROGRAM_NODE: {
-            pm_program_node_t *cast = (pm_program_node_t *) node;
-            scope->body = (pm_node_t *) cast->statements;
-            scope->locals = cast->locals;
-            break;
-        }
-        case PM_SINGLETON_CLASS_NODE: {
-            pm_singleton_class_node_t *cast = (pm_singleton_class_node_t *) node;
-            scope->body = cast->body;
-            scope->locals = cast->locals;
-            break;
-        }
-        default:
-            assert(false && "unreachable");
-            break;
-    }
-}
-
 /******************************************************************************/
 /* Node creation functions                                                    */
 /******************************************************************************/