diff --git a/src/ast/ast.cpp b/src/ast/ast.cpp
index 0004aaa42..56a89d346 100644
--- a/src/ast/ast.cpp
+++ b/src/ast/ast.cpp
@@ -542,22 +542,6 @@ inline unsigned ast_array_hash(T * const * array, unsigned size, unsigned init_v
     } }
 }
 
-unsigned get_asts_hash(unsigned sz, ast * const* ns, unsigned init) {
-    return ast_array_hash<ast>(ns, sz, init);
-}
-unsigned get_apps_hash(unsigned sz, app * const* ns, unsigned init) {
-    return ast_array_hash<app>(ns, sz, init);
-}
-unsigned get_exprs_hash(unsigned sz, expr * const* ns, unsigned init) {
-    return ast_array_hash<expr>(ns, sz, init);
-}
-unsigned get_sorts_hash(unsigned sz, sort * const* ns, unsigned init) {
-    return ast_array_hash<sort>(ns, sz, init);
-}
-unsigned get_decl_hash(unsigned sz, func_decl* const* ns, unsigned init) {
-    return ast_array_hash<func_decl>(ns, sz, init);
-}
-
 unsigned get_node_hash(ast const * n) {
     unsigned a, b, c;
 
diff --git a/src/ast/ast.h b/src/ast/ast.h
index d7a715cd1..b4b3b1b2f 100644
--- a/src/ast/ast.h
+++ b/src/ast/ast.h
@@ -970,11 +970,6 @@ inline quantifier const * to_quantifier(ast const * n) { SASSERT(is_quantifier(n
 unsigned get_node_hash(ast const * n);
 bool compare_nodes(ast const * n1, ast const * n2);
 unsigned get_node_size(ast const * n);
-unsigned get_asts_hash(unsigned sz, ast * const* ns, unsigned init);
-unsigned get_apps_hash(unsigned sz, app * const* ns, unsigned init);
-unsigned get_exprs_hash(unsigned sz, expr * const* ns, unsigned init);
-unsigned get_sorts_hash(unsigned sz, sort * const* ns, unsigned init);
-unsigned get_decl_hash(unsigned sz, func_decl* const* ns, unsigned init);
 
 // This is the internal comparison functor for hash-consing AST nodes.
 struct ast_eq_proc {