diff --git a/src/librustc/lib.rs b/src/librustc/lib.rs
index d8efb582eaa8..8050522d0664 100644
--- a/src/librustc/lib.rs
+++ b/src/librustc/lib.rs
@@ -162,6 +162,7 @@ pub mod util {
     pub mod ppaux;
     pub mod nodemap;
     pub mod fs;
+    pub mod time_graph;
 }
 
 // A private module so that macro-expanded idents like
diff --git a/src/librustc_codegen_utils/time_graph.rs b/src/librustc/util/time_graph.rs
similarity index 100%
rename from src/librustc_codegen_utils/time_graph.rs
rename to src/librustc/util/time_graph.rs
diff --git a/src/librustc_codegen_llvm/lib.rs b/src/librustc_codegen_llvm/lib.rs
index eee4e5f8f7a0..93d9ce1e98a4 100644
--- a/src/librustc_codegen_llvm/lib.rs
+++ b/src/librustc_codegen_llvm/lib.rs
@@ -76,10 +76,10 @@
 use rustc::session::{Session, CompileIncomplete};
 use rustc::session::config::{OutputFilenames, OutputType, PrintRequest};
 use rustc::ty::{self, TyCtxt};
+use rustc::util::time_graph;
 use rustc::util::nodemap::{FxHashSet, FxHashMap};
 use rustc_mir::monomorphize;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
-use rustc_codegen_utils::time_graph;
 
 mod diagnostics;
 
diff --git a/src/librustc_codegen_utils/lib.rs b/src/librustc_codegen_utils/lib.rs
index 0298162bbb51..4ac0e3591b3c 100644
--- a/src/librustc_codegen_utils/lib.rs
+++ b/src/librustc_codegen_utils/lib.rs
@@ -44,7 +44,6 @@
 pub mod codegen_backend;
 pub mod symbol_names;
 pub mod symbol_names_test;
-pub mod time_graph;
 pub mod llvm_target_features;
 
 /// check for the #[rustc_error] annotation, which forces an