diff --git a/include/llvm/Analysis/SyntheticCountsUtils.h b/include/llvm/Analysis/SyntheticCountsUtils.h
index b9b4c98bfc3..358f757314e 100644
--- a/include/llvm/Analysis/SyntheticCountsUtils.h
+++ b/include/llvm/Analysis/SyntheticCountsUtils.h
@@ -19,9 +19,6 @@
 
 namespace llvm {
 
-class CallGraph;
-class Function;
-
 /// Class with methods to propagate synthetic entry counts.
 ///
 /// This class is templated on the type of the call graph and designed to work