diff --git a/clang/lib/AST/Interp/Interp.h b/clang/lib/AST/Interp/Interp.h
index a240d74d63425..828d4ea35526d 100644
--- a/clang/lib/AST/Interp/Interp.h
+++ b/clang/lib/AST/Interp/Interp.h
@@ -37,7 +37,6 @@
 namespace clang {
 namespace interp {
 
-using APInt = llvm::APInt;
 using APSInt = llvm::APSInt;
 
 /// Convert a value to an APValue.