diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/GCCBuiltinSymbolProvider.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/GCCBuiltinSymbolProvider.java
index 0ad48f9f77e..27da097440c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/GCCBuiltinSymbolProvider.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/GCCBuiltinSymbolProvider.java
@@ -159,7 +159,6 @@ public class GCCBuiltinSymbolProvider implements IBuiltinBindingsProvider {
 			function(type, 		"__atomic_nadd_fetch", typePtr, type, "int");
 			function(type, 		"__atomic_fetch_add", typePtr, type, "int");
 			function(type, 		"__atomic_fetch_sub", typePtr, type, "int");
-			function(type, 		"__atomic_fetch_add", typePtr, type, "int");
 			function(type, 		"__atomic_fetch_and", typePtr, type, "int");
 			function(type, 		"__atomic_fetch_xor", typePtr, type, "int");
 			function(type, 		"__atomic_fetch_or", typePtr, type, "int");