diff --git a/dsymbol/src/dsymbol/conversion/first.d b/dsymbol/src/dsymbol/conversion/first.d
index a211469..8ba1d6d 100644
--- a/dsymbol/src/dsymbol/conversion/first.d
+++ b/dsymbol/src/dsymbol/conversion/first.d
@@ -1006,7 +1006,6 @@ private:
 						break;
 					}
 				}
-				currentSymbol.acSymbol.argNames.insert(parameter.acSymbol.name);
 
 				currentSymbol.acSymbol.functionParameters ~= parameter.acSymbol;