Remove specific words within lines

I have a text file that has something like this: loginName: Name1 userAgent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/ (KHTML like Gecko) Chrome/61.0.3163.104 OpenFin/9.61.31.74 loginName: Name2 userAgent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/ (KHTML like Gecko) Chrome/61.0.3163.112 loginName: Name3 userAgent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/ (KHTML like Gecko) Chrome/61.0.3163.105 OpenFin/9.61.31.78 loginName: Name4 userAgent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/ (KHTML like Gecko) Chrome/61.0.3163.100 Some has only Chrome/X.X.X.X and others have Chrome/X.X.X.X OpenFin/X.X.X.X The ones that only have Chrome/X.X.X.X, I want to leave them alone. The ones that include OpenFin/X.X.X.X, I want to remove Chrome/X.X.X.X from those lines. I tried the following but had no luck. sed 's/Chrome*.*OpenFin/OpenFin/' filename