The phrase "fade away with time" is correct and usable in written English.
You can use it to indicate that something or someone gets less relevant as time passes. For example: "Memories of our first kiss will never fade away with time."
Side effects arrive with the first pill and sometimes fade away with time.
Rather than fade away with time, as Republicans had hoped, the conflict escalated last month when Gov. George W. Bush of Texas, the presumptive Republican presidential nominee, kicked off his South Carolina campaign by visiting Bob Jones University, an evangelical college whose leaders have made anti-Catholic statements.
"Some older phrases may well fade away with time, as has already been the case, and new ones will come into usage.
Your energy to try new exciting, weird, beautiful things is a precious commodity that will fade away with time, so it's up to you to spend it well while it lasts.
Your energy to try new, exciting, weird, beautiful things is a precious commodity that will fade away with time, so it's up to you to spend it well while it lasts.
If the effectiveness of the algorithm is observed, future researches will focus on assessment at longer periods knowing that the effect of these types of intervention seems to fade away with time.
They show in their Fig. 4 that an initially defined pressure bump fades away with time.
In the first year after the upper endoscopy, all-cause mortality among UCEP patients was nearly 2.5-fold higher than that of controls, but the difference faded away with time.
The results show that no incipient melting appears when the alloy is directly heated up to 1338 °C; when it is directly heated up to 1350 °C, obvious incipient melting occurs at the beginning while gradually fades away with holding time; for 1328 °C, although there is no risk of incipient melting, the homogenization efficiency is far from satisfactory.
Those inspired by his movement are fading away with the passage of time..
