I'm new to the concept of regression and its application .What is the criteria for eliminating variables in a multiple linear regression model whose purpose is prediction ?

1)Is it the p value of the coefficients > 0.05 or 2)Variance inflation factor > 10 ?

I'm new to the concept of regression and its application .What is the criteria for eliminating variables in a multiple linear regression model whose purpose is prediction ?

1. Is it the p value of the coefficients > 0.05 or
2. Variance inflation factor > 10 ?