Hebrews 8:8 introduces the 'new covenant' quotation that Hebrews 8:13 then interprets as making the first covenant obsolete.

Hebrews 7:11 argues the Levitical priesthood was imperfect, necessitating a new priest — supporting the obsolescence of the old covenant in Hebrews 8:13.

Hebrews 7:12 states that a change of priesthood requires a change of law — directly backing the idea that the first covenant is replaced.

Hebrews 7:18 says the former commandment was set aside due to weakness — aligning with Hebrews 8:13's claim that the first covenant is obsolete.

Hebrews 7:19 notes the law made nothing perfect and a better hope was introduced — reinforcing why the old covenant is ready to vanish.

In Hebrews 9:10, the old covenant regulations are described as temporary 'until the time of reformation,' reinforcing the obsolescence declared here.

Hebrews 9:15 explains that Christ's death as new covenant mediator frees from sins under the first covenant, showing the basis for its obsolescence.

In 2 Corinthians 3:11, Paul contrasts the fading glory of the old covenant with the surpassing glory of the new, directly paralleling the obsolescence here.

Ephesians 2:15 shows Christ abolishing the law of commandments, directly illustrating how the first covenant is made obsolete here.

Colossians 2:14 describes the legal demand canceled and nailed to the cross, revealing the means by which the old covenant was set aside.

In 2 Corinthians 5:17, 'old things have passed away' refers to personal transformation in Christ, echoing the principle of old replaced by new.