[Rails 5 Deprecation] alias_method_chain is deprecated warnings

[djones]

DEPRECATION WARNING: alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super. (called from block in <top (required)> at /Users/djones/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/bundler/gems/solidus_avatax-1df6862b0c1e/app/models/spree/order_contents_decorator.rb:23)
DEPRECATION WARNING: alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super. (called from block in <top (required)> at /Users/djones/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/bundler/gems/solidus_avatax-1df6862b0c1e/app/models/spree/order_contents_decorator.rb:24)
DEPRECATION WARNING: alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super. (called from block in <top (required)> at /Users/djones/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/bundler/gems/solidus_avatax-1df6862b0c1e/app/models/spree/order_contents_decorator.rb:25)
DEPRECATION WARNING: alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super. (called from block in <top (required)> at /Users/djones/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/bundler/gems/solidus_avatax-1df6862b0c1e/app/models/spree/promotion_handler/coupon_decorator.rb:10)
DEPRECATION WARNING: alias_method_chain is deprecated. Please, use Module#prepend instead. From module, you can access the original method using super. (called from block in <top (required)> at /Users/djones/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/bundler/gems/solidus_avatax-1df6862b0c1e/app/models/spree/tax/order_adjuster_decorator.rb:8)

Would be great to get these warnings cleared up.