diff --git a/go.mod b/go.mod
index 8fd22e1cc47..173e0882cdf 100644
--- a/go.mod
+++ b/go.mod
@@ -29,7 +29,6 @@ require (
 	github.com/getsentry/sentry-go v0.10.0
 	github.com/go-macaron/binding v0.0.0-20190806013118-0b4f37bab25b
 	github.com/go-macaron/gzip v0.0.0-20160222043647-cad1c6580a07
-	github.com/go-openapi/strfmt v0.20.0
 	github.com/go-sourcemap/sourcemap v2.1.3+incompatible
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/go-stack/stack v1.8.0
@@ -62,7 +61,6 @@ require (
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/alertmanager v0.21.1-0.20210211203738-a7ca7b1d2951
 	github.com/prometheus/client_golang v1.9.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.18.1-0.20210305175002-2a23014b3b39
@@ -98,4 +96,4 @@ require (
 	gopkg.in/yaml.v2 v2.4.0
 	xorm.io/core v0.7.3
 	xorm.io/xorm v0.8.2
-)
\ No newline at end of file
+)
diff --git a/go.sum b/go.sum
index 57b80410311..3de5fecedd5 100644
--- a/go.sum
+++ b/go.sum
@@ -229,6 +229,7 @@ github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b h1:L/QXpzIa3pO
 github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
 github.com/bsm/sarama-cluster v2.1.13+incompatible/go.mod h1:r7ao+4tTNXvWm+VRpRJchr2kQhqxgmAp2iEX5W96gMM=
 github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
+github.com/c2h5oh/datasize v0.0.0-20200112174442-28bbd4740fee h1:BnPxIde0gjtTnc9Er7cxvBk8DHLWhEux0SxayC8dP6I=
 github.com/c2h5oh/datasize v0.0.0-20200112174442-28bbd4740fee/go.mod h1:S/7n9copUssQ56c7aAgHqftWO4LTf4xY6CGWt8Bc+3M=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
 github.com/cenkalti/backoff v0.0.0-20181003080854-62661b46c409/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
@@ -787,10 +788,6 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gosimple/slug v1.9.0 h1:r5vDcYrFz9BmfIAMC829un9hq7hKM4cHUrsv36LbEqs=
 github.com/gosimple/slug v1.9.0/go.mod h1:AMZ+sOVe65uByN3kgEyf9WEBKBCSS+dJjMX9x4vDJbg=
-github.com/grafana/alerting-api v0.0.0-20210310155814-c1ce61993143 h1:jPv8R9q52ItGl+FrQdZGzzBUKx+5vH14pJ81MXUmCM8=
-github.com/grafana/alerting-api v0.0.0-20210310155814-c1ce61993143/go.mod h1:JH+OnDbaY14NcLgB+9mhFYyfLILhNtJjGTEoSVp2mzM=
-github.com/grafana/alerting-api v0.0.0-20210311143043-45ae733ad75e h1:JkD9vPupGCuxBg6rwZekreqwXWDsZyQ/M6EHQCup24k=
-github.com/grafana/alerting-api v0.0.0-20210311143043-45ae733ad75e/go.mod h1:5IppnPguSHcCbVLGCVzVjBvuQZNbYgVJ4KyXXjhCyWY=
 github.com/grafana/alerting-api v0.0.0-20210311171115-b0eb4577f38c h1:xmmEjOGr87S1ZMinUTCA+ikMSLvJRrCYADZ9/ewMtWM=
 github.com/grafana/alerting-api v0.0.0-20210311171115-b0eb4577f38c/go.mod h1:5IppnPguSHcCbVLGCVzVjBvuQZNbYgVJ4KyXXjhCyWY=
 github.com/grafana/grafana v1.9.2-0.20210308201921-4ce0a49eac03/go.mod h1:AHRRvd4utJGY25J5nW8aL7wZzn/LcJ0z2za9oOp14j4=