diff --git a/plume-common/Cargo.toml b/plume-common/Cargo.toml
index 0a1cf12a..ecdc2fee 100644
--- a/plume-common/Cargo.toml
+++ b/plume-common/Cargo.toml
@@ -24,7 +24,6 @@ tokio = "0.1.22"
 regex-syntax = { version = "0.6.17", default-features = false, features = ["unicode-perl"] }
 tracing = "0.1.30"
 askama_escape = "0.10.2"
-activitystreams = "0.7.0-alpha.14"
 
 [dependencies.chrono]
 features = ["serde"]
diff --git a/plume-models/Cargo.toml b/plume-models/Cargo.toml
index ce900298..f430825f 100644
--- a/plume-models/Cargo.toml
+++ b/plume-models/Cargo.toml
@@ -35,7 +35,6 @@ riker = "0.4.2"
 once_cell = "1.5.2"
 lettre = "0.9.6"
 native-tls = "0.2.8"
-activitystreams = "0.7.0-alpha.14"
 
 [dependencies.chrono]
 features = ["serde"]