diff --git a/entities/Cargo.toml b/entities/Cargo.toml
index 9669eae..f64ab7f 100644
--- a/entities/Cargo.toml
+++ b/entities/Cargo.toml
@@ -14,3 +14,4 @@ log = { version = "0.4", features = ["kv_unstable", "serde", "std", "kv_unstable
 serde = { version = "1", features = ["derive"] }
 thiserror = "1"
 time = { version = "0.3", features = ["parsing", "serde", "formatting"] }
+static_assertions = "1"
\ No newline at end of file
diff --git a/entities/src/account.rs b/entities/src/account.rs
index 08ee5cb..f60aad5 100644
--- a/entities/src/account.rs
+++ b/entities/src/account.rs
@@ -71,6 +71,18 @@ impl AccountId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    AccountId: PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
+
 /// A single name: value pair from a user's profile
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Default)]
 pub struct MetadataField {
diff --git a/entities/src/attachment.rs b/entities/src/attachment.rs
index b245053..671441c 100644
--- a/entities/src/attachment.rs
+++ b/entities/src/attachment.rs
@@ -41,6 +41,18 @@ impl AttachmentId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    AttachmentId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::status::StatusId>,
+);
+
 /// Information about the attachment itself.
 #[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
 pub struct Meta {
diff --git a/entities/src/filter.rs b/entities/src/filter.rs
index b6d88e8..b7cf727 100644
--- a/entities/src/filter.rs
+++ b/entities/src/filter.rs
@@ -68,6 +68,18 @@ impl FilterId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    FilterId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
+
 /// Represents the various types of Filter contexts
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
diff --git a/entities/src/list.rs b/entities/src/list.rs
index f5639f4..72a0aa2 100644
--- a/entities/src/list.rs
+++ b/entities/src/list.rs
@@ -23,3 +23,15 @@ impl ListId {
         Self(value.into())
     }
 }
+
+static_assertions::assert_not_impl_any!(
+    ListId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
diff --git a/entities/src/mention.rs b/entities/src/mention.rs
index 9a36dab..6b38b22 100644
--- a/entities/src/mention.rs
+++ b/entities/src/mention.rs
@@ -29,3 +29,15 @@ impl MentionId {
         Self(value.into())
     }
 }
+
+static_assertions::assert_not_impl_any!(
+    Mention: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
diff --git a/entities/src/notification.rs b/entities/src/notification.rs
index 45f46de..8aff456 100644
--- a/entities/src/notification.rs
+++ b/entities/src/notification.rs
@@ -39,6 +39,18 @@ impl NotificationId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    NotificationId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
+
 /// The type of notification.
 #[derive(Debug, Clone, Copy, Deserialize, Serialize, PartialEq, Eq)]
 #[serde(rename_all = "lowercase")]
diff --git a/entities/src/push.rs b/entities/src/push.rs
index 148c40d..a51ce94 100644
--- a/entities/src/push.rs
+++ b/entities/src/push.rs
@@ -43,6 +43,17 @@ impl SubscriptionId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    SubscriptionId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
+
 pub mod add_subscription {
     use serde::Serialize;
 
diff --git a/entities/src/relationship.rs b/entities/src/relationship.rs
index d9ff7c4..83cf063 100644
--- a/entities/src/relationship.rs
+++ b/entities/src/relationship.rs
@@ -48,3 +48,15 @@ impl RelationshipId {
         Self(value.into())
     }
 }
+
+static_assertions::assert_not_impl_any!(
+    RelationshipId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::status::StatusId>,
+);
diff --git a/entities/src/report.rs b/entities/src/report.rs
index f94accc..d6450b4 100644
--- a/entities/src/report.rs
+++ b/entities/src/report.rs
@@ -27,3 +27,15 @@ impl ReportId {
         Self(value.into())
     }
 }
+
+static_assertions::assert_not_impl_any!(
+    ReportId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::list::ListId>,
+    PartialEq<crate::status::StatusId>,
+);
diff --git a/entities/src/status.rs b/entities/src/status.rs
index 89cb1e6..b4133b0 100644
--- a/entities/src/status.rs
+++ b/entities/src/status.rs
@@ -82,6 +82,18 @@ impl StatusId {
     }
 }
 
+static_assertions::assert_not_impl_any!(
+    StatusId: PartialEq<crate::account::AccountId>,
+    PartialEq<crate::attachment::AttachmentId>,
+    PartialEq<crate::filter::FilterId>,
+    PartialEq<crate::push::SubscriptionId>,
+    PartialEq<crate::mention::MentionId>,
+    PartialEq<crate::notification::NotificationId>,
+    PartialEq<crate::relationship::RelationshipId>,
+    PartialEq<crate::report::ReportId>,
+    PartialEq<crate::list::ListId>,
+);
+
 /// A mention of another user.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Mention {