diff --git a/libparsec/crates/client/src/monitors/connection.rs b/libparsec/crates/client/src/monitors/connection.rs
index 437bfe67891..d40d201bc9f 100644
--- a/libparsec/crates/client/src/monitors/connection.rs
+++ b/libparsec/crates/client/src/monitors/connection.rs
@@ -218,7 +218,6 @@ fn handle_sse_error(
         | ConnectionError::BadContent
         | ConnectionError::InvalidResponseStatus(_)
         | ConnectionError::InvalidResponseContent(_)
-        | ConnectionError::MissingApiVersion
         | ConnectionError::MissingSupportedApiVersions
         | ConnectionError::FrozenUser
         | ConnectionError::AuthenticationTokenExpired
diff --git a/libparsec/crates/client_connection/src/error.rs b/libparsec/crates/client_connection/src/error.rs
index a85a136ef27..b205213fe79 100644
--- a/libparsec/crates/client_connection/src/error.rs
+++ b/libparsec/crates/client_connection/src/error.rs
@@ -47,10 +47,6 @@ pub enum ConnectionError {
     #[error("Failed to deserialize the response: {0}")]
     InvalidResponseContent(ProtocolDecodeError),
 
-    /// We failed to retrieve Api-Version
-    #[error("Api-Version header is missing")]
-    MissingApiVersion,
-
     /// We failed to retrieve Supported-Api-Versions
     #[error("Supported-Api-Versions header is missing")]
     MissingSupportedApiVersions,