diff --git a/src/api/ecdar_api.rs b/src/api/ecdar_api.rs
index a4e58d1..61553d0 100644
--- a/src/api/ecdar_api.rs
+++ b/src/api/ecdar_api.rs
@@ -117,10 +117,6 @@ impl EcdarApi for ConcreteEcdarApi {
         todo!()
     }
 
-    async fn delete_session(&self, _request: Request<()>) -> Result<Response<()>, Status> {
-        todo!()
-    }
-
     /// Gets a Model and its queries from the database.
     ///
     /// If the Model is not in use, it will now be in use by the requestees session,
@@ -1022,6 +1018,25 @@ impl EcdarApi for ConcreteEcdarApi {
             response: Some(query_result.into_inner()),
         }))
     }
+
+    /// Deletes the requester's session, found by their access token.
+    ///  
+    /// Returns the response that is received from Reveaal.
+    async fn delete_session(&self, request: Request<()>) -> Result<Response<()>, Status> {
+        let access_token = request
+            .token_string()
+            .ok_or(Status::unauthenticated("No access token provided"))?;
+
+        match self
+            .contexts
+            .session_context
+            .delete_by_token(TokenType::AccessToken, access_token)
+            .await
+        {
+            Ok(_) => Ok(Response::new(())),
+            Err(error) => Err(Status::new(Code::Internal, error.to_string())),
+        }
+    }
 }
 
 async fn check_editor_role_helper(
diff --git a/src/database/session_context.rs b/src/database/session_context.rs
index 4709fc2..28d111c 100644
--- a/src/database/session_context.rs
+++ b/src/database/session_context.rs
@@ -2,6 +2,7 @@ use crate::api::auth::TokenType;
 use crate::database::database_context::DatabaseContextTrait;
 use crate::database::entity_context::EntityContextTrait;
 use crate::entities::session;
+use crate::entities::session::Model;
 use chrono::Local;
 use sea_orm::prelude::async_trait::async_trait;
 use sea_orm::ActiveValue::{Set, Unchanged};
@@ -19,6 +20,12 @@ pub trait SessionContextTrait: EntityContextTrait<session::Model> {
         token_type: TokenType,
         token: String,
     ) -> Result<Option<session::Model>, DbErr>;
+
+    async fn delete_by_token(
+        &self,
+        token_type: TokenType,
+        token: String,
+    ) -> Result<session::Model, DbErr>;
 }
 
 #[async_trait]
@@ -43,6 +50,21 @@ impl SessionContextTrait for SessionContext {
             }
         }
     }
+
+    async fn delete_by_token(&self, token_type: TokenType, token: String) -> Result<Model, DbErr> {
+        let session = self
+            .get_by_token(token_type, token)
+            .await?
+            .ok_or(DbErr::RecordNotFound(
+                "No session found with the provided access token".into(),
+            ))?;
+
+        session::Entity::delete_by_id(session.id)
+            .exec(&self.db_context.get_connection())
+            .await?;
+
+        Ok(session)
+    }
 }
 
 impl SessionContext {
diff --git a/src/tests/api/helpers.rs b/src/tests/api/helpers.rs
index 3afe765..89c1709 100644
--- a/src/tests/api/helpers.rs
+++ b/src/tests/api/helpers.rs
@@ -162,6 +162,7 @@ mock! {
     #[async_trait]
     impl SessionContextTrait for SessionContext {
         async fn get_by_token(&self, token_type: TokenType, token: String) -> Result<Option<session::Model>, DbErr>;
+        async fn delete_by_token(&self, token_type: TokenType, token: String) -> Result<session::Model, DbErr>;
     }
 }
 
diff --git a/src/tests/api/session_logic.rs b/src/tests/api/session_logic.rs
index 4513531..774dab2 100644
--- a/src/tests/api/session_logic.rs
+++ b/src/tests/api/session_logic.rs
@@ -1,7 +1,8 @@
+use crate::api::server::server::ecdar_api_server::EcdarApi;
 use crate::api::server::server::GetAuthTokenRequest;
 use crate::api::{auth::TokenType, ecdar_api::handle_session};
 use crate::entities::session;
-use crate::tests::api::helpers::get_mock_services;
+use crate::tests::api::helpers::{get_mock_concrete_ecdar_api, get_mock_services};
 use mockall::predicate;
 use sea_orm::DbErr;
 use std::str::FromStr;
@@ -134,3 +135,67 @@ async fn handle_session_no_session_exists_creates_session_returns_err() {
 
     assert_eq!(res.unwrap_err().code(), Code::Internal);
 }
+
+#[tokio::test]
+async fn delete_session_returns_ok() {
+    let mut mock_services = get_mock_services();
+
+    mock_services
+        .session_context_mock
+        .expect_delete_by_token()
+        .with(
+            predicate::eq(TokenType::AccessToken),
+            predicate::eq("test_token".to_string()),
+        )
+        .returning(move |_, _| {
+            Ok(session::Model {
+                id: 1,
+                refresh_token: Default::default(),
+                access_token: "test_token".to_string(),
+                updated_at: Default::default(),
+                user_id: Default::default(),
+            })
+        });
+
+    let api = get_mock_concrete_ecdar_api(mock_services);
+
+    let mut request = Request::new(());
+    request.metadata_mut().insert(
+        "authorization",
+        metadata::MetadataValue::from_str("Bearer test_token").unwrap(),
+    );
+
+    let res = api.delete_session(request).await;
+
+    assert!(res.is_ok());
+}
+
+#[tokio::test]
+async fn delete_session_no_session_returns_err() {
+    let mut mock_services = get_mock_services();
+
+    mock_services
+        .session_context_mock
+        .expect_delete_by_token()
+        .with(
+            predicate::eq(TokenType::AccessToken),
+            predicate::eq("test_token".to_string()),
+        )
+        .returning(move |_, _| {
+            Err(DbErr::RecordNotFound(
+                "No session found with the provided access token".to_string(),
+            ))
+        });
+
+    let api = get_mock_concrete_ecdar_api(mock_services);
+
+    let mut request = Request::new(());
+    request.metadata_mut().insert(
+        "authorization",
+        metadata::MetadataValue::from_str("Bearer test_token").unwrap(),
+    );
+
+    let res = api.delete_session(request).await;
+
+    assert_eq!(res.unwrap_err().code(), Code::Internal);
+}