diff --git a/src/backend/app/db/db_models.py b/src/backend/app/db/db_models.py
index ceabf66ad..1737b12e1 100644
--- a/src/backend/app/db/db_models.py
+++ b/src/backend/app/db/db_models.py
@@ -536,8 +536,7 @@ class DbSubmissionPhotos(Base):
     project_id = cast(
         int, Column(Integer, ForeignKey("projects.id"), name="project_id", index=True)
     )
-    task_id = cast(
-        int, Column(Integer, ForeignKey("tasks.id"), name="task_id", index=True)
-    )
+    # Note this is not a DbTask, but an ODK task_id
+    task_id = cast(int, Column(Integer))
     submission_id = cast(str, Column(String))
     s3_path = cast(str, Column(String))
diff --git a/src/backend/migrations/007-remove-xform-table.sql b/src/backend/migrations/007-remove-xform-table.sql
index 5cd75299b..e3b8f95c2 100644
--- a/src/backend/migrations/007-remove-xform-table.sql
+++ b/src/backend/migrations/007-remove-xform-table.sql
@@ -21,17 +21,6 @@ BEGIN
         ADD CONSTRAINT fk_project_id FOREIGN KEY (project_id)
         REFERENCES public.projects (id);
     END IF;
-    
-    IF NOT EXISTS (
-        SELECT 1 FROM information_schema.table_constraints
-        WHERE constraint_name = 'fk_tasks'
-          AND table_name = 'submission_photos'
-    ) THEN
-        ALTER TABLE ONLY public.submission_photos
-        ADD CONSTRAINT fk_tasks FOREIGN KEY (
-            task_id, project_id
-        ) REFERENCES public.tasks (id, project_id);
-    END IF;
 END $$;
 
 -- Update public.projects table
diff --git a/src/backend/migrations/init/fmtm_base_schema.sql b/src/backend/migrations/init/fmtm_base_schema.sql
index 17f20b4d3..839b7cd5f 100644
--- a/src/backend/migrations/init/fmtm_base_schema.sql
+++ b/src/backend/migrations/init/fmtm_base_schema.sql
@@ -393,6 +393,7 @@ ALTER SEQUENCE public.xlsforms_id_seq OWNED BY public.xlsforms.id;
 CREATE TABLE public.submission_photos (
     id integer NOT NULL,
     project_id integer NOT NULL,
+    -- Note this is not public.tasks, but an ODK task_id
     task_id integer NOT NULL,
     submission_id character varying NOT NULL,
     s3_path character varying NOT NULL
@@ -600,11 +601,6 @@ ADD CONSTRAINT fk_project_id FOREIGN KEY (
     project_id
 ) REFERENCES public.projects (id);
 
-ALTER TABLE ONLY public.submission_photos
-ADD CONSTRAINT fk_tasks FOREIGN KEY (
-    task_id, project_id
-) REFERENCES public.tasks (id, project_id);
-
 -- Finalise
 
 REVOKE USAGE ON SCHEMA public FROM public;