diff --git a/src/paperless/settings/custom.py b/src/paperless/settings/custom.py
index 12f8986b1..6f7d94201 100644
--- a/src/paperless/settings/custom.py
+++ b/src/paperless/settings/custom.py
@@ -119,15 +119,4 @@ def parse_db_settings(data_dir: Path) -> dict[str, dict[str, Any]]:
         },
     )
 
-    databases = {"default": db_config}
-
-    # Add SQLite fallback for PostgreSQL/MariaDB
-    # TODO: Is this really useful/used?
-    if engine in ("postgresql", "mariadb"):
-        databases["sqlite"] = {
-            "ENGINE": "django.db.backends.sqlite3",
-            "NAME": str((data_dir / "db.sqlite3").resolve()),
-            "OPTIONS": {},
-        }
-
-    return databases
+    return {"default": db_config}
diff --git a/src/paperless/tests/settings/test_custom_parsers.py b/src/paperless/tests/settings/test_custom_parsers.py
index 7d4422d28..e297d9e04 100644
--- a/src/paperless/tests/settings/test_custom_parsers.py
+++ b/src/paperless/tests/settings/test_custom_parsers.py
@@ -59,11 +59,6 @@ class TestParseDbSettings:
                             "sslkey": None,
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="postgresql-defaults",
             ),
@@ -96,11 +91,6 @@ class TestParseDbSettings:
                             },
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="postgresql-overrides",
             ),
@@ -128,11 +118,6 @@ class TestParseDbSettings:
                             },
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="postgresql-legacy-poolsize",
             ),
@@ -159,11 +144,6 @@ class TestParseDbSettings:
                             "connect_timeout": 30,
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="postgresql-legacy-ssl-and-timeout",
             ),
@@ -191,11 +171,6 @@ class TestParseDbSettings:
                             },
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="mariadb-defaults",
             ),
@@ -228,11 +203,6 @@ class TestParseDbSettings:
                             },
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="mariadb-overrides",
             ),
@@ -266,11 +236,6 @@ class TestParseDbSettings:
                             "connect_timeout": 25,
                         },
                     },
-                    "sqlite": {
-                        "ENGINE": "django.db.backends.sqlite3",
-                        "NAME": None,  # Will be replaced with tmp_path
-                        "OPTIONS": {},
-                    },
                 },
                 id="mariadb-legacy-ssl-and-timeout",
             ),
@@ -295,10 +260,6 @@ class TestParseDbSettings:
             expected_database_settings["default"]["NAME"] = str(
                 tmp_path / "db.sqlite3",
             )
-        if "sqlite" in expected_database_settings:
-            expected_database_settings["sqlite"]["NAME"] = str(
-                tmp_path / "db.sqlite3",
-            )
 
         settings = parse_db_settings(tmp_path)