diff --git a/frontend/sync-client/src/errors/errors.ts b/frontend/sync-client/src/errors/errors.ts
new file mode 100644
index 00000000..7dc48a3a
--- /dev/null
+++ b/frontend/sync-client/src/errors/errors.ts
@@ -0,0 +1,34 @@
+export class SyncResetError extends Error {
+    public constructor() {
+        super("SyncClient has been reset, cleaning up");
+        this.name = "SyncResetError";
+    }
+}
+
+export class ServerVersionMismatchError extends Error {
+    public constructor(message: string) {
+        super(message);
+        this.name = "ServerVersionMismatchError";
+    }
+}
+
+export class AuthenticationError extends Error {
+    public constructor(message: string) {
+        super(message);
+        this.name = "AuthenticationError";
+    }
+}
+
+export class FileNotFoundError extends Error {
+    public constructor(
+        message: string,
+        public readonly filePath: string
+    ) {
+        super(message);
+        this.name = "FileNotFoundError";
+    }
+}
+
+export class PermanentSyncError extends Error { }
+
+export class LocalChangesDuringReconciliation extends Error { }
diff --git a/frontend/sync-client/src/file-operations/file-not-found-error.ts b/frontend/sync-client/src/file-operations/file-not-found-error.ts
deleted file mode 100644
index b8acd265..00000000
--- a/frontend/sync-client/src/file-operations/file-not-found-error.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-export class FileNotFoundError extends Error {
-    public constructor(
-        message: string,
-        public readonly filePath: string
-    ) {
-        super(message);
-        this.name = "FileNotFoundError";
-    }
-}
diff --git a/frontend/sync-client/src/services/authentication-error.ts b/frontend/sync-client/src/services/authentication-error.ts
deleted file mode 100644
index 6be4af24..00000000
--- a/frontend/sync-client/src/services/authentication-error.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export class AuthenticationError extends Error {
-    public constructor(message: string) {
-        super(message);
-        this.name = "AuthenticationError";
-    }
-}
diff --git a/frontend/sync-client/src/services/server-version-mismatch-error.ts b/frontend/sync-client/src/services/server-version-mismatch-error.ts
deleted file mode 100644
index 0b9960ea..00000000
--- a/frontend/sync-client/src/services/server-version-mismatch-error.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export class ServerVersionMismatchError extends Error {
-    public constructor(message: string) {
-        super(message);
-        this.name = "ServerVersionMismatchError";
-    }
-}
diff --git a/frontend/sync-client/src/services/sync-reset-error.ts b/frontend/sync-client/src/services/sync-reset-error.ts
deleted file mode 100644
index 7b74e0b9..00000000
--- a/frontend/sync-client/src/services/sync-reset-error.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export class SyncResetError extends Error {
-    public constructor() {
-        super("SyncClient has been reset, cleaning up");
-        this.name = "SyncResetError";
-    }
-}