diff --git a/.swiftlint.yml b/.swiftlint.yml
index c15d0f8..d375fd9 100644
--- a/.swiftlint.yml
+++ b/.swiftlint.yml
@@ -50,6 +50,7 @@ opt_in_rules:
   - quick_discouraged_focused_test
   - quick_discouraged_pending_test
   - redundant_nil_coalescing
+  - redundant_type_annotation
   - sorted_first_last
   - strict_fileprivate
   - switch_case_on_newline
diff --git a/SwiftGit2/Objects.swift b/SwiftGit2/Objects.swift
index eb95889..6473633 100644
--- a/SwiftGit2/Objects.swift
+++ b/SwiftGit2/Objects.swift
@@ -59,7 +59,7 @@ public struct Signature {
 	func makeUnsafeSignature() -> Result<UnsafeMutablePointer<git_signature>, NSError> {
 		var signature: UnsafeMutablePointer<git_signature>? = nil
 		let time = git_time_t(self.time.timeIntervalSince1970)	// Unix epoch time
-		let offset: Int32 = Int32(timeZone.secondsFromGMT(for: self.time) / 60)
+		let offset = Int32(timeZone.secondsFromGMT(for: self.time) / 60)
 		let signatureResult = git_signature_new(&signature, name, email, time, offset)
 		guard signatureResult == GIT_OK.rawValue, let signatureUnwrap = signature else {
 			let err = NSError(gitError: signatureResult, pointOfFailure: "git_signature_new")