diff --git a/.swift-version b/.swift-version
deleted file mode 100644
index 5186d0706..000000000
--- a/.swift-version
+++ /dev/null
@@ -1 +0,0 @@
-4.0
diff --git a/RxCocoa/Foundation/URLSession+Rx.swift b/RxCocoa/Foundation/URLSession+Rx.swift
index 291bc52fc..58040891d 100644
--- a/RxCocoa/Foundation/URLSession+Rx.swift
+++ b/RxCocoa/Foundation/URLSession+Rx.swift
@@ -140,7 +140,7 @@ extension Reactive where Base: URLSession {
                     let interval = Date().timeIntervalSince(d ?? Date())
                     print(convertURLRequestToCurlCommand(request))
                     #if os(Linux)
-                        print(convertResponseToString(response, error.flatMap { $0 as? NSError }, interval))
+                        print(convertResponseToString(response, error.flatMap { $0 as NSError }, interval))
                     #else
                         print(convertResponseToString(response, error.map { $0 as NSError }, interval))
                     #endif
diff --git a/scripts/validate-podspec.sh b/scripts/validate-podspec.sh
index 906adfad8..593421bcb 100755
--- a/scripts/validate-podspec.sh
+++ b/scripts/validate-podspec.sh
@@ -16,7 +16,7 @@ function cleanup {
 trap cleanup EXIT
 
 if [[ ! -z "${TRAVIS}" ]]; then
-    gem install cocoapods --pre --no-rdoc --no-ri --no-document --quiet;
+    gem install cocoapods --pre --no-document --quiet;
     pod repo update;
 fi;