Index: src/OFDataArray.m
==================================================================
--- src/OFDataArray.m
+++ src/OFDataArray.m
@@ -196,13 +196,14 @@
 	OFHTTPRequest *request;
 	OFHTTPResponse *response;
 	OFDictionary *headers;
 	OFString *contentLength;
 #endif
-	Class c;
+#ifdef OF_HAVE_FILES
+	Class c = [self class];
+#endif
 
-	c = [self class];
 	[self release];
 
 	pool = objc_autoreleasePoolPush();
 
 	if ([[URL scheme] isEqual: @"file"]) {

Index: src/OFString.m
==================================================================
--- src/OFString.m
+++ src/OFString.m
@@ -882,13 +882,14 @@
 	OFHTTPResponse *response;
 	OFDictionary *headers;
 	OFString *contentType, *contentLength;
 	OFDataArray *data;
 #endif
-	Class c;
+#ifdef OF_HAVE_FILES
+	Class c = [self class];
+#endif
 
-	c = [self class];
 	[self release];
 
 	pool = objc_autoreleasePoolPush();
 
 	if ([[URL scheme] isEqual: @"file"]) {