diff --git a/src/rest/api/api_info.lua b/src/rest/api/api_info.lua
index dd753be..a8c5634 100644
--- a/src/rest/api/api_info.lua
+++ b/src/rest/api/api_info.lua
@@ -43,14 +43,14 @@ end
 function M.logfiles(request, response)
 	local rv,msg = lfs.mkdir(LOG_COLLECT_DIR)
 	local rv,msg = lfs.chdir(TMP_DIR)
-	
-	
+
+
 	--[[ create temporary files ]]--
-	
+
 	local rv,sig,code = redirectedExecute('cp ' .. WIFIBOX_LOG_FILE .. ' ' .. LOG_COLLECT_DIR)
-	
+
 	local rv,sig,code = os.execute('logread > ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
-	
+
 	for file in lfs.dir(PRINT3D_BASEPATH) do
 		if file:find(PRINT3D_LOG_FILENAME_PREFIX) == 1 and file:find(PRINT3D_LOG_FILENAME_SUFFIX) ~= nil then
 			local srcLogFile = PRINT3D_BASEPATH .. '/' .. file
@@ -58,44 +58,42 @@ function M.logfiles(request, response)
 				local rv,sig,code = redirectedExecute('cp ' .. srcLogFile .. ' ' .. tgtLogFile)
 			end
 		end
-	
+
 	local rv,sig,code = redirectedExecute('tar czf ' .. LOG_COLLECT_ARCHIVE_FILE .. ' ' .. LOG_COLLECT_DIRNAME) --returns 0 success, 1 error
-	
-	
+
+
 	--[[ add response content ]]--
-	
+
 	local rv,msg = response:setBinaryFileData(LOG_COLLECT_ARCHIVE_FILE, LOG_COLLECT_ARCHIVE_FILENAME, 'application/x-compressed')
 	if not rv then
 		response:setError("could not set binary data from file '" .. LOG_COLLECT_ARCHIVE_FILE .. "' (" .. msg .. ")")
 	else
 		response:setSuccess()
 	end
-	
-	
+
+
 	--[[ remove temporary files ]]--
-	
-	if ultip and ultip == 'directory' then
-		for file in lfs.dir(ULTIFI_PATH) do
-			if file ~= '.' and file ~= '..' then
-				local tgtLogFile = LOG_COLLECT_DIR .. '/' .. file .. '-' .. ULTIFI_LOG_FILENAME
-				local rv,sig,code = redirectedExecute('rm ' .. tgtLogFile)
-			end
+
+	for file in lfs.dir(LOG_COLLECT_DIR) do
+		if file:find(PRINT3D_LOG_FILENAME_PREFIX) == 1 and file:find(PRINT3D_LOG_FILENAME_SUFFIX) ~= nil then
+			local tgtLogFile = LOG_COLLECT_DIR .. '/' .. file
+			local rv,sig,code = redirectedExecute('rm ' .. tgtLogFile)
 		end
 	end
-	
+
 	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. WIFIBOX_LOG_FILENAME)
-	
+
 	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
-	
+
 	local rv,msg = lfs.rmdir(LOG_COLLECT_DIR)
-	
+
 	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_ARCHIVE_FILE)
 end
 
 function M.access(request, response)
 	--log:info("  remoteAddress: |"..utils.dump(request.remoteAddress).."|");
 	--log:info("  controller: |"..utils.dump(accessManager.getController()).."|");
-	
+
 	-- when there is a controller we check if the printer is idle,
 	-- if so, it should be done printing and we can clear the controller
 	if accessManager.getController() ~= "" then
@@ -104,31 +102,31 @@ function M.access(request, response)
 		local rv,msg = printer:getState()
 		if rv then
 			response:setSuccess()
-			if(state == "idle") then -- TODO: define in constants somewhere 
+			if(state == "idle") then -- TODO: define in constants somewhere
 				accessManager.setController("") -- clear controller
 			end
 		else
 			response:setError(msg)
-			return 
+			return
 		end
 	end
-	
+
 	local hasControl = accessManager.hasControl(request.remoteAddress)
 	response:setSuccess()
 	response:addData('hasControl', hasControl)
-	
-	return 
+
+	return
 end
 
 function M.status(request, response)
-	
+
 	printerAPI.temperature(request, response)
 	printerAPI.progress(request, response)
 	printerAPI.state(request, response)
 	M.access(request, response)
-	
+
 	response:addData('v', 9)
-	
+
 end
 
 return M