diff --git a/IDE/IAR-EWARM/README b/IDE/IAR-EWARM/README
index a06d0575a..57871ea00 100644
--- a/IDE/IAR-EWARM/README
+++ b/IDE/IAR-EWARM/README
@@ -1,52 +1,44 @@
 CyaSSL IAR Project Files 
  
- 
 This directory contains project files for IAR EWARM IDE. These 
-projects have been set up to use generic ARM Cortex-M MPUs. 
- 
- 
+projects have been set up to generic ARM Cortex-M MPUs. 
+In order to generate project for specific target MPU, take following steps. 
+
+
 Included Project Files 
 ----------------------- 
 1. Workspace: CyaSSL-Lib.eww 
    The workspace includes CyaSSL-Lib library and wolfCrypt-test, wolfCrypt-benchmark  
    executable projects. The library project generates full set library of wolfCrypt  
    and CyaSSL functions. 
- 
- 
+
 2. Test suites Project: wolfCrypt-test.ewp 
    generates test.out test suites executable 
-    
+
 3. Benchmark Project: wolfCrypt-benchmark.ewp 
    generates benchmark.out benchmark executable 
- 
- 
- 
- 
-In order to generate project for specific target MPU, take following steps. 
- 
- 
+
+Set Up Steps
+------------
 1. Project option settings 
    For each project,... 
    General Options: Choose appropriate "Target" options 
-    
+
    For executable projects,... 
    Linker->Config: Check "Override default" and "edit"->"Stack/Heap Sizes"  
    Debugger: Choose your "Driver" 
-    
+
 2. For benchmark project,... 
    Write your own "current_time" benchmark timer under "defined(CYASSL_IAR_ARM)" in benchmark.c 
-    
+
 3. settings.h 
    Uncomment the "CYASSL_IAR_ARM" define located in: 
     <cyassl_root>/cyassl/ctaocrypt/settings. 
- 
- 
+
 4. Build and download 
    Go to "Project->Make" and "Download and Debug" in Menu bar for EWARM build and download.  
- 
- 
- 
- 
+
+
 Support 
 ------- 
 Please send questions or comments to support@wolfssl.com 
diff --git a/src/io.c b/src/io.c
index 0f5ddf308..a6118bb2f 100644
--- a/src/io.c
+++ b/src/io.c
@@ -69,6 +69,8 @@
         #define RNG CyaSSL_RNG 
         /* for avoiding name conflict in "stm32f2xx.h" */
         static int errno;
+    #elif defined(CYASSL_IAR_ARM)
+        /* nothing */
     #else
         #include <sys/types.h>
         #include <errno.h>