diff --git a/configs/pcblogic-pic32mx/ostest/defconfig b/configs/pcblogic-pic32mx/ostest/defconfig
index 8baa01a9305..785c61d88e5 100644
--- a/configs/pcblogic-pic32mx/ostest/defconfig
+++ b/configs/pcblogic-pic32mx/ostest/defconfig
@@ -329,7 +329,7 @@ CONFIG_DEBUG_SYMBOLS=n
 CONFIG_DEBUG_SCHED=n
 CONFIG_MM_REGIONS=1
 CONFIG_ARCH_LOWPUTC=y
-CONFIG_RR_INTERVAL=200
+CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2011
diff --git a/configs/sure-pic32mx/ostest/defconfig b/configs/sure-pic32mx/ostest/defconfig
index 730d22db2f9..00786792c59 100644
--- a/configs/sure-pic32mx/ostest/defconfig
+++ b/configs/sure-pic32mx/ostest/defconfig
@@ -328,7 +328,7 @@ CONFIG_DEBUG_SYMBOLS=n
 CONFIG_DEBUG_SCHED=n
 CONFIG_MM_REGIONS=1
 CONFIG_ARCH_LOWPUTC=y
-CONFIG_RR_INTERVAL=200
+CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2011