diff --git a/iocBoot/iocxxx/st.cmd.Cygwin b/iocBoot/iocxxx/st.cmd.Cygwin
index bbf39bccf7ffca4796f935f65d1143a2fa928d1a..50ba117dd9acce53529aaa74b729590e32cf4b6b 100644
--- a/iocBoot/iocxxx/st.cmd.Cygwin
+++ b/iocBoot/iocxxx/st.cmd.Cygwin
@@ -11,8 +11,6 @@ errlogInit(20000)
 dbLoadDatabase("../../dbd/iocxxxCygwin.dbd")
 iocxxxCygwin_registerRecordDeviceDriver(pdbbase)
 
-epicsEnvSet("PLATFORM", "softioc")
-
 < common.iocsh
 
 # devIocStats
diff --git a/iocBoot/iocxxx/st.cmd.Linux b/iocBoot/iocxxx/st.cmd.Linux
index 46e4edad0313ef00b42f539881372cfe26af3ae6..a67fd2ca37f0f2318b56791f796635230c40996d 100644
--- a/iocBoot/iocxxx/st.cmd.Linux
+++ b/iocBoot/iocxxx/st.cmd.Linux
@@ -11,8 +11,6 @@ errlogInit(20000)
 dbLoadDatabase("../../dbd/iocxxxLinux.dbd")
 iocxxxLinux_registerRecordDeviceDriver(pdbbase)
 
-epicsEnvSet("PLATFORM", "softioc")
-
 < common.iocsh
 
 # devIocStats
diff --git a/iocBoot/iocxxx/st.cmd.Win32 b/iocBoot/iocxxx/st.cmd.Win32
index 8bbf50664c744ec4bab13b681444ecc5eb7180c6..91b192a30e5e214bf65745802e9026cfd25d1527 100644
--- a/iocBoot/iocxxx/st.cmd.Win32
+++ b/iocBoot/iocxxx/st.cmd.Win32
@@ -11,8 +11,6 @@ errlogInit(20000)
 dbLoadDatabase("../../dbd/iocxxxWin32.dbd")
 iocxxxWin32_registerRecordDeviceDriver(pdbbase)
 
-epicsEnvSet("PLATFORM", "softioc")
-
 < common.iocsh
 
 # devIocStats
diff --git a/iocBoot/iocxxx/st.cmd.vxWorks b/iocBoot/iocxxx/st.cmd.vxWorks
index b1c092c869cc479358028e624a6c5efe3718d598..cf78ef4fa6176385cfe4333f457e49876c977962 100644
--- a/iocBoot/iocxxx/st.cmd.vxWorks
+++ b/iocBoot/iocxxx/st.cmd.vxWorks
@@ -51,8 +51,6 @@ iocLogDisable=0
 
 iocsh 
 
-epicsEnvSet("PLATFORM", "vxWorks")
-
 < common.iocsh
 
 # devIocStats