diff --git a/include/boost/config/requires_threads.hpp b/include/boost/config/requires_threads.hpp
index eb5b635a..cfaff230 100644
--- a/include/boost/config/requires_threads.hpp
+++ b/include/boost/config/requires_threads.hpp
@@ -81,11 +81,6 @@
 //  example) also #define _MSC_VER
 #  error "Compiler threading support is not turned on. Please set the correct command line options for threading: either /MT /MTd /MD or /MDd"
 
-#elif defined __PGIC__
-// PGI
-//
-// No compiler support for threading 
-
 #else
 
 #  error "Compiler threading support is not turned on.  Please consult your compiler's documentation for the appropriate options to use"