diff --git a/c/src/ada-tests/sptests/sp13/sptest.adb b/c/src/ada-tests/sptests/sp13/sptest.adb
index da8f221fb2..d0d762a11a 100644
--- a/c/src/ada-tests/sptests/sp13/sptest.adb
+++ b/c/src/ada-tests/sptests/sp13/sptest.adb
@@ -26,7 +26,6 @@ with INTERFACES; use INTERFACES;
 with RTEMS;
 with TEST_SUPPORT;
 with TEXT_IO;
-with UNCHECKED_CONVERSION;
 with UNSIGNED32_IO;
 
 package body SPTEST is