diff --git a/src/config.hh.in b/src/config.hh.in
index 061907b..6d2da20 100644
--- a/src/config.hh.in
+++ b/src/config.hh.in
@@ -14,6 +14,4 @@
 
 #ifndef NDEBUG
 #define SDR_DEBUG 1
-#else
-#unset SDR_DEBUG
 #endif