diff --git a/ports-foc/src/lib/l4lx/l4_io.cc b/ports-foc/src/lib/l4lx/l4_io.cc
index c0bcd4f39..f71700ba7 100644
--- a/ports-foc/src/lib/l4lx/l4_io.cc
+++ b/ports-foc/src/lib/l4lx/l4_io.cc
@@ -24,7 +24,7 @@ namespace Fiasco {
 
 using namespace Fiasco;
 
-static bool DEBUG = true;
+static bool DEBUG = false;
 
 extern "C" {
 
diff --git a/ports-foc/src/lib/l4lx/l4_re_c_rm.cc b/ports-foc/src/lib/l4lx/l4_re_c_rm.cc
index c52454af7..66194b343 100644
--- a/ports-foc/src/lib/l4lx/l4_re_c_rm.cc
+++ b/ports-foc/src/lib/l4lx/l4_re_c_rm.cc
@@ -27,7 +27,7 @@ namespace Fiasco {
 
 using namespace Fiasco;
 
-static const bool DEBUG      = true; /* print usage of region map functions */
+static const bool DEBUG      = false; /* print usage of region map functions */
 static const bool DEBUG_FIND = false; /* print also usage of region map lookups */
 
 enum {
diff --git a/ports-foc/src/lib/l4lx/l4_re_env.cc b/ports-foc/src/lib/l4lx/l4_re_env.cc
index 9adb44502..b614d23d6 100644
--- a/ports-foc/src/lib/l4lx/l4_re_env.cc
+++ b/ports-foc/src/lib/l4lx/l4_re_env.cc
@@ -25,7 +25,7 @@ namespace Fiasco {
 
 using namespace Fiasco;
 
-static const bool DEBUG = true;
+static const bool DEBUG = false;
 static l4re_env_t __l4re_env;
 
 extern void* l4lx_kinfo;
diff --git a/ports-foc/src/lib/l4lx/rm.cc b/ports-foc/src/lib/l4lx/rm.cc
index 08e47ebaa..00d4338cb 100644
--- a/ports-foc/src/lib/l4lx/rm.cc
+++ b/ports-foc/src/lib/l4lx/rm.cc
@@ -116,7 +116,7 @@ Region* Region_manager::reserve_range(Genode::size_t size, int align,
 			Rm_connection *rmc = new (env()->heap()) Rm_connection(0, size);
 			addr = start ? env()->rm_session()->attach_at(rmc->dataspace(), start)
 			             : env()->rm_session()->attach(rmc->dataspace());
-			PDBG("attach done addr=%p!", addr);
+			//PDBG("attach done addr=%p!", addr);
 			break;
 		} catch(Rm_session::Attach_failed e) {
 			PWRN("attach failed start=%lx", start);