diff --git a/src/common/ConcurrentQueue.h b/src/common/ConcurrentQueue.h
index 8719abe8..4c58a64c 100644
--- a/src/common/ConcurrentQueue.h
+++ b/src/common/ConcurrentQueue.h
@@ -79,7 +79,6 @@ class ConcurrentQueue
 					(ownerName.empty() ? "<owner not set>" : ownerName.c_str()),
 					maxEntries-pushSemaphore.getCount());
 			if (!popSemaphore.wait()) {
-				DPRINTF_INFO("(%s) failed to pop element, program is being shut down?", ownerName.c_str());
 				return false;
 			}
 
@@ -102,11 +101,9 @@ class ConcurrentQueue
 		// of the timeout has been reached, res will be set to NULL and false will be returned
 		inline bool pop(long timeout_ms, T *res)
 		{
-			DPRINTF_DEBUG( "(%s) trying to pop element (%d elements in queue)", ownerName.c_str(), count);
 			// try to get an item from the queue
 			if(!popSemaphore.wait(timeout_ms)) {
 				// timeout occured
-				DPRINTF_DEBUG( "(%s) timeout", ownerName.c_str());
 				return false;
 			}
 
@@ -129,8 +126,6 @@ class ConcurrentQueue
 		// use this instead of the above, makes things easier!
 		inline bool popAbs(const struct timespec& timeout, T *res)
 		{
-			DPRINTF_DEBUG( "(%s) trying to pop element (%d elements in queue)", ownerName.c_str(), count);
-		
 			if (popSemaphore.waitAbs(timeout)) {
 				// popSemaphore.wait() succeeded, now pop the frontmost element
 				lock.lock();
@@ -148,7 +143,6 @@ class ConcurrentQueue
 			}
 			else {
 				// timeout occured
-				DPRINTF_DEBUG( "(%s) timeout or program shutdown", ownerName.c_str());
 				*res = 0;
 		
 				return false;
diff --git a/src/common/TimeoutSemaphore.h b/src/common/TimeoutSemaphore.h
index 6e530870..e0ebd8f8 100644
--- a/src/common/TimeoutSemaphore.h
+++ b/src/common/TimeoutSemaphore.h
@@ -106,8 +106,6 @@ class TimeoutSemaphore
 						return false;
 						break;
 					default:
-						// semaphore could not be aquired because of several reasons, but none are fatal
-						DPRINTF_DEBUG( "timedwait (<0) returned with %d (%s)", errno, strerror(errno));
 						return false;
 				}
 			}
@@ -120,7 +118,6 @@ class TimeoutSemaphore
 				retval = sem_timedwait(sem, &timeout);
 #endif
 				if (retval != 0 && errno != ETIMEDOUT) {
-					DPRINTF_DEBUG( "timedwait (>=0) returned with %d: %s", errno, strerror(errno));
 					switch (errno) {
 						case EINVAL:
 						/*
@@ -141,8 +138,7 @@ class TimeoutSemaphore
 						return false;
 						break;
 						default:
-						// semaphore could not be aquired because of several reasons, but none are fatal
-						DPRINTF_DEBUG( "timedwait (>=0) returned with %d", errno);
+						break;
 					}
 				}
 				if (errno == ETIMEDOUT) {
@@ -201,9 +197,6 @@ class TimeoutSemaphore
 					return false;
 					break;
 				default:
-					// semaphore not acquired for non-fatal reasons
-					DPRINTF_DEBUG( "timedwait returned with %s",
-							strerror(errno));
 					return false;
 			}
 		}
diff --git a/src/core/ConnectionQueue.h b/src/core/ConnectionQueue.h
index 44a8cfd0..7797feb3 100644
--- a/src/core/ConnectionQueue.h
+++ b/src/core/ConnectionQueue.h
@@ -239,12 +239,10 @@ class ConnectionQueue : public Adapter<T>, public Timer
 			struct timespec nexttimeout;
 			if (!processTimeouts(nexttimeout)) {
 				if (!queue.pop(&element)) {
-					DPRINTF_INFO("queue.pop failed - timeout?");
 					continue;
 				}
 			} else {
 				if (!queue.popAbs(nexttimeout, &element)) {
-					DPRINTF_INFO("queue.pop failed - timeout?");
 					continue;
 				}
 			}
diff --git a/src/modules/ipfix/aggregator/BaseAggregator.cpp b/src/modules/ipfix/aggregator/BaseAggregator.cpp
index d2229342..59550477 100644
--- a/src/modules/ipfix/aggregator/BaseAggregator.cpp
+++ b/src/modules/ipfix/aggregator/BaseAggregator.cpp
@@ -171,15 +171,12 @@ void BaseAggregator::exporterThread()
 		}
 
 		gettimeofday(&curtime, 0);
-		DPRINTF_DEBUG("Aggregator: starting Export");
 		for (size_t i = 0; i < rules->count; i++) {
 			rules->rule[i]->hashtable->expireFlows();
 		}
 		struct timeval endtime;
 		gettimeofday(&endtime, 0);
 		timeval_subtract(&difftime, &endtime, &curtime);
-
-		DPRINTF_DEBUG("Aggregator: export took %.03f secs", (float)difftime.tv_usec/1000000+difftime.tv_sec);
 	}
 
 	if (getShutdownProperly()) {