diff --git a/src/libcharon/plugins/tnc_imc/tnc_imc.c b/src/libcharon/plugins/tnc_imc/tnc_imc.c
index cf2f09a3c..52e526604 100644
--- a/src/libcharon/plugins/tnc_imc/tnc_imc.c
+++ b/src/libcharon/plugins/tnc_imc/tnc_imc.c
@@ -161,7 +161,7 @@ METHOD(imc_t, type_supported, bool,
 METHOD(imc_t, destroy, void,
 	private_tnc_imc_t *this)
 {
-	//dlclose(this->handle);
+	dlclose(this->handle);
 	this->mutex->destroy(this->mutex);
 	free(this->supported_types);
 	free(this->name);
diff --git a/src/libcharon/plugins/tnc_imv/tnc_imv.c b/src/libcharon/plugins/tnc_imv/tnc_imv.c
index ea15179db..f9cfc3417 100644
--- a/src/libcharon/plugins/tnc_imv/tnc_imv.c
+++ b/src/libcharon/plugins/tnc_imv/tnc_imv.c
@@ -162,7 +162,7 @@ METHOD(imv_t, type_supported, bool,
 METHOD(imv_t, destroy, void,
 	private_tnc_imv_t *this)
 {
-	//dlclose(this->handle);
+	dlclose(this->handle);
 	this->mutex->destroy(this->mutex);
 	free(this->supported_types);
 	free(this->name);