diff --git a/src/demod/DemodulatorThread.cpp b/src/demod/DemodulatorThread.cpp
index 9f5b257..7a2d027 100644
--- a/src/demod/DemodulatorThread.cpp
+++ b/src/demod/DemodulatorThread.cpp
@@ -62,6 +62,8 @@ void DemodulatorThread::threadMain() {
     firStereoLeft = firfilt_rrrf_create(h, h_len);
     firStereoRight = firfilt_rrrf_create(h, h_len);
 
+    delete h;
+
     liquid_float_complex x, y;
 
     firhilbf firStereoR2C = firhilbf_create(5, 60.0f);
@@ -86,6 +88,8 @@ void DemodulatorThread::threadMain() {
 
     firfilt_crcf firSSB = firfilt_crcf_create(ssb_h, h_len);
 
+    delete ssb_h;
+
     // Automatic IQ gain
     iqAutoGain = agc_crcf_create();
     agc_crcf_set_bandwidth(iqAutoGain, 0.9);