diff --git a/3rdparty/stasm/stasm/stasm/src/facedet.cpp b/3rdparty/stasm/stasm/stasm/src/facedet.cpp
index ca29b31..4b0aeda 100755
--- a/3rdparty/stasm/stasm/stasm/src/facedet.cpp
+++ b/3rdparty/stasm/stasm/stasm/src/facedet.cpp
@@ -143,6 +143,8 @@ static void DiscardMissizedFaces(
     }
 }
 
+#if TRACE_IMAGES // will be 0 unless debugging (defined in stasm.h)
+
 static void TraceFaces(        // write image showing detected face rects
     const vec_DetPar& detpars, // in
     const Image&      img,     // in
@@ -152,8 +154,6 @@ static void TraceFaces(        // write image showing detected face rects
     (void) img;
     (void) path;
 
-#if TRACE_IMAGES // will be 0 unless debugging (defined in stasm.h)
-
     CImage cimg; cvtColor(img, cimg, CV_GRAY2BGR); // color image
     for (int iface = 0; iface < NSIZE(detpars); iface++)
     {
@@ -173,9 +173,10 @@ static void TraceFaces(        // write image showing detected face rects
     lprintf("%s\n", path);
     if (!cv::imwrite(path, cimg))
         Err("Cannot write %s", path);
-#endif
 }
 
+#endif
+
 void FaceDet::DetectFaces_( // call once per image to find all the faces
     const Image& img,       // in: the image (grayscale)
     const char*  imgpath,   // in: used only for debugging
@@ -184,7 +185,10 @@ void FaceDet::DetectFaces_( // call once per image to find all the faces
     void*        user,      // in: unused (match virt func signature)
     cv::CascadeClassifier cascade)
 {
+    (void) imgpath;
+    (void) user;
     DetectFaces(detpars_, img, minwidth, cascade);
+    DiscardMissizedFaces(detpars_);
 
     if (multiface) // order faces on increasing distance from left margin
     {
diff --git a/3rdparty/stasm/stasm/stasm/src/misc.cpp b/3rdparty/stasm/stasm/stasm/src/misc.cpp
index 3dfe63e..5e2cdb7 100755
--- a/3rdparty/stasm/stasm/stasm/src/misc.cpp
+++ b/3rdparty/stasm/stasm/stasm/src/misc.cpp
@@ -851,6 +851,8 @@ EYAW DegreesAsEyaw( // this determines what model is best for a given yaw
     double yaw,     // in: yaw in degrees, negative if left facing
     int    nmods)   // in
 {
+    (void) yaw;
+    (void) nmods;
 #if MOD_3 || MOD_A || MOD_A_EMU // experimental versions
     CV_Assert(nmods == 3);
     if (yaw < -EYAW_TO_USE_DET45)
diff --git a/3rdparty/stasm/stasm/stasm/src/startshape.cpp b/3rdparty/stasm/stasm/stasm/src/startshape.cpp
index 864ebc3..c1d376d 100755
--- a/3rdparty/stasm/stasm/stasm/src/startshape.cpp
+++ b/3rdparty/stasm/stasm/stasm/src/startshape.cpp
@@ -410,6 +410,8 @@ static void TraceEyesMouth(
     Image&  face_roi,           // out: ROI around face, possibly rotated upright
     DetPar& detpar_roi)         // out: detpar wrt to face_roi
 {
+    (void) face_roi;
+    (void) detpar_roi;
 #if TRACE_IMAGES // will be 0 unless debugging (defined in stasm.h)
 
     CImage cimg; cvtColor(face_roi, cimg, CV_GRAY2BGR); // color image