diff --git a/modules/videostab/include/opencv2/videostab/deblurring.hpp b/modules/videostab/include/opencv2/videostab/deblurring.hpp
index 6e12243a17..2e881278af 100644
--- a/modules/videostab/include/opencv2/videostab/deblurring.hpp
+++ b/modules/videostab/include/opencv2/videostab/deblurring.hpp
@@ -84,7 +84,7 @@ protected:
 class CV_EXPORTS NullDeblurer : public IDeblurer
 {
 public:
-    virtual void deblur(int idx, Mat &frame) {}
+    virtual void deblur(int /*idx*/, Mat &/*frame*/) {}
 };
 
 class CV_EXPORTS WeightingDeblurer : public IDeblurer
diff --git a/modules/videostab/include/opencv2/videostab/frame_source.hpp b/modules/videostab/include/opencv2/videostab/frame_source.hpp
index 24facb5cf3..c22c0a4cce 100644
--- a/modules/videostab/include/opencv2/videostab/frame_source.hpp
+++ b/modules/videostab/include/opencv2/videostab/frame_source.hpp
@@ -76,7 +76,7 @@ public:
     virtual void reset();
     virtual Mat nextFrame();
 
-    int frameCount() { return reader_.get(CV_CAP_PROP_FRAME_COUNT); }
+    int frameCount() { return static_cast<int>(reader_.get(CV_CAP_PROP_FRAME_COUNT)); }
     double fps() { return reader_.get(CV_CAP_PROP_FPS); }
 
 private:
diff --git a/modules/videostab/include/opencv2/videostab/inpainting.hpp b/modules/videostab/include/opencv2/videostab/inpainting.hpp
index 1d83978ab9..b45eeb020e 100644
--- a/modules/videostab/include/opencv2/videostab/inpainting.hpp
+++ b/modules/videostab/include/opencv2/videostab/inpainting.hpp
@@ -91,7 +91,7 @@ protected:
 class CV_EXPORTS NullInpainter : public IInpainter
 {
 public:
-    virtual void inpaint(int idx, Mat &frame, Mat &mask) {}
+    virtual void inpaint(int /*idx*/, Mat &/*frame*/, Mat &/*mask*/) {}
 };
 
 class CV_EXPORTS InpaintingPipeline : public IInpainter
diff --git a/modules/videostab/include/opencv2/videostab/log.hpp b/modules/videostab/include/opencv2/videostab/log.hpp
index 8f22b88905..474f37b561 100644
--- a/modules/videostab/include/opencv2/videostab/log.hpp
+++ b/modules/videostab/include/opencv2/videostab/log.hpp
@@ -60,7 +60,7 @@ public:
 class CV_EXPORTS NullLog : public ILog
 {
 public:
-    virtual void print(const char *format, ...) {}
+    virtual void print(const char */*format*/, ...) {}
 };
 
 class CV_EXPORTS LogToStdout : public ILog
diff --git a/modules/videostab/include/opencv2/videostab/stabilizer.hpp b/modules/videostab/include/opencv2/videostab/stabilizer.hpp
index c04ff7478f..05a0cdf323 100644
--- a/modules/videostab/include/opencv2/videostab/stabilizer.hpp
+++ b/modules/videostab/include/opencv2/videostab/stabilizer.hpp
@@ -82,7 +82,7 @@ public:
     bool mustEstimateTrimRatio() const { return mustEstimateTrimRatio_; }
 
     void setTrimRatio(float val) { trimRatio_ = val; reset(); }
-    int trimRatio() const { return trimRatio_; }
+    float trimRatio() const { return trimRatio_; }
 
     void setInclusionConstraint(bool val) { inclusionConstraint_ = val; }
     bool inclusionConstraint() const { return inclusionConstraint_; }