diff --git a/.ci_support/run_docker_linux.sh b/.ci_support/run_docker_linux.sh
index 19c8cb4..42c6c82 100755
--- a/.ci_support/run_docker_linux.sh
+++ b/.ci_support/run_docker_linux.sh
@@ -16,15 +16,14 @@ ctest --output-on-failure --timeout 100 ${MAKEFLAGS}
 
 # coverage
 gcov `find lib/src/ -name "*.gcno"`
-lcov --capture --directory ./lib/src/ -o coverage.info
-lcov --remove coverage.info "/usr/include/*" -o coverage.info
-genhtml coverage.info --output-directory ~/.local/share/doc/*/html/coverage
-cp -v coverage.info ~/.local/share/doc/*/html/coverage
+lcov --capture --directory . --output-file coverage.info --include "*.cxx"
+genhtml --output-directory coverage coverage.info
+cp -v coverage.info coverage
 
 uid=$1
 gid=$2
 if test -n "${uid}" -a -n "${gid}"
 then
-  sudo cp -r ~/.local/share/doc/*/html /io
+  sudo cp -r ~/.local/share/doc/*/html coverage /io
   sudo chown -R ${uid}:${gid} /io/html
 fi
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f5fdf36..b8cce30 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,8 +30,7 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: openturns/otsvm
-          file: ./html/coverage/coverage.info
-          verbose: true
+          file: ./coverage/coverage.info
 
   mingw:
     runs-on: ubuntu-latest
diff --git a/codecov.yml b/codecov.yml
deleted file mode 100644
index f0fc9d6..0000000
--- a/codecov.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-coverage:
-  status:
-    patch: false
-    project:
-      default:
-        threshold: 0.5%
-comment:
-  behavior: default
diff --git a/lib/src/SVMKernelRegressionEvaluation.cxx b/lib/src/SVMKernelRegressionEvaluation.cxx
index 6f0ba22..3100a7d 100644
--- a/lib/src/SVMKernelRegressionEvaluation.cxx
+++ b/lib/src/SVMKernelRegressionEvaluation.cxx
@@ -95,7 +95,6 @@ Point SVMKernelRegressionEvaluation::operator() (const Point & inP) const
     if (lagrangeMultiplier_[i] != 0.0)
       output += lagrangeMultiplier_[i] * kernel_(dataIn_[i], inP);
   }
-  const Point result(1, output);
   return Point(1, output);
 }
 
diff --git a/lib/src/SVMRegression.cxx b/lib/src/SVMRegression.cxx
index ce6b54f..16ef01d 100644
--- a/lib/src/SVMRegression.cxx
+++ b/lib/src/SVMRegression.cxx
@@ -82,16 +82,10 @@ void SVMRegression::run()
   Scalar bestTradeoffFactor = tradeoffFactor_[0];
   Scalar bestKernelParameter = kernelParameter_[0];
 
-  Sample isoProbSample( size, inputDimension );
   Function outputTransformation;
   Function outputInverseTransformation;
 
   Collection<Function> marginals;
-  Collection<Function> outputTransformationMarginals;
-
-  Point relativeError( outputDimension );
-  Point residu( outputDimension );
-  Point variance( outputDimension );
 
   driver_.normalize(outputSample_, outputTransformation, outputInverseTransformation);
   Sample normalizedOutputSample(outputTransformation(outputSample_));