diff --git a/src/chart/animator/keyframe.cpp b/src/chart/animator/keyframe.cpp
index 9e8607f4a..5f1cf4ae5 100644
--- a/src/chart/animator/keyframe.cpp
+++ b/src/chart/animator/keyframe.cpp
@@ -102,19 +102,16 @@ void Keyframe::addMissingMarkers(const Gen::PlotPtr &source,
 {
 	for (auto i = source->getMarkers().size();
 	     i < target->getMarkers().size();
-	     ++i) {
-		auto src = target->getMarkers()[i];
-		src.enabled = false;
-		source->markers.push_back(src);
-	}
+	     ++i)
+		source->markers.emplace_back(target->getMarkers()[i])
+		    .enabled = false;
 
 	for (auto i = target->getMarkers().size();
 	     i < source->getMarkers().size();
 	     ++i) {
 		if (withTargetCopying) copyTarget();
-		auto trg = source->getMarkers()[i];
-		trg.enabled = false;
-		target->markers.push_back(trg);
+		target->markers.emplace_back(source->getMarkers()[i])
+		    .enabled = false;
 	}
 }
 
diff --git a/src/chart/animator/planner.cpp b/src/chart/animator/planner.cpp
index 9a8acd68e..178112101 100644
--- a/src/chart/animator/planner.cpp
+++ b/src/chart/animator/planner.cpp
@@ -258,19 +258,21 @@ void Planner::calcNeeded()
 	        && static_cast<bool>(trgOpt->legend.get())
 	        && (*srcOpt->legend.get() != *trgOpt->legend.get()));
 
-	animNeeded[SectionId::show] = anyMarker(
-	    [&](const auto &source, const auto &target)
-	    {
-		    return static_cast<bool>(
-		        !source.enabled && target.enabled);
-	    });
-
-	animNeeded[SectionId::hide] = anyMarker(
-	    [&](const auto &source, const auto &target)
-	    {
-		    return static_cast<bool>(
-		        source.enabled && !target.enabled);
-	    });
+	animNeeded[SectionId::show] =
+	    anyMarker(+[](const Gen::Marker &source,
+	                   const Gen::Marker &target) -> bool
+	        {
+		        return static_cast<bool>(
+		            !source.enabled && target.enabled);
+	        });
+
+	animNeeded[SectionId::hide] =
+	    anyMarker(+[](const Gen::Marker &source,
+	                   const Gen::Marker &target) -> bool
+	        {
+		        return static_cast<bool>(
+		            source.enabled && !target.enabled);
+	        });
 
 	animNeeded[SectionId::color] = needColor();
 
@@ -285,19 +287,19 @@ void Planner::calcNeeded()
 	animNeeded[SectionId::x] = needHorizontal();
 
 	animNeeded[SectionId::connection] =
-	    anyMarker(
-	        [&](const auto &source, const auto &target)
+	    anyMarker(+[](const Gen::Marker &source,
+	                   const Gen::Marker &target) -> bool
 	        {
-		        return static_cast<bool>(
-		            source.prevMainMarkerIdx
+		        return source.prevMainMarkerIdx
 		                != target.prevMainMarkerIdx
-		            || source.mainId != target.mainId);
+		            || source.mainId != target.mainId;
 	        })
 	    || srcOpt->isHorizontal() != trgOpt->isHorizontal();
 }
 
-bool Planner::anyMarker(const std::function<bool(const Gen::Marker &,
-        const Gen::Marker &)> &compare) const
+bool Planner::anyMarker(
+    std::function<bool(const Gen::Marker &, const Gen::Marker &)>
+        &&compare) const
 {
 	for (auto i = 0U; i < source->getMarkers().size()
 	                  && i < target->getMarkers().size();
@@ -350,7 +352,8 @@ bool Planner::needColor() const
 	                   != target->measureAxises.at(
 	                       Gen::ChannelId::lightness)))
 	    || anyMarker(
-	        [&](const auto &source, const auto &target)
+	        [](const Gen::Marker &source,
+	            const Gen::Marker &target) -> bool
 	        {
 		        return (source.enabled || target.enabled)
 		            && source.colorBase != target.colorBase;
@@ -419,8 +422,8 @@ bool Planner::needVertical() const
 	            || (target->markerConnectionOrientation.value_or(
 	                    Gen::Orientation::horizontal)
 	                == Gen::Orientation::vertical)))
-	    || anyMarker(
-	        [&](const auto &source, const auto &target)
+	    || anyMarker(+[](const Gen::Marker &source,
+	                      const Gen::Marker &target) -> bool
 	        {
 		        return (source.enabled || target.enabled)
 		            && (source.position.y != target.position.y
@@ -452,7 +455,8 @@ bool Planner::needHorizontal() const
 	                    Gen::Orientation::vertical)
 	                == Gen::Orientation::horizontal)))
 	    || anyMarker(
-	        [&](const auto &source, const auto &target)
+	        [](const Gen::Marker &source,
+	            const Gen::Marker &target) -> bool
 	        {
 		        return (source.enabled || target.enabled)
 		            && (source.position.x != target.position.x
diff --git a/src/chart/animator/planner.h b/src/chart/animator/planner.h
index e55fb23e9..db1a57281 100644
--- a/src/chart/animator/planner.h
+++ b/src/chart/animator/planner.h
@@ -44,8 +44,9 @@ class Planner : public ::Anim::Group
 	    ::Anim::Duration delay = ::Anim::Duration(0),
 	    const std::optional<::Anim::Easing> &easing = std::nullopt);
 
-	bool anyMarker(const std::function<bool(const Gen::Marker &,
-	        const Gen::Marker &)> &compare) const;
+	bool anyMarker(
+	    std::function<bool(const Gen::Marker &, const Gen::Marker &)>
+	        &&compare) const;
 
 	[[nodiscard]] bool positionMorphNeeded() const;
 	[[nodiscard]] bool verticalBeforeHorizontal() const;
diff --git a/src/dataframe/old/datatable.h b/src/dataframe/old/datatable.h
index 14e38e215..09f070917 100644
--- a/src/dataframe/old/datatable.h
+++ b/src/dataframe/old/datatable.h
@@ -58,7 +58,7 @@ class DataCube
 	{
 		std::string_view name;
 		std::span<const std::string> categories;
-		std::size_t size;
+		std::size_t size{};
 	};
 	std::vector<DimensionInfo> dim_reindex;