diff --git a/src/cmd/compile/internal/base/debug.go b/src/cmd/compile/internal/base/debug.go
index 682c0dd518118..18422256ab61c 100644
--- a/src/cmd/compile/internal/base/debug.go
+++ b/src/cmd/compile/internal/base/debug.go
@@ -46,7 +46,6 @@ type DebugFlags struct {
 	WB                         int    `help:"print information about write barriers"`
 	ABIWrap                    int    `help:"print information about ABI wrapper generation"`
 	MayMoreStack               string `help:"call named function before all stack growth checks"`
-	InlineHotFuncThreshold     string `help:"threshold percentage for determining functions as hot candidates for inlining"`
 	InlineHotCallSiteThreshold string `help:"threshold percentage for determining call sites as hot candidates for inlining"`
 	InlineHotBudget            int    `help:"inline budget for hot functions"`
 	PGOInline                  int    `help:"debug profile-guided inlining"`
diff --git a/src/cmd/compile/internal/inline/inl.go b/src/cmd/compile/internal/inline/inl.go
index 335bb23ecb91f..98bfb4e382ca1 100644
--- a/src/cmd/compile/internal/inline/inl.go
+++ b/src/cmd/compile/internal/inline/inl.go
@@ -56,9 +56,9 @@ const (
 )
 
 var (
-	// List of all hot nodes.
+	// List of all hot callee nodes.
 	// TODO(prattmic): Make this non-global.
-	candHotNodeMap = make(map[*pgo.IRNode]struct{})
+	candHotCalleeMap = make(map[*pgo.IRNode]struct{})
 
 	// List of all hot call sites. CallSiteInfo.Callee is always nil.
 	// TODO(prattmic): Make this non-global.
@@ -68,9 +68,6 @@ var (
 	// TODO(prattmic): Make this non-global.
 	inlinedCallSites = make(map[pgo.CallSiteInfo]struct{})
 
-	// Threshold in percentage for hot function inlining.
-	inlineHotFuncThresholdPercent = float64(2)
-
 	// Threshold in percentage for hot callsite inlining.
 	inlineHotCallSiteThresholdPercent = float64(0.1)
 
@@ -80,13 +77,6 @@ var (
 
 // pgoInlinePrologue records the hot callsites from ir-graph.
 func pgoInlinePrologue(p *pgo.Profile) {
-	if s, err := strconv.ParseFloat(base.Debug.InlineHotFuncThreshold, 64); err == nil {
-		inlineHotFuncThresholdPercent = s
-		if base.Debug.PGOInline > 0 {
-			fmt.Printf("hot-node-thres=%v\n", inlineHotFuncThresholdPercent)
-		}
-	}
-
 	if s, err := strconv.ParseFloat(base.Debug.InlineHotCallSiteThreshold, 64); err == nil {
 		inlineHotCallSiteThresholdPercent = s
 		if base.Debug.PGOInline > 0 {
@@ -102,10 +92,6 @@ func pgoInlinePrologue(p *pgo.Profile) {
 		for _, f := range list {
 			name := ir.PkgFuncName(f)
 			if n, ok := p.WeightedCG.IRNodes[name]; ok {
-				nodeweight := pgo.WeightInPercentage(n.Flat, p.TotalNodeWeight)
-				if nodeweight > inlineHotFuncThresholdPercent {
-					candHotNodeMap[n] = struct{}{}
-				}
 				for _, e := range p.WeightedCG.OutEdges[n] {
 					if e.Weight != 0 {
 						edgeweightpercent := pgo.WeightInPercentage(e.Weight, p.TotalEdgeWeight)
@@ -113,6 +99,7 @@ func pgoInlinePrologue(p *pgo.Profile) {
 							csi := pgo.CallSiteInfo{Line: e.CallSite, Caller: n.AST}
 							if _, ok := candHotEdgeMap[csi]; !ok {
 								candHotEdgeMap[csi] = struct{}{}
+								candHotCalleeMap[e.Dst] = struct{}{}
 							}
 						}
 					}
@@ -122,7 +109,7 @@ func pgoInlinePrologue(p *pgo.Profile) {
 	})
 	if base.Debug.PGOInline > 0 {
 		fmt.Printf("hot-cg before inline in dot format:")
-		p.PrintWeightedCallGraphDOT(inlineHotFuncThresholdPercent, inlineHotCallSiteThresholdPercent)
+		p.PrintWeightedCallGraphDOT(inlineHotCallSiteThresholdPercent)
 	}
 }
 
@@ -139,7 +126,7 @@ func pgoInlineEpilogue(p *pgo.Profile) {
 		})
 		// Print the call-graph after inlining. This is a debugging feature.
 		fmt.Printf("hot-cg after inline in dot:")
-		p.PrintWeightedCallGraphDOT(inlineHotFuncThresholdPercent, inlineHotCallSiteThresholdPercent)
+		p.PrintWeightedCallGraphDOT(inlineHotCallSiteThresholdPercent)
 	}
 }
 
@@ -270,7 +257,7 @@ func CanInline(fn *ir.Func, profile *pgo.Profile) {
 	budget := int32(inlineMaxBudget)
 	if profile != nil {
 		if n, ok := profile.WeightedCG.IRNodes[ir.PkgFuncName(fn)]; ok {
-			if _, ok := candHotNodeMap[n]; ok {
+			if _, ok := candHotCalleeMap[n]; ok {
 				budget = int32(inlineHotMaxBudget)
 				if base.Debug.PGOInline > 0 {
 					fmt.Printf("hot-node enabled increased budget=%v for func=%v\n", budget, ir.PkgFuncName(fn))
diff --git a/src/cmd/compile/internal/pgo/irgraph.go b/src/cmd/compile/internal/pgo/irgraph.go
index 56cfebf85e3ff..f0932b51ea275 100644
--- a/src/cmd/compile/internal/pgo/irgraph.go
+++ b/src/cmd/compile/internal/pgo/irgraph.go
@@ -150,7 +150,7 @@ func New(profileFile string) *Profile {
 	p := &Profile{
 		NodeMap:      make(map[NodeMapKey]*Weights),
 		ProfileGraph: g,
-		WeightedCG:   &IRGraph{
+		WeightedCG: &IRGraph{
 			IRNodes: make(map[string]*IRNode),
 		},
 	}
@@ -347,7 +347,7 @@ func WeightInPercentage(value int64, total int64) float64 {
 }
 
 // PrintWeightedCallGraphDOT prints IRGraph in DOT format.
-func (p *Profile) PrintWeightedCallGraphDOT(nodeThreshold float64, edgeThreshold float64) {
+func (p *Profile) PrintWeightedCallGraphDOT(edgeThreshold float64) {
 	fmt.Printf("\ndigraph G {\n")
 	fmt.Printf("forcelabels=true;\n")
 
@@ -383,9 +383,6 @@ func (p *Profile) PrintWeightedCallGraphDOT(nodeThreshold float64, edgeThreshold
 		if n, ok := p.WeightedCG.IRNodes[name]; ok {
 			nodeweight := WeightInPercentage(n.Flat, p.TotalNodeWeight)
 			color := "black"
-			if nodeweight > nodeThreshold {
-				color = "red"
-			}
 			if ast.Inl != nil {
 				fmt.Printf("\"%v\" [color=%v,label=\"%v,freq=%.2f,inl_cost=%d\"];\n", ir.PkgFuncName(ast), color, ir.PkgFuncName(ast), nodeweight, ast.Inl.Cost)
 			} else {