diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 61877701b716..8a000091491d 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -1016,11 +1016,6 @@ genericBuild() {
         if [[ "$curPhase" = installCheckPhase && -z "${doInstallCheck:-}" ]]; then continue; fi
         if [[ "$curPhase" = distPhase && -z "${doDist:-}" ]]; then continue; fi
 
-        if [[ -n "${tracePhases:-}" ]]; then
-            echo
-            echo "@ phase-started $out $curPhase"
-        fi
-
         showPhaseHeader "$curPhase"
         dumpVars
 
@@ -1034,11 +1029,6 @@ genericBuild() {
         if [ "$curPhase" = unpackPhase ]; then
             cd "${sourceRoot:-.}"
         fi
-
-        if [ -n "${tracePhases:-}" ]; then
-            echo
-            echo "@ phase-succeeded $out $curPhase"
-        fi
     done
 }