diff --git a/steps/perl-5.24.4/pass1.sh b/steps/perl-5.24.4/pass1.sh
index e1e6cec0..a62453c4 100755
--- a/steps/perl-5.24.4/pass1.sh
+++ b/steps/perl-5.24.4/pass1.sh
@@ -85,11 +85,8 @@ src_configure() {
         -Ddate=':' \
         -Darchname="i386-linux" \
         -Dmyhostname="(none)" \
-        -Dmaildomain="(none)"
-}
-
-src_compile() {
-    PERL_BUILD_DATE="Jan 01 1970" default
+        -Dmaildomain="(none)" \
+        -Dccflags='-DPERL_BUILD_DATE="null"'
 }
 
 src_install() {
diff --git a/steps/perl-5.30.3/pass1.sh b/steps/perl-5.30.3/pass1.sh
index 035e49f9..952760ae 100755
--- a/steps/perl-5.30.3/pass1.sh
+++ b/steps/perl-5.30.3/pass1.sh
@@ -78,11 +78,8 @@ src_configure() {
         -Ddate=':' \
         -Darchname="i386-linux" \
         -Dmyhostname="(none)" \
-        -Dmaildomain="(none)"
-}
-
-src_compile() {
-    PERL_BUILD_DATE="Jan 01 1970" default
+        -Dmaildomain="(none)" \
+        -Dccflags='-DPERL_BUILD_DATE="null"'
 }
 
 src_install() {
diff --git a/steps/perl-5.36.3/pass1.sh b/steps/perl-5.36.3/pass1.sh
index db0caa80..6face782 100755
--- a/steps/perl-5.36.3/pass1.sh
+++ b/steps/perl-5.36.3/pass1.sh
@@ -80,17 +80,18 @@ src_configure() {
         -Ddate=':' \
         -Darchname="i386-linux" \
         -Dmyhostname="(none)" \
-        -Dmaildomain="(none)"
+        -Dmaildomain="(none)" \
+        -Dccflags='-DPERL_BUILD_DATE="null"'
 }
 
 src_compile() {
-    PERL_BUILD_DATE="Jan 01 1970" make "${MAKEJOBS}" pod/perlapi.pod
+    make "${MAKEJOBS}" pod/perlapi.pod
 
     pushd dist/Devel-PPPort
     perl devel/mkapidoc.pl
     popd
 
-    PERL_BUILD_DATE="Jan 01 1970" default
+    default
 }
 
 src_install() {
diff --git a/steps/perl-5.42.0/pass1.sh b/steps/perl-5.42.0/pass1.sh
index f0ed900e..4157d301 100755
--- a/steps/perl-5.42.0/pass1.sh
+++ b/steps/perl-5.42.0/pass1.sh
@@ -83,17 +83,18 @@ src_configure() {
         -Dccflags="-U__DATE__ -U__TIME__" \
         -Darchname="i386-linux" \
         -Dmyhostname="(none)" \
-        -Dmaildomain="(none)"
+        -Dmaildomain="(none)" \
+        -Dccflags='-DPERL_BUILD_DATE="null"'
 }
 
 src_compile() {
-    PERL_BUILD_DATE="Jan 01 1970" make "${MAKEJOBS}" pod/perlapi.pod
+    make "${MAKEJOBS}" pod/perlapi.pod
 
     pushd dist/Devel-PPPort
     perl devel/mkapidoc.pl
     popd
 
-    PERL_BUILD_DATE="Jan 01 1970" default
+    default
 }
 
 src_install() {