diff --git a/debian/changelog b/debian/changelog
index 7d907e8..3a78c20 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ dvdisaster (0.79.5-2) UNRELEASED; urgency=medium
 
   * Team upload.
   * Bump Standards Version to 4.0.0.
+  * Remove unnecessary calls to dpkg-parsechangelog from debian/rules.
 
  -- Carlos Maddela <e7appew@gmail.com>  Sat, 05 Aug 2017 20:03:21 +1000
 
diff --git a/debian/rules b/debian/rules
index df2b292..db7de76 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,8 +6,7 @@ include /usr/share/dpkg/buildflags.mk
 export DEB_CFLAGS_MAINT_APPEND = $(CPPFLAGS) -Wall -Wno-deprecated-declarations -pedantic
 export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 
-export SOURCE_DATE_EPOCH := \
-	$(shell date --date="$$(dpkg-parsechangelog -S Date)" +%s)
+include /usr/share/dpkg/pkg-info.mk
 export FORCE_SOURCE_DATE = 1
 
 MUTABLE_FILES := build.h $(wildcard locale/*.po) \