diff --git a/public/build.c b/public/build.c
index 6c85bbaf..1235fd8c 100644
--- a/public/build.c
+++ b/public/build.c
@@ -20,31 +20,6 @@ GNU General Public License for more details.
 static const char *const mon[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
 static const char mond[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 
-int Q_buildnum_date( const char *date )
-{
-	int b;
-	int m = 0;
-	int d = 0;
-	int y = 0;
-
-	for( m = 0; m < 11; m++ )
-	{
-		if( !Q_strnicmp( &date[0], mon[m], 3 ))
-			break;
-		d += mond[m];
-	}
-
-	d += Q_atoi( &date[4] ) - 1;
-	y = Q_atoi( &date[7] ) - 1900;
-	b = d + (int)((y - 1) * 365.25f );
-
-	if((( y % 4 ) == 0 ) && m > 1 )
-		b += 1;
-	b -= 41728; // Apr 1 2015
-
-	return b;
-}
-
 int Q_buildnum_iso( const char *date )
 {
 	int y, m, d, b, i;
@@ -82,11 +57,7 @@ int Q_buildnum( void )
 
 	if( b ) return b;
 
-	if( COM_CheckString( g_buildcommit_date ))
-		b = Q_buildnum_iso( g_buildcommit_date );
-
-	if( b <= 0 )
-		b = Q_buildnum_date( g_build_date );
+	b = Q_buildnum_iso( g_buildcommit_date );
 
 	return b;
 }
diff --git a/public/build_vcs.c b/public/build_vcs.c
index c81275e6..786d4232 100644
--- a/public/build_vcs.c
+++ b/public/build_vcs.c
@@ -16,4 +16,3 @@ GNU General Public License for more details.
 const char *g_buildcommit = XASH_BUILD_COMMIT;
 const char *g_buildbranch = XASH_BUILD_BRANCH;
 const char *g_buildcommit_date = XASH_BUILD_COMMIT_DATE;
-const char *g_build_date = __DATE__;
diff --git a/public/crtlib.h b/public/crtlib.h
index eb52ba14..18633662 100644
--- a/public/crtlib.h
+++ b/public/crtlib.h
@@ -56,7 +56,6 @@ enum
 // build.c
 //
 int Q_buildnum( void );
-int Q_buildnum_date( const char *date );
 int Q_buildnum_iso( const char *date );
 int Q_buildnum_compat( void );
 const char *Q_PlatformStringByID( const int platform );
diff --git a/public/tests/test_build.c b/public/tests/test_build.c
index ee3b0f40..a0cb4dff 100644
--- a/public/tests/test_build.c
+++ b/public/tests/test_build.c
@@ -177,16 +177,10 @@ int main( void )
 	if( Q_buildnum_compat() != 4529 )
 		return 200;
 
-	if( Q_buildnum_date( "Apr 02 2015" ) != 1 )
-		return 201;
-
-	if( Q_buildnum_date( "Apr 02 2015" ) != Q_buildnum_iso( "2015-04-02 21:19:10 +0300" ))
+	if( Q_buildnum_iso( "2015-04-02 21:19:10 +0300" ) != 1 )
 		return 202;
 
-	if( Q_buildnum_date( "Apr 17 2023" ) != 2938 )
-		return 203;
-
-	if( Q_buildnum_date( "Apr 17 2023" ) != Q_buildnum_iso( "2023-04-17 21:19:10 +0300" ))
+	if( Q_buildnum_iso( "2023-04-17 21:19:10 +0300" ) != 2938 )
 		return 204;
 
 	return EXIT_SUCCESS;