diff --git a/pdks/ef-skywater-s8 b/pdks/ef-skywater-s8
index 5e71531..dd3855f 160000
--- a/pdks/ef-skywater-s8
+++ b/pdks/ef-skywater-s8
@@ -1 +1 @@
-Subproject commit 5e7153159de5cb4c5f2effc4d258951fe312efcd
+Subproject commit dd3855ffdb9023efe04ab0f9f4877e5a5e0f17d8
diff --git a/scripts/libtrim.pl b/scripts/libtrim.pl
index 7505b1b..0c5a647 100755
--- a/scripts/libtrim.pl
+++ b/scripts/libtrim.pl
@@ -113,7 +113,7 @@
               #'clkbuf_1','clkbuf_2','clkbuf_4','clkbuf_8','clkbuf_16',
 
               # Inverters - 5
-              'inv_4','inv_8','inv_16',
+              'inv_8','inv_16',
 
               # Majority - 3
               'maj3_4',