diff --git a/dev-db/postgresql/postgresql-9.6.10.recipe b/dev-db/postgresql/postgresql-9.6.10.recipe
index d72be2b3b..05b21b71c 100644
--- a/dev-db/postgresql/postgresql-9.6.10.recipe
+++ b/dev-db/postgresql/postgresql-9.6.10.recipe
@@ -127,6 +127,7 @@ INSTALL()
 {
 	make install
 
+	# remove leftover static libraries
 	rm $libDir/{libecpg,libecpg_compat,libpgtypes,libpq}.a
 
 	prepareInstalledDevelLibs \
diff --git a/dev-db/postgresql/postgresql11-11.1.recipe b/dev-db/postgresql/postgresql11-11.1.recipe
index b3785d2b9..12ccda1f8 100644
--- a/dev-db/postgresql/postgresql11-11.1.recipe
+++ b/dev-db/postgresql/postgresql11-11.1.recipe
@@ -16,7 +16,7 @@ Ruby, Tcl, ODBC, among others, and exceptional documentation."
 HOMEPAGE="https://www.postgresql.org/"
 COPYRIGHT="1996-2018 PostgreSQL Global Development Group"
 LICENSE="PostgreSQL"
-REVISION="4"
+REVISION="5"
 SOURCE_URI="http://ftp.postgresql.org/pub/source/v$portVersion/postgresql-$portVersion.tar.bz2"
 CHECKSUM_SHA256="90815e812874831e9a4bf6e1136bf73bc2c5a0464ef142e2dfea40cda206db08"
 SOURCE_DIR="postgresql-$portVersion"
diff --git a/dev-db/postgresql/postgresql12-12.0.recipe b/dev-db/postgresql/postgresql12-12.0.recipe
index 773c7a2e2..c61fd526f 100644
--- a/dev-db/postgresql/postgresql12-12.0.recipe
+++ b/dev-db/postgresql/postgresql12-12.0.recipe
@@ -20,7 +20,7 @@ you want to build, and let PostgreSQL safely and robustly store your data."
 HOMEPAGE="https://www.postgresql.org/"
 COPYRIGHT="1996-2019 PostgreSQL Global Development Group"
 LICENSE="PostgreSQL"
-REVISION="3"
+REVISION="4"
 SOURCE_URI="http://ftp.postgresql.org/pub/source/v$portVersion/postgresql-$portVersion.tar.bz2"
 CHECKSUM_SHA256="cda2397215f758b793f741c86be05468257b0e6bcb1a6113882ab5d0df0855c6"
 SOURCE_DIR="postgresql-$portVersion"