diff --git a/9.2/alpine/Dockerfile b/9.2/alpine/Dockerfile
index dc54d353cf..1b06bdfbf9 100644
--- a/9.2/alpine/Dockerfile
+++ b/9.2/alpine/Dockerfile
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")
diff --git a/9.3/alpine/Dockerfile b/9.3/alpine/Dockerfile
index 6e9886d9d3..900d3ebd8c 100644
--- a/9.3/alpine/Dockerfile
+++ b/9.3/alpine/Dockerfile
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")
diff --git a/9.4/alpine/Dockerfile b/9.4/alpine/Dockerfile
index 7801d68746..f763a6aca2 100644
--- a/9.4/alpine/Dockerfile
+++ b/9.4/alpine/Dockerfile
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")
diff --git a/9.5/alpine/Dockerfile b/9.5/alpine/Dockerfile
index 6e8b1497e1..7e25990c96 100644
--- a/9.5/alpine/Dockerfile
+++ b/9.5/alpine/Dockerfile
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")
diff --git a/9.6/alpine/Dockerfile b/9.6/alpine/Dockerfile
index b918a72403..d41e9b186a 100644
--- a/9.6/alpine/Dockerfile
+++ b/9.6/alpine/Dockerfile
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index b012b7b560..505fee7006 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -106,6 +106,8 @@ RUN set -ex \
 	&& rm -rf \
 		/usr/src/postgresql \
 		/usr/local/include/* \
+		/usr/local/share/doc \
+		/usr/local/share/man \
 	&& find /usr/local -name '*.a' -delete
 
 # make the sample config easier to munge (and "correct by default")