diff --git a/docker/1.5-openssl/Dockerfile b/docker/1.5-openssl/Dockerfile
index 996e69e4..c4e0a3f7 100644
--- a/docker/1.5-openssl/Dockerfile
+++ b/docker/1.5-openssl/Dockerfile
@@ -28,6 +28,7 @@ RUN set -x && \
         -DLWS_WITHOUT_CLIENT=ON \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/1.5/Dockerfile b/docker/1.5/Dockerfile
index 612bd2cc..b64fa495 100644
--- a/docker/1.5/Dockerfile
+++ b/docker/1.5/Dockerfile
@@ -30,6 +30,7 @@ RUN set -x && \
         -DLWS_WITHOUT_CLIENT=ON \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/1.6-openssl/Dockerfile b/docker/1.6-openssl/Dockerfile
index ff6b729e..070e3a00 100644
--- a/docker/1.6-openssl/Dockerfile
+++ b/docker/1.6-openssl/Dockerfile
@@ -33,6 +33,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/1.6/Dockerfile b/docker/1.6/Dockerfile
index 46231c8e..58ecda9a 100644
--- a/docker/1.6/Dockerfile
+++ b/docker/1.6/Dockerfile
@@ -33,6 +33,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/2.0-openssl/Dockerfile b/docker/2.0-openssl/Dockerfile
index 841878bd..8d335360 100644
--- a/docker/2.0-openssl/Dockerfile
+++ b/docker/2.0-openssl/Dockerfile
@@ -35,6 +35,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/2.0/Dockerfile b/docker/2.0/Dockerfile
index f08e6dfe..0a08be3e 100644
--- a/docker/2.0/Dockerfile
+++ b/docker/2.0/Dockerfile
@@ -35,6 +35,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/generic/Dockerfile b/docker/generic/Dockerfile
index 81c1a37e..5516b1fb 100644
--- a/docker/generic/Dockerfile
+++ b/docker/generic/Dockerfile
@@ -37,6 +37,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \
diff --git a/docker/local/Dockerfile b/docker/local/Dockerfile
index bed389d0..02b603d9 100644
--- a/docker/local/Dockerfile
+++ b/docker/local/Dockerfile
@@ -31,6 +31,7 @@ RUN set -x && \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
         -DLWS_WITH_EXTERNAL_POLL=ON \
+        -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \
         -DLWS_WITH_ZLIB=OFF && \