diff --git a/contrib/Dockerfile.builder b/contrib/Dockerfile.builder
index 9e8291771..58a23985c 100644
--- a/contrib/Dockerfile.builder
+++ b/contrib/Dockerfile.builder
@@ -23,7 +23,6 @@ RUN apt-get -qq update && \
 	libprotobuf-c-dev \
 	libsqlite3-dev \
 	libgmp-dev \
-	libsqlite3-dev \
 	git \
 	python \
 	python3 \
diff --git a/contrib/Dockerfile.builder.i386 b/contrib/Dockerfile.builder.i386
index d1dd4ce63..69b746f66 100644
--- a/contrib/Dockerfile.builder.i386
+++ b/contrib/Dockerfile.builder.i386
@@ -23,7 +23,6 @@ RUN apt-get -qq update && \
 	libprotobuf-c-dev \
 	libsqlite3-dev \
 	libgmp-dev \
-	libsqlite3-dev \
 	git \
 	python \
 	python3 \