diff --git a/Dockerfile b/Dockerfile
index 1bcfca88..99b0d343 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,6 @@ RUN apt-get update && apt-get install -y \
     protobuf-compiler \
     python-minimal \
     libglib2.0-dev \
-    libjson-glib-dev \
     libapparmor-dev \
     btrfs-tools \
     libdevmapper1.02.1 \
diff --git a/conmon/Makefile b/conmon/Makefile
index 4be94283..460c1faa 100644
--- a/conmon/Makefile
+++ b/conmon/Makefile
@@ -1,7 +1,7 @@
 src = $(wildcard *.c)
 obj = $(src:.c=.o)
 
-override LIBS += $(shell pkg-config --libs glib-2.0 json-glib-1.0)
+override LIBS += $(shell pkg-config --libs glib-2.0)
 override CFLAGS += -std=c99 -Os -Wall -Wextra $(shell pkg-config --cflags glib-2.0)
 
 conmon: $(obj)