diff --git a/docs/Makefile b/docs/Makefile
index a1e151b35..3a44a656a 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -18,12 +18,16 @@
 RST2HTML = rst2html
 PYTHON3 = python3
 DOXYGEN = doxygen
-SPHINXOPTS ?= -c guide
 SPHINXBUILD ?= sphinx-build
 
 SOURCEDIR = guide
 BUILDDIR = _build
 
+SPHINXOPTS ?= -c guide
+ifneq ($(VERILATOR_ANALYTICS_ID),)
+SPHINXOPTS += -D html_theme_options.analytics_id=$(VERILATOR_ANALYTICS_ID)
+endif
+
 ######################################################################
 
 .SUFFIXES:
diff --git a/docs/guide/conf.py b/docs/guide/conf.py
index 730b3e351..d022012c2 100644
--- a/docs/guide/conf.py
+++ b/docs/guide/conf.py
@@ -115,7 +115,6 @@ html_theme = 'sphinx_rtd_theme'
 html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 html_theme_options = {
-    'analytics_id': 'G-D27B0C9QEB',
     'logo_only': True,
     'style_nav_header_background': "#45acf8",  # Default is #2980B9
     # 'canonical_url':