diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 34a90dfe85..d6d3f7b677 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1964,7 +1964,6 @@ virCommandAddArgFormat;
 virCommandAddArgList;
 virCommandAddArgPair;
 virCommandAddArgSet;
-virCommandAddEnvBuffer;
 virCommandAddEnvFormat;
 virCommandAddEnvPair;
 virCommandAddEnvPass;
diff --git a/src/util/vircommand.c b/src/util/vircommand.c
index b3fd4d8079..404d7d2ed6 100644
--- a/src/util/vircommand.c
+++ b/src/util/vircommand.c
@@ -1430,32 +1430,6 @@ virCommandAddEnvString(virCommandPtr cmd, const char *str)
 }
 
 
-/**
- * virCommandAddEnvBuffer:
- * @cmd: the command to modify
- * @buf: buffer that contains name=value string, which will be reset on return
- *
- * Convert a buffer containing preformatted name=value into an
- * environment variable of the child.
- * Correctly transfers memory errors or contents from buf to cmd.
- */
-void
-virCommandAddEnvBuffer(virCommandPtr cmd, virBufferPtr buf)
-{
-    if (!cmd || cmd->has_error) {
-        virBufferFreeAndReset(buf);
-        return;
-    }
-
-    if (!virBufferUse(buf)) {
-        cmd->has_error = EINVAL;
-        return;
-    }
-
-    virCommandAddEnv(cmd, virBufferContentAndReset(buf));
-}
-
-
 /**
  * virCommandAddEnvPass:
  * @cmd: the command to modify
diff --git a/src/util/vircommand.h b/src/util/vircommand.h
index 0ea6c8229f..9fb625ec4b 100644
--- a/src/util/vircommand.h
+++ b/src/util/vircommand.h
@@ -109,9 +109,6 @@ void virCommandAddEnvPair(virCommandPtr cmd,
 void virCommandAddEnvString(virCommandPtr cmd,
                             const char *str) ATTRIBUTE_NONNULL(2);
 
-void virCommandAddEnvBuffer(virCommandPtr cmd,
-                            virBufferPtr buf);
-
 void virCommandAddEnvPass(virCommandPtr cmd,
                           const char *name) ATTRIBUTE_NONNULL(2);