diff --git a/exec.cpp b/exec.cpp
index e282f72fb..599158865 100644
--- a/exec.cpp
+++ b/exec.cpp
@@ -909,7 +909,6 @@ void exec_job(parser_t &parser, job_t *j)
                 break;
             }
 
-            case INTERNAL_BLOCK:
             case INTERNAL_BLOCK_NODE:
             {
                 if (p->next)
@@ -930,17 +929,7 @@ void exec_job(parser_t &parser, job_t *j)
 
                 if (! exec_error)
                 {
-                    if (p->type == INTERNAL_BLOCK)
-                    {
-                        /* The block contents (as in, fish code) are stored in argv0 (ugh) */
-                        assert(p->argv0() != NULL);
-                        internal_exec_helper(parser, p->argv0(), NODE_OFFSET_INVALID, TOP, process_net_io_chain);
-                    }
-                    else
-                    {
-                        assert(p->type == INTERNAL_BLOCK_NODE);
-                        internal_exec_helper(parser, wcstring(), p->internal_block_node, TOP, process_net_io_chain);
-                    }
+                    internal_exec_helper(parser, wcstring(), p->internal_block_node, TOP, process_net_io_chain);
                 }
                 break;
             }
@@ -1108,7 +1097,6 @@ void exec_job(parser_t &parser, job_t *j)
         switch (p->type)
         {
 
-            case INTERNAL_BLOCK:
             case INTERNAL_BLOCK_NODE:
             case INTERNAL_FUNCTION:
             {
diff --git a/proc.h b/proc.h
index a3a2cd1ce..e89184a8f 100644
--- a/proc.h
+++ b/proc.h
@@ -69,10 +69,6 @@ enum process_type_t
        A shellscript function
     */
     INTERNAL_FUNCTION,
-    /**
-       A block of commands
-    */
-    INTERNAL_BLOCK,
 
     /** A block of commands, represented as a node */
     INTERNAL_BLOCK_NODE,
@@ -100,7 +96,7 @@ enum
   commands to be evaluated by calling eval. Lastly, this process can
   be the result of an exec command. The role of this process_t is
   determined by the type field, which can be one of EXTERNAL,
-  INTERNAL_BUILTIN, INTERNAL_FUNCTION, INTERNAL_BLOCK, INTERNAL_EXEC.
+  INTERNAL_BUILTIN, INTERNAL_FUNCTION, INTERNAL_EXEC.
 
   The process_t contains information on how the process should be
   started, such as command name and arguments, as well as runtime
@@ -119,9 +115,6 @@ enum
   If the process is of type INTERNAL_FUNCTION, argv is the argument
   vector, and argv[0] is the name of the shellscript function.
 
-  If the process is of type INTERNAL_BLOCK, argv has exactly one
-  element, which is the block of commands to execute.
-
 */
 class process_t
 {
@@ -146,8 +139,7 @@ public:
 
     /**
       Type of process. Can be one of \c EXTERNAL, \c
-      INTERNAL_BUILTIN, \c INTERNAL_FUNCTION, \c INTERNAL_BLOCK,
-      INTERNAL_EXEC
+      INTERNAL_BUILTIN, \c INTERNAL_FUNCTION, \c INTERNAL_EXEC
     */
     enum process_type_t type;