diff --git a/grep.c b/grep.c
index 95af88cb74..4b1e917ac5 100644
--- a/grep.c
+++ b/grep.c
@@ -534,14 +534,6 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt
 			p->pcre2_jit_on = 0;
 			return;
 		}
-
-		p->pcre2_jit_stack = pcre2_jit_stack_create(1, 1024 * 1024, NULL);
-		if (!p->pcre2_jit_stack)
-			die("Couldn't allocate PCRE2 JIT stack");
-		p->pcre2_match_context = pcre2_match_context_create(NULL);
-		if (!p->pcre2_match_context)
-			die("Couldn't allocate PCRE2 match context");
-		pcre2_jit_stack_assign(p->pcre2_match_context, NULL, p->pcre2_jit_stack);
 	}
 }
 
@@ -585,8 +577,6 @@ static void free_pcre2_pattern(struct grep_pat *p)
 	pcre2_compile_context_free(p->pcre2_compile_context);
 	pcre2_code_free(p->pcre2_pattern);
 	pcre2_match_data_free(p->pcre2_match_data);
-	pcre2_jit_stack_free(p->pcre2_jit_stack);
-	pcre2_match_context_free(p->pcre2_match_context);
 }
 #else /* !USE_LIBPCRE2 */
 static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt)
diff --git a/grep.h b/grep.h
index d35a137fcb..4d8e300175 100644
--- a/grep.h
+++ b/grep.h
@@ -29,8 +29,6 @@ typedef int pcre_jit_stack;
 typedef int pcre2_code;
 typedef int pcre2_match_data;
 typedef int pcre2_compile_context;
-typedef int pcre2_match_context;
-typedef int pcre2_jit_stack;
 #endif
 #include "thread-utils.h"
 #include "userdiff.h"
@@ -93,8 +91,6 @@ struct grep_pat {
 	pcre2_code *pcre2_pattern;
 	pcre2_match_data *pcre2_match_data;
 	pcre2_compile_context *pcre2_compile_context;
-	pcre2_match_context *pcre2_match_context;
-	pcre2_jit_stack *pcre2_jit_stack;
 	uint32_t pcre2_jit_on;
 	unsigned fixed:1;
 	unsigned ignore_case:1;