diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index c44539b76..b2801e0c9 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -7,8 +7,7 @@ AM_CPPFLAGS = @CPPFLAGS@ \
 	-I$(top_srcdir)/src/libtpmtss \
 	-I$(top_srcdir)/src/libtnccs \
 	-I$(top_srcdir)/src/libtnccs/plugins/tnccs_20 \
-	-I$(top_srcdir)/src/libradius \
-	-DPLUGINDIR=\""$(abs_top_builddir)/src/libstrongswan/plugins\""
+	-I$(top_srcdir)/src/libradius
 
 fuzz_cppflags_def = ${AM_CPPFLAGS} \
 	-DPLUGINS="\"${fd_plugins}\""
diff --git a/fuzz/fuzz_certs.c b/fuzz/fuzz_certs.c
index 74bed9f21..a64701d82 100644
--- a/fuzz/fuzz_certs.c
+++ b/fuzz/fuzz_certs.c
@@ -24,7 +24,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
 
 	dbg_default_set_level(-1);
 	library_init(NULL, "fuzz_certs");
-	plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
 	if (!lib->plugins->load(lib->plugins, PLUGINS))
 	{
 		return 1;
diff --git a/fuzz/fuzz_crls.c b/fuzz/fuzz_crls.c
index 204aa9382..ea735e1b9 100644
--- a/fuzz/fuzz_crls.c
+++ b/fuzz/fuzz_crls.c
@@ -24,7 +24,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
 
 	dbg_default_set_level(-1);
 	library_init(NULL, "fuzz_crls");
-	plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
 	if (!lib->plugins->load(lib->plugins, PLUGINS))
 	{
 		return 1;
diff --git a/fuzz/fuzz_ocsp_req.c b/fuzz/fuzz_ocsp_req.c
index 111ef6365..f6fd276bf 100644
--- a/fuzz/fuzz_ocsp_req.c
+++ b/fuzz/fuzz_ocsp_req.c
@@ -24,7 +24,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
 
 	dbg_default_set_level(-1);
 	library_init(NULL, "fuzz_ocsp_req");
-	plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
 	if (!lib->plugins->load(lib->plugins, PLUGINS))
 	{
 		return 1;
diff --git a/fuzz/fuzz_ocsp_rsp.c b/fuzz/fuzz_ocsp_rsp.c
index 6778c53f9..fe91317cb 100644
--- a/fuzz/fuzz_ocsp_rsp.c
+++ b/fuzz/fuzz_ocsp_rsp.c
@@ -24,7 +24,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
 
 	dbg_default_set_level(-1);
 	library_init(NULL, "fuzz_ocsp_rsp");
-	plugin_loader_add_plugindirs(PLUGINDIR, PLUGINS);
 	if (!lib->plugins->load(lib->plugins, PLUGINS))
 	{
 		return 1;